2018 Vol. 8, No. 5

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Research Status of Lotus Root Digging Technology and Prospect of Lotus Root Harvesting Technology in Yellow Kiver Delta Region
LIU Mochen, MAO Dongwei, WANG Zhenhu, SONG Zhanhua, WANG Guangrui, LI Fade
2018, 8(5): 1-5.
Abstract(571) [PDF 4155KB](119)
Abstract:
Traditional collecting methods of lotus root are mainly artificial shovel digging and water punching，with bad working environment，high labor intensity，low production efficiency and high cost of labor，which seriously restricts development of lotus root industry.Research and development of labor-saving and efficient lotus harvesting machinery is fundamental way to promote industrial scale development.On basis of summarizing research status of lotus harvesting technology at home and abroad，structural principles，functional characteristics and shortcomings of existing lotus digging machinery were expounded.At the same time，according to planting environment，growth cycle and distribution characteristics of lotus root in the Yellow River Delta，an intelligent，labor-saving and efficient self-walking lotus root digging machine suitable for lotus root planting pattern in the Yellow River Delta region was put forward.This machine is development direction of lotus root collecting machinery in this area.
Thoughts on Development of Main Links of Mechanization in Facility Agriculture Park in Tianjin City
ZHAO Changna, CHEN Hongbo
2018, 8(5): 6-11.
Abstract(470) [PDF 957KB](104)
Abstract:
Characteristics，existing problems and influencing factors of facility agriculture park and mechanization technology were elaborated.The aim of this resrarch was to establish an effective standard system for the development of facility agriculture park，and promote development of facility agriculture park.It would play a guiding role in strengthening upgrading of mechanized technology and equipment in facility agricultare park of Tianjin and upgrading comprehensive production capacity of facility agricultural parks in Tianjin.
Development and Reform of China′s Agricultural Machinery Industry in the Past 40 Years of Reform and Opening-up
ZHAO Huijun
2018, 8(5): 12-14.
Abstract(327) [PDF 146KB](150)
Abstract:
In the past 40 years of reform and opening-up，China′s agricultural machinery industry has gradually developed from planned economy mode to operation mechanism of‘plan + market’and market economy.Especially since 2014，agricultural machinery industry has made remarkable achievements.Development and change of agricultural machinery industry and agricultural mechanization were introduced.
Full Mechanization of Dwarf Rootstock Intensive Orchard A Case Study of Pear Orchard in Yufa Town，Daxing District，Beijing City
WANG Shansong
2018, 8(5): 15-17.
Abstract(421) [PDF 465KB](107)
Abstract:
Taking pear orchard in Yufa Town，Daxing district，Beijing city as an example，matched machines suitable for whole process of dwarf rootstock intensive cultivation were introduced，that provided necessary technical support for orchard size planting and provided reference for agricultural machinery promotion department in promotion of machines for dwarf rootstock intensive cultivation.
Pipeline Connection and Sealing Methods for Hydraulic System of Large Tractor
ZHANG Zhanfei, CHANG Xiangyang, LUO Jingjing, YANG Wenjuan
2018, 8(5): 18-22.
Abstract(503) [PDF 623KB](82)
Abstract:
In actual work of horsepower tractors，most of the work such as hoisting system work devices，hydraulic output，steering and lubrication was controlled and executed by hydraulic system.Hydraulic pipe plays an important role in the hydraulic system as hydraulic energy transmission link.In this regard，sealing performance of hydraulic pipe connector determines reliability of hydraulic system.Through research and analysis of pipeline sealing method of the large tractor hydraulic system，effective hydraulic pipeline sealing measures were summarized to provide support for design and improvement of large tractor hydraulic system，and then to improve reliability of large tractors.
Present Situation and Structural Characteristics of Deep Loosening Machine in Shanxi Province
CUI Kejia
2018, 8(5): 23-24.
Abstract(520) [PDF 294KB](122)
Abstract:
Structure，advantages and application scope of commonly used deep loosening operation equipment in market of Shanxi province were expounded.Structure and fuel consumption of single loosening operation machine and joint machine with deep loosening and soil preparation were analyzed.
Yield Monitor System of Impulse Type Grain Flow Combine Harvester Based on CAN Bus
WANG Jizhong, BAI Yucen, WEI Liguo, LIU Chang, LI Yang, ZHAO Bo
2018, 8(5): 25-30.
Abstract(427) [PDF 1487KB](102)
Abstract:
In response to needs of development of fine agricultural production management and intelligent agricultural equipment，a grain flow sensor device was developed based on impulse theorem and piezoelectric sensor detection technology.A yield monitor system based on CAN bus for impulse grain flow combine harvester was developed by using CAN bus technology.Through test and data analysis，impulse grain flow sensor static detection accuracy was stable，accurate，with fast dynamic measurement and accurate.Designed grain flow yield monitor system had advantages of real-time performance，small measurement error and stable transmission combined with characteristics of CAN bus，such as stable operation and strong real-time performance，grain measurement error within 8%，grain flow monitoring was timely and accurate，grain yield prescription chart drawn from grain flow was credible and practical.
Agricultural Information Collection System Based on Mobile GIS
ZHAO Xing
2018, 8(5): 31-34.
Abstract(480) [PDF 910KB](116)
Abstract:
With the continuous progress and development of intelligent terminals，embedded technologies and wireless communication technologies，mobile GIS has broken through bottleneck of hardware and software.Mobile GIS has realized expansion and application in many fields.Due to characteristics of real-time updating，collaboration synchronization，and data sharing，mobile GIS has become mainstream technology for data acquisition applications.Based on this，taking mobile GIS composition and system structure as basic research points，based on deep analysis of functional requirements of agricultural information collection system，the PDA was used as underlying hardware platform，SQL Server2005 as the database support，and Visual C++ 4.0 was used for programming and development.The system architecture，functional modules and development environment were given.The system can effectively meet real-time positioning，acquisition and transmission requirements of agricultural information.
Design of Intelligent Agriculture Management Software
CAI Chuang
2018, 8(5): 35-36.
Abstract(468) [PDF 293KB](95)
Abstract:
As a large agricultural country，China relies heavily on agricultural development.With continuous advancement of modern science and technology and continuous development of the times，development of traditional agricultural models has great limitations，and intelligent management of agriculture is very urgent.Design of intelligent agricultural management software was analyzed to provide some simple references for intelligent management of agricultural production.
Design and Application of High Precision Positioning System for Hybrid Agricultural Plant Protection UAV Based on GPS and GPRS
WU Dong
2018, 8(5): 37-40.
Abstract(391) [PDF 676KB](94)
Abstract:
Development of high-precision positioning technology is getting faster and faster in information age，and its application scope is more and more widely，has been widely applied in social each profession and domain，gradually deep into people′ s daily life，such as navigation and positioning of vehicle and ship，and technology development is also more mature.As mobile communication network continue to evolve，GPS and GPRS could also provide location services.Based on this，high precision positioning system of hybrid agricultural plant protection UAV based on GPS and GPRS were designed and studied started with agriculture.
Design and Optimization of Rural Logistics Management System
CHEN Yan
2018, 8(5): 41-42.
Abstract(470) [PDF 292KB](106)
Abstract:
Design and optimization principles of rural logistics management system was introduced.Aiming at design objectives of rural logistics management system，specific optimization scheme was systematicly researched.
Application and Development of Agricultural Informatization Management
YANG Yang
2018, 8(5): 43-44.
Abstract(345) [PDF 293KB](94)
Abstract:
With rapid development of social economy and science and technology，computer technology has been widely used in agricultural production in China.Introduction of computer technology into agricultural management is an important symbol of development of modern science and technology.Computer technology combined with agricultural information management could be of great help to agricultural production.Information agriculture is a new kind of agriculture which combines agricultural information and agricultural technology knowledge，agricultural informatization could promote sustainable development of agriculture in China.Improvement measures in agricultural information management were put forward by deep analysis of computer technology and agricultural information management.
Design and Experiment of Plant Growth Environment Control System
MAI Qiang, CHEN Sibo, HUANG Jinxiang, LIANG Wenyi
2018, 8(5): 45-46.
Abstract(457) [PDF 297KB](135)
Abstract:
STC89C52RC microcontroller as the core processor has been designed to achieve precise control of plant growth temperature，humidity and light and other environmental parameters.Plant growth environment control system consists of an LED control system，a temperature control system，a humidity control system and a nutrient liquid circulation system.Temperature and humidity could be dynamically adjusted by data of environmental measured by sensors，to achieve control of plant growth environment effectively.
Application of Keptile Technology in Agricultural Products Price Information Acquisition
GENG Qian
2018, 8(5): 47-48.
Abstract(510) [PDF 320KB](110)
Abstract:
Development of agricultural information website construction had brought about a dramatic increase of agricultural product market data，and this trend of growth had greatly promoted large-scale establishment and widespread use of agricultural information websites. Therefore，use of big data and reptile technology to dig out valuable information in agricultural product market data is not only an urgent need to adapt to development of the situation，but also an important issue to be urgently solved in promoting agricultural information website construction. Crawling-based agricultural products crawling and storage platform was presented. Crawler technology could be based on user needs，real-time extraction of various types of related web page information，through service platform for integration，so that users could access a large number of price information in a timely manner applicable information.
Evaluation of Ecological Efficiency in Resource-based Cities Taking Shandong Province as an Example
YANG Shuo, WANG Qiming, LIU Binquan
2018, 8(5): 49-53.
Abstract(305) [PDF 634KB](90)
Abstract:
“13th Five-Year”is an important period of our country to achieve a well-off society，sustainable development of the city has become an important research topic under background of speed and level of urbanization is constantly improving.With the‘economy’as the reference object，sustainable development resistance of resource-based cities is greater.‘Ecological efficiency’focuses on the win-win of economic development and ecological improvement，which has made it an important indicator to measure realization of sustainable development strategy of the city.Based on the DEA（data envelopment analysis）model，combining the eco-efficiency assessment of 17 cities in Shandong province in the past 2011—2015 years，characteristics and changes of their eco efficiency were analyzed.
Problems and Countermeasures of Urban and Rural Greening Management Taking Haidong Pingan District as an Example
FAN Zhongjiu
2018, 8(5): 54-57.
Abstract(366) [PDF 665KB](72)
Abstract:
Afforestation is basic work of construction of forestry.Current situation of greening in Haidong city were analyzed，and problems in urban and rural afforestation were discussed.Some opinions and countermeasures about greening management were put forward，which have practical significance for urban greening development.
Development of Agricultural Ecological Buildings in Foreign Countries and Its Revelation in Our Country
GAO Yuan, LIU Yang, WU Xianguo
2018, 8(5): 58-60.
Abstract(446) [PDF 1030KB](118)
Abstract:
Related concepts and existing meanings of agricultural green ecological buildings were starting points.Main types of agricultural green ecological buildings at home and abroad were introduced briefly.Specific composition of foreign typical case studies were summarized.Some suggests about developing green ecological agriculture in architectural industry inspiration in China were proposed.
Application of Comprehensive Reuse of Rain Water in Agricultural Sightseeing Park of Sponge City
JIA Rong
2018, 8(5): 61-62.
Abstract(414) [PDF 317KB](88)
Abstract:
Based on concept of‘sponge city’，application of comprehensive rainwater reuse in agricultural tourism park was emphasized.Ability of rainwater storage was enhanced，planning and construction of agricultural tourism park was perfected，and ecological environment of agricultural tourism park was optimized.
Automatic Weighing and Grading System for Korla Fragrant Pear
LI Yashuo, QI Yannan, MAO Wenhua, ZHAO Bo, LV Chengxu, REN Chang, WANG Jizhong
2018, 8(5): 63-68.
Abstract(682) [PDF 9880KB](117)
Abstract:
In order to improve commodity value of Korla fragrant pear，grading of fragrant pear is a common method.A pear grading equipment based on weight index of fragrant pear was presented with a weighing module that made up of pressure sensitive transducer and AD converter，and executive module was made up of pneumatic pendulum bar to realize classification of fragrant pear.By using tapered roller with turnover ability and high-speed motion ability as the pallet of grading line，it met demand of high-speed classification，and also would provide a platform to extract image based on identification of external quality of fragrant pear.Experiment proved that accuracy of weight of grading line was within 0.4 g，average error rate was 0.4 %，and precision met commercial process requirement.When motor operation was above 15 Hz，classification accuracy was close to 100%，which met production requirements.
Process Conditions Uptimization of Low Sugar Vanilla Angel Food Cake
HE Qingbo
2018, 8(5): 69-73.
Abstract(445) [PDF 654KB](111)
Abstract:
Low sugar vanilla angel food cake formula was studied，with maltitol instead of sugar，and adding the vanilla powder.Amount of egg protein，malt sugar alcohol content，low gluten flour addition and baking temperature were studied by single factor experiments，with sensory evaluation score of cake as the basis.And effect of various factors on quality of cake was further analyzed by orthogonal experiment with four factors and three levels.Experimental results showed that effect sequence of four factors was maltitol content > baking temperature > low gluten flour addition > egg amount.The optimum formula of low sugar vanilla angel food cake was egg protein 110 g，maltitol 40 g ，low gluten flour 60 g，butter 20 g，corn starch 2 g，vinegar 1 g，vanilla powder 6 g，salt 1 g，and baking temperature 160 ℃.The low sugar vanilla angel food cake was oily，plump appearance，the inner core of fluffy，superior flavor and was suitable for all ages.
Current Situation and Countermeasures of Quality and Safety Supervision of Agricultural Products in China
WANG Hua
2018, 8(5): 74-76.
Abstract(367) [PDF 498KB](90)
Abstract:
Current situation and countermeasure of agricultural product supervision at the base level were introduced from view of Food Safety Law.In combination with supervision of agricultural authorities，main problems in production and planting of agricultural products were considered.At the same time，shortcomings of quality supervision departments，industry and commerce and agriculture departments in jointly managing circulation of agricultural products were analyzed，and challenges faced by grass-roots agricultural product quality and safety supervision after promulgation of the new Food Safety Law were introduced.Quality supervision level of basic agricultural products under this policy was studied，and great efforts to implement cooperation of grass-roots agricultural and food supervision departments were paied.
Experimental Comparison Study of Capillary Drain Belt Infiltration Water Intake
CHEN Jianhong, GUO Kaixian, HUANG Jiasheng, YANG Zhanyun, YAN Shangfu, LI Runjie
2018, 8(5): 77-80.
Abstract(680) [PDF 1732KB](243)
Abstract:
Through percolation and water intake tests of annular capillary drainage infiltration pipe，vertical capillary drainage infiltration pipe and common PVC infiltration pipe，water harvesting ability and filtration efficiency of the three kinds of infiltration pipes under different filter layers were compared.Results showed that under condition of single homogeneous filter layer，the vertical capillary drainage infiltration pipe could took both water collection and filtration performance，of which water intake achieved the best.Capillary drainage infiltration pipe could be used for infiltration gallery water intake project near river was proposed firstly.Study results could provide theoretical and design references for application of capillary drain belt in infiltration gallery water intake projects.
Comparison of Different Water Production Functions of Grape with Delayed Planting
WANG Fei, JIA Shenghai, ZHANG Rui, LI Guang, GAO Yanting, WANG Wangtian, WANG Wenli
2018, 8(5): 81-85.
Abstract(519) [PDF 597KB](143)
Abstract:
In order to explore optimal allocation of irrigation water for delayed cultivation of grape plant，according to data of water consumption and yield relations under water stress treatment under different growth stages of plant in 2013—2014，adaptation of Stewart model，Blank model and Jensen model were analyzed on facilities delayed cultivation of grapes.Water sensitivity index of different growth stages of different growth stages were calculated.Results showed that water sensitivity index of delayed grape was the largest in period of fruit enlargement period，which was a critical period for water demand.Embryonic period was the smallest，and moderate loss of water in this period had a positive effect on yield improvement.Stewart model and Blank model were established as suitable water production function model for delay in facility cultivation of grapes.Under condition of limited irrigation water，it should be taken to bud moderate water deficit，irrigation water to fruit enlargement period of irrigation water allocation，in order to get the best economic benefits in a reasonable deployment of irrigation water.
Application of UAV Technology in Rural Cadastral Survey
ZHANG Xiaohong
2018, 8(5): 86-88.
Abstract(484) [PDF 1900KB](90)
Abstract:
With development of GPS driving operation technology and unmanned low altitude aircraft technology，application of UAV technology in rural cadastral survey has come true.UAV is compact in structure，flexible in action，no need to rise and fall in a special runway，less affected by airspace control and weather，and can obtain images quickly in a short time.Starting from application advantages of UAV technology，its application process and specific application in rural cadastral survey were discussed to improve level of rural land management.
Simulation Analysis and Experiment of Combing Pluck of Cerasus humilis
ZHANG Wei, DU Xiaobin, HE Junlin, DU Junjie
2018, 8(5): 89-94.
Abstract(586) [PDF 3258KB](120)
Abstract:
In mature period of Cerasus humilis，fruiting branches lodging rate reaches more than 80%，leading to mechanized harvesting difficulties.To solve problem of lodging branches，a new method of fruit harvesting was put forward，which mainly included comb brush part and motion mechanism.Comb brush part lodges leaned close to ground，lifted lodging branches，and fed them into clearance of comb.Width of tooth gap was between diameter of fruit and diameter of branch.Fruit rised with comb brush part and separated from branches at the same time.Mechanical mechanism that needed for harvesting process was designed，and dynamics simulation and finite element analysis of mechanism were carried out to check strength of mechanism.Test results showed that interstitial clearance was set to 10 mm，which could satisfy branch feeding and separation of fruit at the same time.Picking rate of field test prototype was 80.6%，picking rate of comb brush part was over 95%，breakage rate was less than 1%.Picking rate of collecting device was related to track of comb brush part.
Development and Experiment of PJZ-1 Type Wine Grape Vine Pruning Machine
DONG Xiang, ZHANG Tie, YAN Herong, LI Yongqiang, ZHANG Jianfei
2018, 8(5): 95-100.
Abstract(470) [PDF 10428KB](89)
Abstract:
China wine grape culture area has increased year after year.Wine grape need pruning work before entering the winter which is mainly by artificial.Artificial pruning is high labor intensity，low efficiency and high cost.A kind of mechanization pruning machine for wine grape pruning operations before winter was devised，which included frame，automatic obstacle avoidance device and hydraulic rotation type pruning device.A field experiment at cabernet sauvignon grape vine was carried out to test factors of cutting knife rotation rate and operating speed.Test results proved that cut off rate achieved 98.3% at 3.0 km/h operating speed and 2 000 r/min cutting knife rotation rate.Cut off rate achieved 100% if cutting knife rotation rate was greater than 2 500 r/min.Cut off rate also achieved 100% when cutting knife rotation rate was 2 000 r/min and operating speed was from 1.0 to 2.0 km/h.Reliability test showed grape vine pruning machine time utilization ratio was 86.4% and average efficiency was 0.05 hm2/h.Performance of grape vine pruning machine achieved its design goal which could adjust height and width of pruning efficiently and have good function of automatic obstacle avoidance.High efficiency region was at cutting knife from 2 000 to 3 000 r/min and operating speed from 1.0 to 5.0 km/h.
Innovation Design of Drilling Function of Agricultural Drilling Rig Based on Substance-field Analysis
NIE Yuanji, GAO Changqing, XU Zhenghe, ZHANG Zhihui, CHEN Kun
2018, 8(5): 101-105.
Abstract(481) [PDF 1045KB](88)
Abstract:
In field of groundwater exploitation，radiation well has gradually replaced traditional single tube well by virtue of its large amount of water.Horizontal drilling rig is key equipment during excavation of radiation well，its performance affects efficiency of excavation of radiation well.Three new design projects were obtained through innovative design of drilling function of horizontal drilling rig for agricultural radiation well by substance-field analysis and 76 standard solutions in TRIZ.An optimal project was determined through evaluation of three projects.
Finite Element Analysis on Structure Strength of 7 t Drive Axle Housing
HUANG Weixiang
2018, 8(5): 106-111.
Abstract(493) [PDF 6701KB](127)
Abstract:
A 7 ton models of drive axle housing was used as a object of research，using finite element static analysis and dynamic analysis theory as the basics，combined with CAD software CATIA and finite element processing software，whole process of vehicle driving axle housing from 3D modeling to structural strength analysis was completed.Research showed that，through modal analysis，static analysis and dynamic analysis of driving axle housing，stress distribution of driving axle housing could be fully understood，and design model was convenient for design requirements of strength and stiffness.
Design and Test of Unattended Solar Automatic Grain Drying Equipment
ZHOU Xiangbo, HE Guoguang
2018, 8(5): 112-116.
Abstract(361) [PDF 3403KB](142)
Abstract:
Farmers generally prefer solar drying for agricultural products drying when weather conditions are allowed.However，traditional artificial solar drying（TASD）has many problems，such as easy to be affected by the weather，rainy mildew and germination；high labor intensity（need to pave and furl in the morning and evening，and tedding frequently during drying）；lots of requirement to sunning ground（farmers have to choose road to dry for sunning ground limited，and then cause to traffic safety，vehicle rolling loss，and secondary pollution risk of emissions from cars，and benzene volatilization from asphalt road）.To solve above problems，a set of unattended solar automatic grain tedding and drying equipment（USAGTDE）was developed.USAGTDE adopts a soft waterproof type drying bag with zipper or pulling rope for fast grain gathering.It greatly reduce the risk from sudden raining.And it can be used as temporary sunning ground in paddy field after harvest，and then effectively solve the problem caused by drying on the road.Two sets of air bags are used in USAGTDE，assist with it automatic grain tedding system powered by solar，it greatly save labor inputs and improve the efficiency of drying.A prototype of USAGTDE was built and a relevant test between USAGTDE and TASD was conducted.Test results showed that water loss rate of USAGTDE was increased 39.3% compare with TASD.It proved feasibility and actual application effect of proposed USAGTDE，and also indicated that proposed USAGTDE has widely prospect in actual grain drying applications.
Construction and Practice of Teaching Practice Base for Agricultural Mechanization Specialty
LIU Yule, BO Keming, WANG Hongkui, MENG Zhaoyan, WANG Xiuzhi
2018, 8(5): 117-119.
Abstract(394) [PDF 438KB](93)
Abstract:
In view of general shortage of practical ability of agricultural machinery specialty students，teaching practice bases suitable for agricultural machinery specialty training objectives has been established in Tianjin Agricultural Machinery Extension Station，Tianjin Agricultural Machinery Test and Identification Station，Tianjin Agricultural Machinery Research Institute and related companies.Through several years of construction and operation practice，students have more opportunities to contact production practice，improve awareness of engineering，cultivate and exercise practical skills and innovative ability，and it also increase opportunities for students to work.
Reform Measures of English Teaching in College Gardens Major
WEI Qionghua
2018, 8(5): 120-121.
Abstract(363) [PDF 284KB](82)
Abstract:
There were some problems in English teaching method of garden specialty at this stage，and continuous development of education causes my cabinet to strengthen teaching of English in universities and colleges.In order to improve English ability of garden majors and garden art，a clear English learning goal for students of garden specialty was set up and combined with course content of garden specialty，English teaching of garden specialty was reformed.
Role and Reform of Agricultural English Teaching
LIU Li
2018, 8(5): 122-124.
Abstract(284) [PDF 472KB](89)
Abstract:
Economic globalization has brought opportunities for development of Chinese agriculture and popularized Chinese agricultural to the world.English is the universal language of the world and should be mastered by agricultural practitioners，which was conducive to export China′s agriculture and absorb advanced agricultural technologies from developed countries to help the Chinese agriculture occupy a favorable position in the world.Level of agricultural English teaching in agricultural universities should be improved rapidly.Some problems and reasonable solutions of agricultural English teaching in agricultural universities were put forward， hoping to help the process of China′s agriculture and the world.It could better promote further development of agriculture in our country.
Classroom Teaching Methods of English for Agricultural Engineering
ZHU Hui
2018, 8(5): 125-127.
Abstract(234) [PDF 485KB](97)
Abstract:
Agricultural Engineering English is a discipline established to adapt to economic globalization.Its core purpose is to promote integration of China′s agriculture and world，especially western developed countries，so as to carry out Chinese agriculture′s development strategies of“bringing in”and“sending out”.Recent years，Agricultural Engineering English has been developing rapidly under impetus of policy.It has been initially implemented in various colleges and universities，and a sound system has been established and perfected，but there are still many drawbacks.These drawbacks not only seriously restricts improvement of teaching efficiency，but also affect benign development of subject.In order to solve above problems，application of action oriented in English classroom in agricultural engineering teaching method to improve teaching effect and teaching quality was discussed from perspective of actual teaching situation，in order to provide some reference to cultivation of professional personnel.
Application of Biotechnology in Control of Pests and Diseases in Greenhouse Vegetables
XU Rumin
2018, 8(5): 128-130.
Abstract(358) [PDF 422KB](90)
Abstract:
Pests and diseases are common phenomenon in greenhouse vegetable cultivation.Prevention of pests and diseases could effectively increase the productivity of greenhouse vegetable crops.Biotechnology could effectively reduced the use of traditional pesticides and pollution of pesticides on land in greenhouses，which ensured vegetable healthy.Application of biotechnology were analyzed in prevention and control of pests and diseases in greenhouse vegetables.Biotechnology should be actively used to prevent and control vegetable pests and diseases.
Harm of Aphid to Trees and Control Measures
SHENG Yuanming, XING Tianhua, BAO Haijian
2018, 8(5): 131-132.
Abstract(358) [PDF 339KB](79)
Abstract:
In order to deforest aphids prevention and control work，and ensure healthy growth of trees.Based on actual situation，harm of aphids to trees and prevention and control measures were analyzed.
Afforestation Technical Measures for Pest Control in Forestry
YAN Caixia
2018, 8(5): 133-134.
Abstract(401) [PDF 290KB](83)
Abstract:
Exploration of forest management technology and the prevention and control of forestry pests are enhanced，and it can promote stable development of forestry economy.Therefore，in the new era，based on construction of eco-state，construction of forestry economy should be paied more attention and prevention and control forestry pests measures should be explored by technology of afforestation，so as to provide good support for development of forestry economy.Based on actual situation of Qinghai province，measures of afforestation technology to prevent and control harmful pests were studied，and it tries to provide corresponding technical support for development of forestry economy.
Marketing Strategy of Green Agricultural Products in Hebei Province
WAN Shan
2018, 8(5): 135-137.
Abstract(415) [PDF 459KB](73)
Abstract:
Hebei province is an important agricultural production base in China.Green agricultural resources management operation mechanism and green agricultural production marketing strategy management system has become inevitable path of agricultural comprehensive sustainable development in Hebei province.It could solve problem of production scale and marketing strategy of green agricultural production fundamentally，and achieve a win-win effect in economic and social benefits.Consumption market of green agricultural products in Hebei province was briefly analyzed，and problems and optimization strategies of green product marketing strategy in Hebei province were discussed，aimed to provide reference for future research.
Influence of Farmer′s Endowment on Response of Conservation Tillage Taking Liquan County of Shaanxi Province as an Example
JIA Yiqi
2018, 8(5): 138-140.
Abstract(201) [PDF 424KB](81)
Abstract:
Based on survey samples of 125 households in Liquan county of Shaanxi province，influence of individual endowment of farmers on response of conservation tillage was studied，and its policy implications were discussed.Results showed that promotion and improvement of farmers′ response to conservation tillage should take into account influence of main characteristics.Government should provide more guidance and financial support for conservation tillage promotion activities and technology research and development.
Consumer′s Cognition and Purchase Intention of Traceable Characteristic Forest Fruit Products
SHALA Mujiang·Maiti Niyazi, PULATI·Mohe Taer, Maurizio Canavari
2018, 8(5): 141-143.
Abstract(365) [PDF 412KB](80)
Abstract:
Key factors that affect consumer′s cognition and purchase intention of traceable characteristic forest fruit products were analyzed by using logistic regression model through a survey of 280 consumers in 3 districts of Beijing.Results showed that，consumers had commonly concern about quality and safety of fresh fruits but limited knowledge about traceable characteristic forest fruit products.
Decision Making Method of Rural Highway Maintenance Based on Multi Objective Decision Ranking Method
HUANG Juan
2018, 8(5): 144-146.
Abstract(326) [PDF 438KB](101)
Abstract:
Rural road was an important part of development of agricultural economy and an important direction of rural infrastructure investment.What’s more，it was an important way to support the development of agriculture.It was of great theoretical and practical significance to improve scientific decision-making of rural road maintenance project.Standard system of rural highway maintenance project decision was proposed from the economic criteria，engineering standards，risk criteria and other aspects，and TOPSIS method was applied to the decision-making of rural highway maintenance project.Finally，protection mechanism of rural highway maintenance was put forward from establishing accountability mechanism of rural highway maintenance decision，establishing consultation mechanism of rural highway maintenance decision and establishing scientific management mechanism of rural highway maintenance.
Role of Agricultural Economic Individual in Trade Friction of Agricultural Products
LI Wuge
2018, 8(5): 147-148.
Abstract(368) [PDF 314KB](84)
Abstract:
With development of world economic integration，trade between countries has also increased，problem also appears，such as various trade frictions.Agricultural economy individual is very important for solving problems of agricultural trade friction. Problems in agricultural trade friction wers analyzed，and corresponding solutions were provided.
Development Suggestions of Tourism in Traditional Agriculture Town
LI Ling
2018, 8(5): 149-150.
Abstract(354) [PDF 339KB](73)
Abstract:
Agricultural tourism has gradually become an upsurge of modern tourism，which consisted of agriculture and tourism.Current situation and problems in development of tourism of agricultural towns were analyzed.Some relevant suggestions and countermeasures were put forward to provide some reference for improving the quality of rural tourism and economy development of towns.
Teaching Exploration of Marketing Major A Case of Marketing of Agricultural and Sideline Products
MA Xiaorong, LI Xiangguo
2018, 8(5): 151-152.
Abstract(202) [PDF 123KB](3)
Abstract:
Teaching model that marketing professional knowledge is connected with knowledge of agricultural and sideline products could improve student′s study interest of marketing major and improve teaching quality of marketing major.Marketing professional knowledge combined with knowledge of agricultural and sideline products could make students of marketing major to produce a strong curiosity and desire for knowledge，be good for students to understand related marketing problems and improve ability to solve problems in process of marketing，help students to form scientific outlook on life and values，and then raise teaching effectiveness of marketing major.

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