农业工程

Subsidies Classification of Typical Agricultural Machinery Product Based on Precise Subsidy Proportion

XU Feng

2019, 9(11): 1-7.

Abstract(42) [PDF 7296KB](6)

Abstract:
Problems of 4 kinds of agricultural machinery，such as tractor，baler，green forage harvester and sprayer，with excessively high subsidy ratio were analyzed，and suggestions on adjustment of subsidy distribution were put forward.Through reviewing evolution history of fixed quota subsidy and fixed ratio subsidy，current problems of subsidies and their causes of agricultural machinery with excessively high subsidy ratio were analyzed，and approaches of optimizing subsidy grading mechanism were summarized.

Development Status and Trend on Harvesting Device of Giant Juncao

WANG Yongkun, WU Chuanyu, TIAN Yannan, LIANG Qing, GUAN Tong, CHEN Jingbing

2019, 9(11): 8-12.

Abstract(68) [PDF 1353KB](19)

Abstract:
Giant juncao harvesting is one of the most labor-intensive work in juncao indusstry.There is few research on giant juncao cutting and so it has no cutting device to cut giant juncao stalks effectively at present in China.Firstly，some mechanical properties of giant juncao such as stalk stretching，compression and bending，as well as some affective factors about tensile and compressive strength of giant juncao like diameter and rate of water content were summarized.By comparing the research status of different stalk cutters，it concluded that reasonably matching structure and movement parameters of disc cutters could reduce heavy cutting and leakage cutting.Meanwhile，the combination of cutting clearance and cutting blade had great influence on the shear force，as for the cutting speed of reciprocating cutting，it had little influence.Secondly，it was pointed out that virtual simulation technology could provide a new technical method for exploring cutting device，which was also a new technical field relatively.At last，it was put forward that problems of giant juncao harvesting currently and the view that cutting devices should be developed to intelligence and multi-function in the future.

Model Selection of Small Vegetable Transplanter

PAN Zhanglei, GUO Jianye, ZHANG Lan, ZHANG Yanhong, CHANG Qing

2019, 9(11): 13-16.

Abstract(60) [PDF 500KB](4)

Abstract:
Transplanting is an important link in vegetable production.At present，transplant works are almost done by manpower in Beijing suburbs，manual transplanting has characteristics of labor intensity，low production efficiency and high production cost，it is not commensurate with requirements of large-scale，intensive and efficient planting of vegetables，which seriously restricts healthy and sustainable development of vegetable industry in Beijing suburbs.To solve this problem，research on model selection of small vegetable transplanter was carried out.3 kinds of small vegetable transplanter which have been successfully tested and demonstrated in recent years were chosen as experimental objects.Based on field experiment and application investigation，technical indexes such as working quality，operation efficiency and operation cost were analyzed to select suitable transplanter for vegetable transplanting in Beijing suburbs.Results showed that，transplanting effect of 3 transplanters could all reached agricultural requirements of transplanting.Large-scale transplanting in parks with large area，efficiency of pull-type transplanter was the highest，and had the best income.Transplanting in greenhouses with low and steel frame，electric self-propelled transplanter had the best operation effect，and electric self-propelled transplanter only need one person to operate，which was very suitable for smaller parks.Iseki transplanter had good operation effect，and it could well complete transplanting of small seedlings of lettuce and other seedlings with 192 holes，it was suitable for parks that needs transplanting small seedlings or requires higher transplanting effect.Research results could provide reference for vegetable farmers to choose suitable vegetable transplanter.

Performance Experiments of Model 3CP-460 Ratoon Sugarcane Shovel Breaking Machine

TANG Ruixue, WANG Huazhun, YANG Yunfu, NIU Xianwei, CHEN Kun, FANG Weishan, ZHU Yi, ZHANG Xingjiang, WANG Guozhong

2019, 9(11): 17-20.

Abstract(88) [PDF 9341KB](9)

Abstract:
In the management of ratoon sugarcane planting，shovel and broken ridge are especially important.Mechanization is an inevitable trend of modern ratoon sugarcane planting.Model 3CP-460 ratoon sugarcane shovel breaking machine was a new model developed for the ratoon sugarcane shovel and broken ridge.Experimental results showed that indexes such as rate-breaking rate，depth of spatted stump and width of ridge reached agronomic requirements of planting and management of perennial sugarcan.

Problems and Countermeasures of Agricultural Machinery Promotion in Fangshan District of Beijing City

JIANG Baohai

2019, 9(11): 21-23.

Abstract(30) [PDF 469KB](4)

Abstract:
Agriculture is foundation of national economy.Promotion of agricultural machinery is an important guarantee to realize agricultural modernization.Problems existing in promotion of agricultural machinery in hilly areas were analyzed by taking Fangshan district，Beijing city as an example，and corresponding development ideas and solutions were put forward.

Effect of Straw Returning and Technology of Saving Energy and Reducing Consumption in Rice Oil Rotation

CAI Haitao

2019, 9(11): 24-27.

Abstract(43) [PDF 464KB](5)

Abstract:
Effect of straw returning and fuel consumption of different machines and tools were compared under rice oil rotation mode，relationship between different ways of straw returning and fuel consumption was analyzed.It could provide a basis for selection of rice oil rotation and operation mode of energy saving and environmental protection.

Investigation on Application of Precision Feeding Technology in Animal Husbandry in Beijing

XU Lanjun, ZHANG Chuanshuai, LI Xiaolong, CHEN Hua, LIU Xingtao, SUN Mengyao, QIAO Guangming

2019, 9(11): 28-31.

Abstract(131) [PDF 633KB](4)

Abstract:
In order to deeply understand development of precision feeding technology in animal husbandry and application status of precision feeding technology in animal husbandry in Beijing，investigation on application of precision feeding technology in animal husbandry in Beijing was conducted.Application status of precision feeding technology in Beijing were summarized，existing problems were analyzed，and relevant countermeasures and suggestions were put forward.

Data Acquisition Method of Potato Defect Resistance Imaging Array

LI Xu, LIU Qifang

2019, 9(11): 32-35.

Abstract(82) [PDF 2365KB](8)

Abstract:
In view of current time-consuming and laborious methods of potato defect detection，expensive equipment and high magnetic field，an electrical resistance tomography method to detect potato defects were proposed and data acquisition method of potato defect resistance image field array was studied.Based on modeling of imaging physics，effects of different electrode shapes on the electrical potential characteristics of object field and isoline，as well as the simulation of shape of excitation electrode，electrode coverage and excitation mode were studied.Finally，the data acquisition mode of object field array was determined，and electrode structure was optimized.

Design and Test of Agricultural Intelligent Spraying Control System Based on Fuzzy PID

MENG Shuli, HAO Lei

2019, 9(11): 36-38.

Abstract(76) [PDF 451KB](16)

Abstract:
Fuzzy PID control technology was applied to the spray volume control of sprayer sprayer，and corresponding control system was designed to improve effect of crop spraying.Firstly，the basic principle of crop spray control system was analyzed.Secondly，the software and hardware system of fuzzy PID control system，and fuzzy control logic table were designed.Finally，simulation of spray volume control was carried out.Simulation result showed that fuzzy PID control system could achieve better spray control effect and higher control accuracy.

Design of Small Multifunctional Electronic Scale

WEI Fengchan, ZHAI Pengfei, LIU Jie, LI Zongrui

2019, 9(11): 39-42.

Abstract(179) [PDF 3632KB](14)

Abstract:
In order to achieve accurate weighing，a small multi-functional electronic scale wa designed.The electronic scale consists of system part，data acquisition part，man-machine interface and system power supply.The hardware mainly consists of STC89C52 MCU and A/D conversion chip.The main functions included basic weight measurement，artificial intelligence input，multi-price hybrid calculation，LCD screen display quality and safety warning prompt.

Application of Virtual Manufacturing Technology in Agricultural Machinery Design

TAO Dongya

2019, 9(11): 43-45.

Abstract(60) [PDF 460KB](11)

Abstract:
Starting from positive role of virtual manufacturing technology in agricultural machinery design，some of virtual manufacturing software with high market share in domestic agricultural machinery design field and its main functions were briefly introduced，and the positive role of virtual manufacturing technology in parts design，virtual environment simulation and testing，and agricultural machinery engineering drawing were emphatically discussed.

Extraction Process Optimization of Cellulose in Corn Straw with High Pressure Steaming Method

HUO Mantang, HOU Zhesheng

2019, 9(11): 46-48.

Abstract(94) [PDF 436KB](9)

Abstract:
With the increasingly prominent problems of environment and energy，the development and utilization of renewable resources has become the focus of attention.As a kind of green renewable energy，corn straw is widely used in agricultural production，industrial manufacturing and other fields.Practical significance of extracting cellulose from corn straw was discussed.Several methods of extracting cellulose from corn straw were introduced，mainly described how to extract cellulose from corn straw by high-pressure cooking，and explore the best process conditions of extracting cellulose from corn straw by high-pressure cooking.Through single factor experiment，the effects of different reaction time，pressure and sodium hydroxide solution content on the cellulose extraction from corn straw were discussed，which provided reference for industrial extraction of corn straw cellulose.

Current Situation of Popularization and Application of Rural Eco-technology in China

LIU Yitong

2019, 9(11): 49-51.

Abstract(91) [PDF 506KB](10)

Abstract:
Application types and existing problems of rural eco-echnology in China were briefly introduced.Application and popularization of eco-technology in sewage treatment，residential building improvement and three-dimensional farm development in rural areas of China were also analyzed.

Vacuum Freeze-drying Test for Carrot

ZHANG Yanhong

2019, 9(11): 52-55.

Abstract(30) [PDF 569KB](4)

Abstract:
With improvement of life quality and diet structure，demand for convenient and fast food is getting higher and higher.Freeze-dried carrot is a kind of high quality snack with rich nutritional value.Process of vacuum freeze-drying of carrot slices was introduced，test of vacuum freeze-drying for carrot slices was carried out，and appropriate process parameters were obtained，that could provide a theoretical reference for production of carrot freeze-dried snacks with good taste，shape and nutrition.

Technical Improvement of HGT-50 Energy-saving and Environment-friendly Grain Dryer

HUANG Ruochen

2019, 9(11): 56-58.

Abstract(53) [PDF 857KB](11)

Abstract:
Structure，working principle and improvement scheme of HGT-50 energy-saving and environmental protection grain dryer were described.Through technical improvement，thermal efficiency was increased，fuel consumption was reduced and grain drying was more uniform.

Research Status and Countermeasures of Key Equipment for Factory Production of Agaricus bisporus

WANG Rongxian, ZHAO Xiangpeng, LIN Shilan, HUANG Te

2019, 9(11): 59-62.

Abstract(107) [PDF 8098KB](4)

Abstract:
The factory production of Agaricus bisporus in China is at a stage of rapid development.The important factor that restrict production is the low degree of equipment automation.The research state of key equipment for factory production of Agaricus bisporus at home and abroad were introduced.According to the example of production，existing problems were analyzed.The research trend of key equipment for factory production of Agaricus bisporus were discussed.

Construction Status of Small-scale Farmland Water Conservancy Project in Shandong Province

ZHOU Bo, ZHEN Shufeng

2019, 9(11): 63-66.

Abstract(60) [PDF 618KB](10)

Abstract:
Based on the analysis of main problems existing in construction of small-scale farmland water conservancy projects in Shandong，some countermeasures for raising construction funds，rationally planning layout of projects，and perfecting construction and management system of projects were put forward.

Ecological Intervention and Measures of Road Engineering Construction in Field of Land Improvement

PENG Feng, DING Yujuan

2019, 9(11): 67-70.

Abstract(58) [PDF 651KB](16)

Abstract:
Green ecology is a new connotation given to land remediation in the new era.Ecological construction of land remediation project can make up for the“ecological shortage”.In view of the special landform characteristics of Guizhou hilly and mountainous area，the spatial framework of the field road for land remediation was expounded from the spatial dimension by using the comprehensive analysis method.Four areas of ecological intervention along the field road caused by project construction were analyzed： section and extension area of the foundation，structural area of rigid materials，joint area of cross buildings（structures），and damaged area of construction soil.Some strategies of ecological construction of field road engineering were optimized to locate its function，building materials and reconstruct environment.Results showed that ecological construction of field road engineering could realize integration of landscape，ecology and practicality.

Development of No-tillage Precise Seeder for Directional Hole-seeding and Hole-fertilization of Corn

CHENG Juan, ZHOU Jin, ZHANG Xisheng, LIU Liming, MIAO Naishu

2019, 9(11): 71-74.

Abstract(71) [PDF 690KB](22)

Abstract:
In order to avoid impact of seed fertilizer on seed quality and inhibition of chemical fertilizer on seed biological activity when traditional seed fertilizer was mixed，and avoid phenomenon that fertilizer was scattered and distributed when seed fertilizer was applied vertically，and utilization rate was not high because there was no specific seed，a no-tillage precision seeder was designed for directional hole sowing of corn.The equipment could realize high-efficiency no-tillage precision sowing and fertilization of corn with fixed quantity，distance and hole. Seeds and fertilizers could meet requirements of hole forming and separate application.Location distribution and thickness of soil layer between two caves could meet requirements of agricultural technology.Moreover，adjustment between sowing amount and fertilization amount is independent，and at the same time，the cost is reduced，the yield is increased，and the soil is protected.

Design of Seed Coating Machine Based on Air Suspension

GUO Wenwen, CHEN Xinyu, CHEN Mingdong

2019, 9(11): 75-78.

Abstract(61) [PDF 762KB](9)

Abstract:
Aiming at problems of low film forming，uneven coating and high rate of seed damage，a new type of seed coating machine based on air suspension was designed according to national requirements for seed coating operation.Through the introduction and redistribution of updraft and tangential airflow，seeds were kept in the state of floating and rotating，resistance of movement and seed wear were reduced.Quantitative dosing of metering pump and tangential spraying of nozzle ensured a stable seed ratio.The coating machine can complete functions of coating，drying and conveying at one time，so as to ensure high quality of seed coating and uniform film coverage.

Structural Design of Environmental Protection and Energy Conservation Biomass Hot Blast Stove

KONG Fanzhu, ZHAO Feng, WU Wenxuan, ZHANG Zongchao, JIA Zhenchao, LI Qing, CI Wenliang, CUI Xiangquan

2019, 9(11): 79-82.

Abstract(129) [PDF 1826KB](12)

Abstract:
Existing hot blast stove has some problems such as low thermal efficiency，incomplete combustion and environmental pollution and so on.In view of these problems，an environmental protection and energy-conservation hot blast stove was designed，which mainly included design of feeding system，combustion system，heat exchange system，dust removal system，box and control part.This new type biomass hot blast stove could continuously supply clean hot air which was constant temperature，constant pressure and dustless，and discharge pollution-free waste heat gas.The design could be used for drying and heating，and which has a broad application prospect.

Design Strategy of Agricultural Machinery Based on Export Market

LIN Kang

2019, 9(11): 83-85.

Abstract(203) [PDF 367KB](14)

Abstract:
The present situation of export market of agricultural machinery in China was analyzed.Reasons why export-oriented agricultural machinery did not conform to international agricultural machinery trade market were analyzed，and the necessity of optimizing design of export-oriented agricultural machinery was deduced.Analytic Hierarchy Process（AHP）was used to synthetically evaluate design optimization of export-oriented agricultural machinery in China，which was typical of combine harvester.Relevant strategies and key evaluation system of design optimization were obtained.

Effect Evaluation and Reform of Blended Teaching Mode in Environmental Engineering Course

DUAN Na, LIN Cong

2019, 9(11): 86-89.

Abstract(77) [PDF 1080KB](12)

Abstract:
Environmental engineering is a course with prominent characteristics of combining theory，practice，engineering and science.Based on requirements of ability and quality of engineering talents training，reform of blended teaching mode was applied in this course.Online-offline teaching mode was formed focusing on special topics，diversified teaching methods and evalution system was adopted.The questionnaire survey results indicated that blended teaching mode was favor to improve teaching effect and promote students′ all-round ability enhancement.

Training Mode of Applied Innovative Talents in Agricultural Machinery by School-enterprise Cooperation under Vision of New Engineering

ZHANG Zhenguo, LV Quangui, GUO Junxian, LI Xuelian, HAN Changjie, JIN Wei, JIANG Yanwu, ZHU Xingliang, YUAN Panpan

2019, 9(11): 90-94.

Abstract(408) [PDF 674KB](187)

Abstract:
In order to solve problems of disconnection of the demand for agricultural machinery professionals and the shortage of industrial development in Xinjiang，College of Mechanical and Electrical Engineering，Xinjiang Agricultural University was taken as an example to construct a new model of applied innovative talents for agricultural mechanization under the new engineering vision，at the same time，agricultural machinery professional personnel training reform content and implementation method plan were put forward，with a view to reserving talents for the rapid development of agricultural machinery industry in Xinjiang.

Thoughts on Strengthening Comprehensive Quality of College Students of Agricultural Mechanization Specialty

XU Yufeng, GAO Xiuxue

2019, 9(11): 95-97.

Abstract(79) [PDF 433KB](11)

Abstract:
Comprehensive quality education is the main mode of college students′ education.To improve comprehensive quality of agricultural college students majoring in agricultural mechanization，three aspects were analyzed.First，improving their professional ability，including strengthening understanding of agricultural machinery application ability of two-dimensional and three-dimensional software and the hands-on production ability of students majoring in agricultural mechanization.Second，improving basic ability，including understanding of agricultural machinery，mathematics，physics and other basic knowledge，as well as the improvement of reading ability of foreign literature.Third， cultivation and improvement of their own quality，including professional ethics and social ethics education.The cultivation of comprehensive quality of agricultural mechanization is to train advanced agricultural machinery professionals with innovative spirit.

Current Stituation of Food Safety Science Popularization Activities in Colleges and Universities of Shaanxi Province：Taking Yangling Vocational & Technical College as an Example

YAO Ruiqi, LI Guoxiu, LONG Minghua, GAO Min

2019, 9(11): 98-101.

Abstract(58) [PDF 613KB](7)

Abstract:
Food safety should be based on food safety science popularization education.Current situation of science popularization of food safety in colleges and universities of Shaanxi province was analyzed.The practical problems，solutions and achievements were introduced taking Yangling Vocational & Technical College as an example.Food universities have talents and professional advantages in carrying out food safety science popularization.The special food safety science working groups can be founded to use high-quality digital resources inside and outside the school.School laboratories and bases can be opened in a timely and appropriate manner to achieve fully interactive results.

Application of Infrared Thermal Imaging Technology in Agriculture

LIU Youfu, ZHOU Zhiyan, TIAN Luhong, ZHONG Boping, HE Yue

2019, 9(11): 102-110.

Abstract(294) [PDF 1220KB](9)

Abstract:
Basic principle of infrared thermal imaging technology and common thermal image processing methods were introduced.Applications of infrared thermal imaging technology in crop water stress，infective disease monitoring，freezing damage stress and yield prediction were summarized.The problems faced by development and application of imaging technology in the agricultural field and future development trend were analyzed，with a view of providing reference for practical development and application of infrared thermal imaging technology in agriculture.

Cultivation Technology of Summer Maize with Stable Yield and High Yield in Anhui Province

FU Hua, LI Meng, LIU Xingzhou, CHEN Ruiji, MA Guimei, ZHANG Jian

2019, 9(11): 111-115.

Abstract(199) [PDF 822KB](18)

Abstract:
The stable and high yield cultivation techniques of summer maize in Anhui province were introduced from aspects of variety selection，seedling evenness，foot fertilizer application，drought irrigation，fine field management and postponement of harvest，with a view of improving corn yield and quality.

Application of Biological Technology in Forest Pest Control

ZHANG Jinping

2019, 9(11): 116-118.

Abstract(167) [PDF 468KB](29)

Abstract:
Environmental problem is one of key problems that society pays attention.More and more people are involved in afforestation， and forest pest control is becoming more and more important.Compared with traditional forest pest control technology， biological control technology has many advantages.Technical characteristics and application of common biological control technologies were discussed， aiming to provide reference for forest pest control personnel.

Current Situation and Countermeasure of Agricultural E-commerce Development under Rural Revitalization Strategy of China

WANG Yapeng, LV Dan, HU Liubo

2019, 9(11): 119-122.

Abstract(73) [PDF 657KB](12)

Abstract:
Connotation and characteristics of agricultural e-commerce，role in rural revitalization，development status and current existing problems were analyzed，and countermeasures to promote development of agricultural e-commerce under rural revitalization strategy were put forward.

Construction of Leisure Tourism Base of Agricultural Machinery Culture in Fengtai District of Beijing City

MA Jiwu, WANG Huainan

2019, 9(11): 123-125.

Abstract(39) [PDF 472KB](3)

Abstract:
Leisure tourism of agricultural machinery culture is an important way to enrich agricultural management models.Basic conditions and development ideas of building agricultural machinery culture tourism leisure experience exhibition base in Wangzuo town and surrounding areas of Fengtai district were analyzed，and feasibility analysis was carried out，aiming to provide reference for construction of leisure agriculture projects with characteristics of agricultural machinery culture.

Development Misunderstanding and Countermeasures of Rural E-commerce in Western China

ZAHNG Yacui

2019, 9(11): 126-128.

Abstract(38) [PDF 498KB](3)

Abstract:
Rural areas in western China are inconvenient in transportation and relatively backward in economic development，emergence of e-commerce has provided new ideas for development of western rural areas.Advantages and existing problems of developing e-commerce in rural areas of western China were analyzed，and corresponding development measures were put forward.

Brand Development Countermeasures of Agricultural Products in O2O Mode

ZHANG Li

2019, 9(11): 129-131.

Abstract(35) [PDF 488KB](4)

Abstract:
In order to increase production and income of agricultural products，mode of agricultural development and characteristic agricultural products should be changed and developed.Construction of characteristic agricultural products is the core force to promote the sustainable and healthy development of agriculture，also is the key link of agricultural upgrading.Management mode and related contents of agricultural product chain brand were expounded and analyzed in mode of O2O.

Tea E-commerce Innovation Mode in Shaanxi Based on Precision Poverty Alleviation

WANG Yan

2019, 9(11): 132-134.

Abstract(195) [PDF 493KB](9)

Abstract:
Traditional marketing methods can no longer meet needs of development of tea industry in the era of“Internet+”.Through innovating e-commerce marketing mode，tea enterprises should strengthen utilization of existing internet and network resources，and promote sustainable development of enterprises.Current situation and existing problems of e-commerce marketing of the tea leaves and innovative network marketing mode were put forward to promote increase of tea farmers and help rural areas to accurately help the poor.

Application of Blockchain Technology under Different Farm Production Modes

ZHANG Yin, TAN Zicong

2019, 9(11): 135-137.

Abstract(94) [PDF 1063KB](15)

Abstract:
It is a common problem in different agricultural models that product information is hard to be traced and supervised effectively.How to effectively solve problem of agricultural product safety had attracted the attention of majority of scholars.Therefore，a new standardized agricultural production system with blockchain technology as the core which takes use of bookkeeping was put forward，one of characteristics of blockchain technology，and development of different farm production models under this system was analyzed.

Development Status and Improvement Measures of Agricultural Machinery Marketing Industry Based on E-commerce

FAN Delong, CHEN Xiding, LI Dong

2019, 9(11): 138-140.

Abstract(55) [PDF 530KB](3)

Abstract:
In recent years，China′ s agricultural production and marketing industry had been continuously developing and upgrading，whether it is strategic adjustment of industrial structure or improvement of sales growth mode.Its purpose is to make application of e-commerce effectively to improve overall level of agricultural machinery marketing industry.Starting from the analysis of current situation of agricultural machinery marketing industry in China，advantages，disadvantages，opportunities and challenges of application of e-commerce marketing mode in agricultural machinery marketing industry were analyzed by SWOT analysis method，and some improvement strategies were put forward.

SWOT Analysis and Countermeasures of Ecological Civilization Education in New Countryside under View of Rural Revitalization

ZHAO Xinzhan

2019, 9(11): 141-144.

Abstract(85) [PDF 655KB](8)

Abstract:
Ecological civilization education in new countryside is of great significance to construction of ecological civilization in new countryside and rural revitalization.Its main goal is to improve peasants’awareness of ecological civilization，its main content is to strengthen their ecological civilization concept，knowledge and legal education.Based on SWOT analysis，countermeasures for new rural ecological civilization education were put forward，which included strengthening organization leadership of rural ecological civilization education，carrying out ecological civilization education through rural schools，inheriting Chinese traditional ecological civilization ideas，innovating ecological civilization education carrier，reinforceing construction of rules and regulations for ecological civilization and running through civilization education in construction of ecological civilization.

2019 Vol. 9, No. 11

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