2017 Vol. 7, No. 2

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Research Status and Development Suggestions of Oil Sunflower Harvester
Han Changjie, Liu Xiguang, Yuan Panpan, Yan Jinshan, Zhang Xuejun
2017, 7(2): 1-4.
Abstract(415) [PDF 3270KB](232)
Abstract:
Oil sunflower is one of five major oil crops in China，which has high utilized value and nutritional value.So it is called ‘healthy nutrition oil’ in 21st century.Oil sunflower mechanized harvest level is not high in China.It is of great significance to develop oil sunflower harvester to reduce labor intensity，improve production efficiency and realize oil sunflower production mechanization.Research status of oil sunflower harvester at home and abroad was expounded.Problems existing in development of oil sunflower harvester were analyzed.Development suggestions were put forward.
Development Status and Trend of Sugarcane Cultivator in China
Liao Na, Liu Yundong, He Cheng, Liu Fangjian, Di Mingli, Mi Yi
2017, 7(2): 5-8.
Abstract(623) [PDF 538KB](233)
Abstract:
With adjustment of agricultural structure and increase of labor costs，mechanization of sugarcane production has become an urgent demand for high efficiency.Sugarcane cultivation mechanization can complete tillage，weeding，fertilizing and hilling etc at a once.It can improve soil condition effectively and keep fertilizer and water deep so as to create good conditions for sugarcane growth.Production technology，development history，model features and benefit of sugarcane cultivator were introduced.Existing problems were pointed out. Development trend that included high clearance chassis matching technology，multifunctional portable medicine fertilizer membrane integrated tillage and piling up soil machine，and driving type cultivator combined machine were put forward.
Comparative of Main Operation Quality Test Methods for Deep Loosening Machine
Chen Xinghe, Sun Chao, Liu Hui
2017, 7(2): 9-13.
Abstract(396) [PDF 987KB](229)
Abstract:
Operation quality test methods of loosening and perturbation coefficient of soil for deep loosening machine were researched.Surface mapping and calculation of cross section area were optimized.Contrastive test between instrument measurement method based on laser range finder and traditional manual measurement method was carried out.Results showed that there was no significant difference between instrument measurement and manual measurement.It was proved that the improved method was accurate and reliable.And it could be applied to both instrument measurement and manual measurement.The advantages of instrument measurement was to avoid influence of human factors on the results and collect data furthest.So it could improve test efficiency，convenience of data processing and accuracy of measurement results.
Development Status and Suggestions of Agricultural Machinery Socialization Service Organization in Yuncheng City
Ning Meiping
2017, 7(2): 14-17.
Abstract(296) [PDF 667KB](179)
Abstract:
Agricultural machinery socialization service organization is an important force to promote agricultural mechanization and agricultural modernization.Status of agricultural machinery socialization service organization in Yuncheng city was analyzed.According to the operation mode，they were divided into 11 types.Characteristics of each type were introduced.Finally，some suggestions were put forward to promote healthy and sustainable development of agricultural machinery socialization service organization.
ZA-M Series Fertilizer Applicator of Amazone Company
Wu Qingfen
2017, 7(2): 18-20.
Abstract(300) [PDF 1315KB](181)
Abstract:
Structural features and technical performance of main components for ZA-M series fertilizer applicator of Amazone company were introduced.It provided reference for further research and development of fertilizer applicator products in China.
Contrast Test on Two Plant Protection Modes of Unmanned Aerial Vehicle and Semi-mechanization for Rice
Tan Dunyong
2017, 7(2): 21-23.
Abstract(329) [PDF 363KB](176)
Abstract:
Plant protection is a weak link in the whole mechanization of rice production in China.Contrast test on two plant protection modes of unmanned aerial vehicle（UAV）and semi-mechanization for rice was carried out.Results showed that UAV efficiency was 16 times that of semi-mechanized operation，saved pesticide costs 26.4% and saved total cost per unit area 23.42%.At the same time，UAV had the advantages of uniform spraying，good atomization effect，good environmental protection effect and high safety factor.UAV plant protection of rice would be one of the important models to replace traditional semi-mechanized operation.
Development Status of Unmanned Aircraft for Agricultural Plant Protection
Guo Yong, Wang Nan, Jin Baoxing
2017, 7(2): 24-25.
Abstract(353) [PDF 343KB](209)
Abstract:
Development status and advantages of unmanned aircraft for plant protection at home and abroad were introduced.Developing prospect was analyzed.It provided reference for domestic unmanned helicopter research units.
Countermeasures of Agricultural Mechanization Information Propaganda under New Situation
Yao Chunsheng, Zhu Lihao, Qi Yazhuo
2017, 7(2): 26-28.
Abstract(334) [PDF 474KB](185)
Abstract:
Many agricultural machinery industry media played the role of public opinion guidance and supervision in the development of agricultural mechanization these years.They effectively promoted quality of agricultural products，quality of operation，service quality and management level greatly improved.With the promotion of agricultural mechanization in the development of modern agriculture，the role of information propaganda was becoming more and more important.Under the new situation，some countermeasures and suggestions on how to do well the work of agricultural mechanization information propaganda were put forward.
Research Progress of Domestic Potato Planting Machine
Zhou Yi
2017, 7(2): 29-30.
Abstract(315) [PDF 322KB](185)
Abstract:
Research quo of domestic potato planting machine was introduced.Development direction and trend of potato planting technology were analyzed.It provided reference for relevant research units and production enterprises to develop potato planting machine.
Difficulties and Solutions in Management for Farmers with a Lot of Farm Machinery
Zhang Chunzhong
2017, 7(2): 31-32.
Abstract(296) [PDF 348KB](157)
Abstract:
Farmers with a lot of farm machinery played a leading role in the development of agricultural mechanization and they had made a positive contribution to the development of agricultural modernization in China.With the emergence of farmers with a lot of farm machinery and lack of job management practices，farmers with a lot of farm machinery encountered many difficulties in the course of business.How to solve these problems and find development strategy were new research topics.Difficulties in management for farmers with a lot of farm machinery were analyzed.Some solutions were put forward.
Application of Well Shape Mechanized Sowing Technique for Wheat in Qiemo County of Xinjiang
Liu Yu, Zhao Xinhua
2017, 7(2): 33-34.
Abstract(305) [PDF 279KB](156)
Abstract:
Well shape mechanized sowing technique for wheat was popularized recent years in Qiemo county of Xinjiang uygur autonomous region.Test results showed that compared with conventional planting technology，wheat yield increased by 1 650 kg/hm2 after applying new technology.Farmers′ enthusiasm for growing wheat has increased.It had demonstration and leading role for improvement of mechanization level of wheat production in Qiemo county.
Research and Development of Intelligent Mobile Operation Platform Control System in Facility Cultivation Environment
Tao Jianping, Yi Zhongyi, Lv Xiaolan, Zhang Meina, Bai Zongchun, Li Hui
2017, 7(2): 35-38.
Abstract(433) [PDF 707KB](195)
Abstract:
In facilities environment，mobile platform as a carrier in equipment such as spraying and picking，due to the restrictions on working environment，real-time and accuracy of its control system have higher requirements.In order to improve efficiency and accuracy of operation，distributed control system based on CAN bus was presented.The system was divided into two parts.The master controller was in charge of collecting position information and control decision.Each function node realized steering，speed change and equipment control of mobile platform.Communication of whole system was designed based on ISO11783 standard.Through system communication ability test，results showed that intelligent control system of mobile operating platform could meet demand of facilities operation，and its performance was more stable and reliable.
Design of Isolation Amplifier Used in Wisdom Agriculture
Zhou Jiang
2017, 7(2): 39-43.
Abstract(427) [PDF 700KB](182)
Abstract:
In sensor information collecting system of wisdom agriculture，considering ability of anti-interference of system，output signal of the sensor and collection system do not share the ground.This requires a isolation amplifier，it can transmit output signal of sensor to collection system without distortion.Therefor，two isolation amplifiers was designed with high-linearity analog optocouplers HCNR200，they could isolate unipolar voltage and bipolar voltage respectively.Method of calculating circuit parameters according to different input voltage was explained in detail，and the corresponding circuit diagram was given.Finally，correctness and feasibility of designed circuit was verified by experiments.
Application of ZigBee and GPRS Technology in Orchard Monitoring System Development
Yang Jiapeng, Wei Chengwei, Jiang Yi
2017, 7(2): 44-47.
Abstract(279) [PDF 606KB](198)
Abstract:
Related concepts of ZigBee and GPRS，and application progress of orchards monitoring and control system based on ZigBee and GPRS were introduced.An effective solution was provided for large area orchard cosco distance，multi-factor data collection and sharing.
Construction of Rural Public Meteorological Service System
Tsering Zhuoma
2017, 7(2): 48-49.
Abstract(300) [PDF 280KB](182)
Abstract:
In recent years，with progress and development of the society，public meteorological service system plays a more and more important status in rural development.Construction and development of modernization of rural areas can′t do without public meteorological service system，the current in the process of constructing rural public meteorological service system，all kinds of problems and related system construction and guarantee is not perfect enough，the overall level of science and technology and method needs to be improved.In the process of rural construction and development，the level of scientific production is restricted，establishment of public meteorological service system can effectively meet the needs of development，improve overall level of construction of rural economy.Existing problems of rural public meteorological service system were analyzed to continuously upgrade effect of meteorological service and let the public meteorological service system higher function.
Emission Characteristics and Pollutant Control of Biomass Combustion
Yu Youfang, Shang Pengpeng, Sheng Kuichuan
2017, 7(2): 50-54.
Abstract(487) [PDF 1031KB](226)
Abstract:
Emission Characteristics and Pollutant Control of Biomass Combustion
Relation of Bio-energy Industrialization Development and Eco-irrigation Area Construction in China
Xu Hongsong, Zhang Zezhong, Qi Qingqing, Li Xiaolong
2017, 7(2): 55-59.
Abstract(392) [PDF 720KB](185)
Abstract:
In order to handle relation of bio-energy industrialization development and eco-irrigation area construction and complete strategy task of energy saving and emission reducing and sustainable development best，relation of bio-energy industrialization development and eco-irrigation area construction was analyzed deeply and across-the-board based on stating bio-energy resource potential，necessity of bio-energy industrialization，bio-energy industrialization technology and bio-energy industrialization development potential.The bio-energy industrialization is the indiscerptible section of eco-irrigation area health development and one of the most eco-irrigation area significant construction contents.The eco-irrigation area construction is powerful supporter of bio-energy industrialization development.The eco-irrigation area construction strengthens economic competitive strength and provides safety guarantee of raw material，immense consumption market and perfect bio-energy trade market for bio-energy industrialization development.It is science reference for decision makers to deal with relation of bio-energy industrialization development and eco-irrigation area construction and impels bio-energy industrialization and eco-irrigation area construction integrated development.
Sewage Treatment Technology of Rural Decentralized Purification Tank
Dou Jinxi, Guo Yuming
2017, 7(2): 60-64.
Abstract(409) [PDF 1241KB](214)
Abstract:
The national agricultural sustainable development planning，clearly pointed out that beautiful countryside and green small town construction were important parts of modern agriculture development.However，the current system of human and livestock pollution in rural areas is backward，pollution sources are scattered，and governance task is arduous.According to rural environmental governance need to solve problem of decentralized wastewater treatment，development situation of decentralized type sewage treatment technology was introduced，dispersion of Johkasou technology was studied，and decentralized type purification tank for sewage treatment engineering design and application were analyzed.The conclusions provided a reference for new rural construction technology selection and policy making.
Practice and Thinking of Rural Garbage Treatment：Taking Xinzhuang Village，Xingshou Town，Changping District of Beijing City as an Example
Tang Yingying
2017, 7(2): 65-67.
Abstract(315) [PDF 511KB](158)
Abstract:
With construction of new socialist countryside from point to surface，rural waste management from practical level has made substantial progress and in-depth.From analysis of garbage classification in Beijing Xinzhuang village，it could be seen that rural garbage control model should solve three problems of‘subject，mode and mechanism’，in order to carry out effective promotion in the future.
Isolation and Denitrification Characteristics of Salt-tolerant Aerobic Denitrifying Bacterial Strain X12
Si Yuanyuan, Chen Xinghan, Xu kaihang, Yu Xiangyong
2017, 7(2): 68-71.
Abstract(318) [PDF 2912KB](124)
Abstract:
A heterotrophic nitrification-aerobic denitrification bacterium named X12 was isolated from the filter mouth of Dongping shrimp pond，Gram negative bacteria，bacillus.The characteristics of denitrification of X12 was studied under different conditions and the optimal conditions for its growth and denitrification were followed as carbon source was sodium citrate，30 ℃，160 r/min，pH 7.0.Increasing of nitrogen concentration in the medium and immobilization technology were to be studied in the subsequent step.This strain showed great potential in biological nitrogen removal of wastewater with high salt from mariculture and industries.
Benefit Analysis Formula and Application of Grain Dryers Example of Early Rice
Zhao Ning, Tan Lixin, Xie Zhaoyang
2017, 7(2): 72-79.
Abstract(746) [PDF 1014KB](210)
Abstract:
Benefit Analysis Formula and Application of Grain Dryers Example of Early Rice
Research Status of Horizontal Hydraulic Oil Pressing Equipment
Liu Yinzhi, Li Shaohua, Zeng Xiangju, Zhu Guangfei, Yang Xiao, Guo Rui, Hou Chaolei
2017, 7(2): 80-83.
Abstract(338) [PDF 796KB](169)
Abstract:
Horizontal hydraulic pressing equipment is one kind of oil pressing equipment.Working principle and advantages of the equipment were firstly described.Then importance of research on oil pressing characteristics was analyzed，which was important for development of horizontal hydraulic oil pressing equipment.Last，it was introduced that research status of horizontal hydraulic oil pressing equipment in China.At the same time，the orientation of research and development of horizontal hydraulic oil pressing equipment was clarified under new situation，which would provide references for research and development of horizontal hydraulic oil pressing equipment.
Nutritional Health Function and Product Development of Millet
Li Munan, Lan Fengying
2017, 7(2): 84-90.
Abstract(321) [PDF 1060KB](207)
Abstract:
Millet was used as material，and its nutrient composition，nutrition and health function and millet product development were studied.In the aspects of nutrient composition and nutrition and health function，carbohydrate，protein，fat and so on were discussed.In the product development aspect，millet oil，millet beverage，millet baking product and dispensing food were discussed.Further analysis of research hotspots and research progress was done for the future of millet research direction and content of reference.
Production Process of Nutritional Biscuit with Powder of Flammulina velutipes Root
Fu Shiyu, Chen Hongwei, Chen Anhui, Shao Ying, Zhu Yunlan, Shen Mingyu, Ge Zhichao, Zou Mi, Xia Xiaoyu
2017, 7(2): 91-95.
Abstract(429) [PDF 1912KB](189)
Abstract:
Flammulina velutipes root was grinded into powder，and added into flour.Flammulina velutipes nutritious biscuit with high nutritional value and unique taste was made.It not only reduced environmental pollution caused by waste edible fungi，but also enriched deep processed products of edible fungi.Response surface methodology was used to optimize production process of nutrition biscuit with power of Flammulina velutipes root based on single factor experiments.The results indicated that optimum conditions were as follows：wheat flour 1 sample，the power of Flammulina velutipes root 20%，whole milk power 10%，sugar 20%，soybean oil 16%，baking soda 4%，salt 2.2%.Under these conditions，the biscuit appearance was evenly in thickness，slight yellow，crisp and possess the special aroma of Flammulina velutipes.
Research on Integration between Small Watershed Comprehensive Management and‘Beautiful Countryside’Construction in Xiamen City：A Case of Guoyun River
Gao Xi, Xue Xiongzhi
2017, 7(2): 96-101.
Abstract(439) [PDF 12422KB](130)
Abstract:
Watershed comprehensive management is a hot issue of environmental sustainable development.In recent years，China′s rapid economic development has drived to the development of various industries in rural areas.But at the same time，it also brought a series of problems of non-point source pollution.Exploring new model of water pollution control and finding new way to solve problems of agricultural non-point source pollution were imminent things.‘Beautiful countryside’construction strategy was put forward at the end of 2012.It had brought new opportunities for rural construction，and also had a positive role in promoting improvement of rural natural environment.A case study of Guoyun river basin of Haicang district in Xiamen city of Fujian province，positive effect of‘beautiful countryside’construction on water quality improvement，especially the improvement of agricultural non-point source pollution was discussed based on the water quality monitoring data.Effective integration relationship between‘Beautiful countryside’construction and watershed comprehensive management was analyzed.Feasibility and safeguard measures of their integration were discussed.Research results showed that‘beautiful countryside’construction could taking‘rich people，ecological beauty’as the general principle，changing the ecological environment resources as development base.While protecting the sustainable development of natural ecological environment，it promoted watershed comprehensive management and improvement of villagers′ living and production level.
Impact of‘Business Tax Replaced by Value Added Tax’on Rural Construction Land Reclamation Engineering in Current Quota Valuation Mode
Ma Jie, Liu Jinzhao, Ge Miao
2017, 7(2): 102-106.
Abstract(437) [PDF 1571KB](169)
Abstract:
Taking the rural construction land reclamation project in Chongqing as the research object，referring to the relevant policy and literature of‘business tax replaced by value added tax’，the project was divided into four types，influence of‘business tax replaced by value added tax’on the reclamation project of rural construction land in Chongqing was analyzed，and some suggestions were puts forward.Research suggested that after‘business tax replaced by value added tax’construction，cost or tax of projects supported by affiliated construction，project with mechanical and manual dismantling，projects supported by mechanical dismantling mainly reduced 0.27%、0.45%、5.35%，respectively.Cost or tax of projects supported by manual dismantling increased 9.40% averagely.
Structural Design and Performance Test of Fruit and Vegetable Picking Manipulator
Wang Lili, Fan Jinwei, Zhao Bo, Wei Chongfeng, Sun Xiaowen, Hu Xiaoan
2017, 7(2): 107-113.
Abstract(472) [PDF 3554KB](135)
Abstract:
An articulated manipulator with 4-DOF for fruit and vegetable picking was developed aiming at small harvesting space of greenhouse.Three-dimensional model of manipulator was established by SolidWorks software.Dynamics analysis model was set up by the method of Lagrange.Then statics，kinematics and dynamics simulation analysis of the manipulator were carried out by ADAMS and ANSYS software.Statics simulation results showed that maximum stress of manipulator was 8.181 8 MPa and maximum deformation was 0.000 329 11 m，which could meet requirements with reasonable structure design.Kinematics simulation results showed that this manipulator could accurately reach target location and its movement process was smooth.Dynamic simulation results showed that maximum moment of each joint were in safety and reasonable range.In order to further verify rationality of design，performance tests of fruit and vegetable picking manipulator were carried out.Experimental results showed that maximum positioning error of manipulator was ±2.5 mm，average error was ±1.1 mm，and load capacity was within 3 kg.The movement of manipulator was smooth，which could satisfy requirement of fruit and vegetable picking.
Design and Analysis of Transverse Grass Pushing Device with Multi Rod
Tang Weiguo, Liu Jinhao, Li Cun
2017, 7(2): 114-117.
Abstract(311) [PDF 2163KB](131)
Abstract:
Stereo sand-fixation equipment can realize paving of straw-sand barrier belts automatically.Transverse grass pushing device is one key component of grass grid ttransverse-paving system.According to the tasks to be done for straw checkerboard paving device，a new link mechanism which could suit for working environment and finish pushing-straw task was designed.Using computer simulation technology and inertia force balance principle，improved design on overturning-straw board of grass pushing mechanism was carried out.Dynamics simulation of grass pushing mechanism was made by Adams software.Results showed that optimized structure has been improved than before optimization in terms of force.Prototype test results showed that the device met the requirements of strength and design function.
Design and Test on a Kind of Sorghum Combined Harvesting Device
Li Yaogang
2017, 7(2): 118-121.
Abstract(251) [PDF 1645KB](151)
Abstract:
Taking Futian Leiwo Gushen 4LZ-2 type combine harvester as basic model，a kind of sorghum combined harvesting device was researched and designed.Some key components including header，intermediate conveying device，threshing part and cleaning part were refitted and designed.Field tests showed that the harvesting device mounted on self-propelled grain combine could meet agronomic requirements of sorghum harvesting.Its operating performance indicators met design requirements.Its advantages were modern design，reasonable layout，compact structure and easy installation.And it had a good application prospect in sorghum planting area in China.
Exploration and Practice on Cultivating of Agricultural Engineering Postgraduate
Ding Youchun
2017, 7(2): 122-124.
Abstract(261) [PDF 514KB](209)
Abstract:
Agricultural engineering postgraduate is an important force to promote the development of national agricultural modernization.Aiming at how to cultivating agricultural engineering postgraduate with both ability and political integrity，‘four early’which consisted of early direction，early subject，early action and early achievement was put forward in order to train excellent professional knowledge and skill of students.‘four emphasis’was throughout the teaching process，which included emphasizing teaching by precept and example，emphasizing solidarity assistance，emphasizing practice and innovation，emphasizing humanistic concern.Cultivation of graduate′s character and thought was paid attention to in order to truly realize moral education and‘whole-person education’.Practice of postgraduate cultivation showed that postgraduates′ professional skill and humanity were greatly improved with the clear goals.
Teaching Reform of Computer Culture Basic Course for Engineering College Students：Taking Hainan University as an Example
Feng Aiguo, Chen Zheng, Li Chunyan
2017, 7(2): 125-126.
Abstract(223) [PDF 330KB](148)
Abstract:
With continuous development of science and technology，computer level should be improved for college students.Foundation course of computer cultural has been needed to make corresponding reform and adaptation.According to engineering courses，combined with actual situation of teaching，taking Hainan university as an example，application of computer，and students′ learning needs for computer were introduced.Some suggestions of computer curriculum reform were put forward.
Exploration of English Classroom Teaching for Agricultural Engineering Major
Xu Yufeng
2017, 7(2): 127-128.
Abstract(241) [PDF 298KB](146)
Abstract:
With development of science and technology and increasingly deepening exchanges between different countries，the demand for English-learning is stronger.College English classroom teaching is extremely important for English learning.The problems existing in English classroom teaching education of agricultural engineering major mainly are：the way to teach is rigid，practical training is not enough，and materials used in class are not closely related to professional application.Teachers should be innovative in English classroom teaching of agricultural engineering major，teach basic English knowledge and at the same time，enhance professional application.
Test and Research on Virus-free Rapid Propagation Technology and Micro Bud Grafting Technology of Citrus
Chen Guohua, Chen Dongyi, Ma Wenqing, Chen Xintao, Huang Chunhua, Hu Qunying, Huang Fang, Ye Xiulin
2017, 7(2): 129-132.
Abstract(281) [PDF 5757KB](123)
Abstract:
Using Citrus sinensis Osbeck cv.Hongjiang and Citrus Shatangju，virus-free adventitious buds were formed by inducing culture.Complete non-toxic plants were cultured by grafting seedling to rootstock seedling.Test results showed that success rate of explant sterilization was 86%，optimum medium of induction of adventitious buds was MT+6-BA 3.0 mg/L+ IBA 0.1 mg/L+KT 0.1 mg/L.Optimum medium of adventitious bud subculture was MT+6-BA 2.0 mg/L+IBA 0.1 mg/L and proliferation coefficient was 2.3.Seedling rate of stock seed reached 90%.Average survival rate of micrograft reached 87%.This study provided a new way of rapid propagation for Citrus virus-free seedling.
Occurrence Regularity and Control Technology of Lixus subtilis Boheman on Quinoa
Zhang Jinliang, Mei Li, Zhang Guifen, Yuan Zhiqiang, Guo Zijun, Yue Jin
2017, 7(2): 133-135.
Abstract(257) [PDF 484KB](164)
Abstract:
Lixus subtilis Boheman has been becoming an important pest insect infesting quinoa in Beijing recently.Morphological and biological characteristics of Lixus subtilis Boheman were knowed by field observation test.1 or 2 generations Lixus subtilis Boheman would happen in Beijing.5 control measures including plant quarantine，seed coating，cleaning field，chemical control and biological control were put forward.
Nutritional Efficacy and Cultivation Techniques of Organic Soybean
Zhang Donghui, Yang Qingchun, Geng Zhen, Zhang Baoliang, Shu Wentao, Li Jinhua, Li Qiong
2017, 7(2): 136-137.
Abstract(253) [PDF 381KB](169)
Abstract:
Organic soybean is rich in nutrients and its nutritional efficacy is obvious.Cultivation techniques of organic soybean were introduced.It laid foundation for meeting needs of consumption and improving quality of soybean production.
Development Suggestions of Hainan National Modern Agricultural Demonstration Garden under Background of Industry Integration：Based on Experience of Taicang City and Huzhou City
Zhang Songxin
2017, 7(2): 138-142.
Abstract(272) [PDF 947KB](192)
Abstract:
Under background of industry integration，national modern agriculture demonstration garden is a closed-loop ecological system of agricultural technology research，agricultural industry development，agricultural industry chain extension，and agricultural product marketing.It is an important measure for adjustment of agricultural structure，transformation and upgrading of industry，transformation of agricultural technology achievements，and increase of farmers′ income.Based on experience of Taicang city and Huzhou city，development of Hainan national modern agricultural demonstration garden was researched，and some countermeasures to speed up development were put forward.
Development and Prospect of Target Price of Agricultural Products
Wang Yajing, Wen Shuangya, Gao Zhiqiang
2017, 7(2): 143-145.
Abstract(331) [PDF 498KB](171)
Abstract:
Based on systematic study of relevant literature on target price of agricultural products，concept，necessity，theoretical researches and practices of target price of agricultural products were literature reviewed.It also pointed out direction in the research.For example，target price must carry out double-track price system，which was subsidy policy guaranteeing nation grain safety and price insurance support market mechanism.Target price must establish a calculating model to realize changes along with the area.Relying on agricultural information technology support，continuous collection of agricultural production and operation of panel data，were technical basis to achieve precise measurement of target price.
Construction of Agricultural Science and Technology Service System with Multi-agent Coordination
Liu Hao, Gao Zhiqiang
2017, 7(2): 146-149.
Abstract(177) [PDF 926KB](138)
Abstract:
Through analysis of evolution and development trend of agricultural science and technology service，operation mode and mechanism of agricultural science and technology service system with multiple main bodies were put forward.Government，agricultural institutions，scientific research institutes，agricultural production and management entities，etc.constitute agricultural science and technology service system with multi-diversified entities to promote agricultural science and technology innovation，agricultural technology promotion，agricultural production services and agricultural culture.
Research on Jiangsu Agriculture Industry Structure Based on Gray Relational Analysis
Zhang Tao
2017, 7(2): 150-152.
Abstract(262) [PDF 472KB](140)
Abstract:
Based on the data of Jiangsu agricultural industry from 2006 to 2015，gray system correlation analysis method was used to analyze correlation between Jiangsu each industry and total agricultural output value.In order to facilitate analysis results，the study was divided into two stages.It showed that agriculture and fishery production value had the highest correlation with the total output value of Jiangsu agricultural industry，the next were service industry，forestry and animal husbandry.Countermeasures and suggestions for Jiangsu agricultural industry structure adjustment and development were put forward.
Introduction of PPP Model for Rural Infrastructure Construction
Zhou Meihua, Wang Chengwu, Song Jianhua
2017, 7(2): 153-154.
Abstract(284) [PDF 353KB](135)
Abstract:
At present，development of rural infrastructure is slow.Rural infrastructure construction is subject to village scale，geographical location and local fiscal capacity factors.Introduction of new finance main body would effectively promote development of rural infrastructure construction in China.PPP mode breaks through traditional financing model barriers.Its multi-channel financing mode makes up for the lack of local financial funds，could effectively improve construction，operation and supervision efficiency of rural infrastructure.Based on study of problems and reasons of rural infrastructure，suggestion of using PPP model was put forward.
Discussion on Green Ecological Agriculture Development
Peng Wei, Zhang Meiyan, Cao Junfeng
2017, 7(2): 155-156.
Abstract(224) [PDF 326KB](186)
Abstract:
Green ecological centered agriculture is a tendency of modern agriculture development.Advocation of green agriculture and ecological agriculture can help to promote sustainable development of agriculture in our country and enhance progress of agriculture modernization.Nowadays，green ecological agricultural in our country has been made great effect to some extent.But there are still some problems need to be solved，such as lack of technology input，low degree of industrial structure and management disorder.In order to improve progress of green ecological centered agriculture development in our country，many suggestions were mentioned，such as relying on science and technology innovation，optimizing industrial structure，reinforcing laws and regulations and giving more publicity to education on knowledge of agriculture.Such reform and exploration should be paid more attention by contemporary government.

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