农业工程

Strengthen Research and Practice of Agricultural Engineering，Realization of Agricultural Modernization in China

Tao Dinglai

2011, 1(3): 1-5.

Abstract(863) [PDF 2510KB](7)

Abstract:
Agricultural engineering discipline is important material basis and necessary measure for agricultural modernization.In the new historical conditions，how to develop modern agriculture is an urgent problem faced by science and technology workers to study and to solve.According to author′s many years of long-term research and practice，China′s historic agricultural achievements and important role of agricultural engineering were summed up.At the same time，implication of agricultural engineering was defined，and some aspects of agricultural engineering should be improved.

Historical Appearance‘Agricultural Mechanization’in‘On Contradiction’from 1952Research of‘Agricultural Mechanization’in‘On Contradiction’（August 1937）

Zhang Lanshui

2011, 1(3): 6-8.

Abstract(1286) [PDF 1168KB](4)

Abstract:
‘The contradiction between the working class and the peasant class in socialist society is resolved by the method of collectivization and mechanization in agriculture’in‘On Contradiction’（August 1937）from‘Selected Works of Mao Tse-Tung’.All the time，that was recognized as the first discussion‘agricultural mechanization’ with Chinese Communists in agricultural machinery industry in the modern history.August 11，2011，from the Communist Party Literature Research Center confirmed，‘On Contradiction’born 1937‘Dialectic Materialism，（teaching outline）’in‘Contradictory Unity Rule’，which reads‘the contradiction between the proletariat and the peasants is resolved by the socializing agriculture’，the text no‘agricultural mechanization’.About‘agricultural mechanization’was used，Mao Zedong supplied supplement and modifies for‘On Contradictions’pre-publication.False consciousness was revised by this discovery in agricultural sector in China.

Introduction and Discussion of Cornstalk Utilization Technology in China

Wu Hongxin, Cao Hongguo, Han Zengde, Wang Gaobin, Yan Xingling

2011, 1(3): 9-12.

Abstract(956) [PDF 1442KB](8)

Abstract:
Utilization technology system of cornstalk was summarized.Typical application patterns were described in detail，which included fertilizer，feedstuff，industrial raw materials，biomass energy，etc.Existing problems and prospects were discussed.Research and development and promotion application for cornstalk utilization should be further strengthened，thus can improve social and ecological benefits of cornstalk utilization，and achieve sustainable agricultural development.

Status Quo and Strategy of Agricultural Mechanization Level of Planting Industry in Xinjiang

Hu Xiaokui, Ou Xingjiang

2011, 1(3): 13-16.

Abstract(1061) [PDF 1817KB](7)

Abstract:
To enhance the comprehensive level of agricultural mechanization in Xinjiang，according to statistical data in 2009 and 2010，some questions were analyzed and discussed，including the crop planting structure in Xinjiang，the fundamental state of agriculture mechanization level，the current problems，and policy measures for improving level of agriculture mechanization.These could provide useful help for workers who are engaged in agricultural mechanization research and extension.

Development of Agricultural Social Services and Promotion of Modern Agriculture in Guangdong Province

Wang Minjie

2011, 1(3): 17-21.

Abstract(980) [PDF 2011KB](6)

Abstract:
It is an important task and maid theme to upgrade level of agricultural equipment that is to promote change of agricultural development mode.Agricultural equipment level and agricultural social service system were an important symbol of agricultural development level in a region.At the same time，agricultural equipment level and agricultural social service system were not only to the agricultural management reputation and agricultural mechanization development，but also to directly affect the efficiency of agricultural production and the enthusiasm of agricultural machinery users.Therefore，it is worthy of all kinds of agricultural management to researching how to improve agricultural machinery level and social service system in Guangdong region.

Agricultural Machinery′s Promotion and Identification Capacity Analysis and Laboratory Building in Hubei Province

Zhang Wen'ge

2011, 1(3): 22-25.

Abstract(911) [PDF 1598KB](3)

Abstract:
Agricultural machinery′s Promotion and identification capacity is a comprehensive ability，which is accuratly evaluating operating performance，suitability，reliability and security of farm machinery，issueing identification data and results to the community.Hubei Agricultural Machinery Identification Station had provincial identification capability.Although it reached the standard of agency qualifications，facility environment，equipment，quality systems，staff quality and management mechanisms，there were still many problems，such as aging equipment，irrational personnel structure and not fully tested models.To meet the growing needs of farm machinery market，it needs to invest in hardware，establish a new laboratory and test bed，enhance the ability to identify and expand the scope of identification products，provide a reliable selection basis for implementing the agricultural machinery purchase subsidies and the farmers to choose suitable products.

Research and Development of Intelligent Agricultural Machinery on Precision Agriculture

Zhang Xiaochao, Hu Xiaoan, Yuan Yanwei, Zhao Bo, Wei Liguo

2011, 1(3): 26-32.

Abstract(1258) [PDF 3427KB](5)

Abstract:
Reliable measurement and control devices for multi-purpose applications were designed for precision agriculture.Some major breakthrough were achieved in some respects about large-scale real-time variable rate fertilizer technology，automatic weed identification technology based on computer vision technology and combines real-time detection technology of production.Combine grain flow measurement methods with our own intellectual property had been established.Our original practical products about smart on-line rice transplater and automatic variable rate fertilizer applicator had been produced.Tests showed that these products have high technology，low cost，high accuracy and usefulness of a strong overall advantage.Tests showed that these products have high technology，low cost，high accuracy and usefulness of a strong overall advantage.

Development of Sensing Technology and Its Application in Modern Agriculture

Xu Danhua, Dai Jingshuang

2011, 1(3): 33-36.

Abstract(1154) [PDF 1615KB](4)

Abstract:
In recent years，a rapid development of sensing technology was achieved.New principles，new materials and new technologies for sensor were emerging.Sensor in relation to Economic，social and other important fields development had a wide range of applications.Application of sensing technology in agriculture were outlined.Development and application status in agriculture（etc.optical sensors，biomimetic sensors and microelectro mechanical systems sensors）were introduced.Prospects of internet of things and integrated application of sensor in wireless sensor network were prospects.Industrialization development requires cooperation and jointly promote in areas such as production，learning and research.Significance of sensor industry development was expounded.

Development and Challenge of Biological Fuel in China

Xiao Mingsong

2011, 1(3): 37-43.

Abstract(1098) [PDF 3029KB](4)

Abstract:
Biofuel development history，background and development of the status quo in China were introduced.Under current conditions of biofuels in China，chief obstacles in progress were introduced，and may be triggered by social，environmental，economic and other aspects of problems were discussed in detail.

Aquaculture Drugs and Safety of Aquatic Products

Wang Yutang, Lv Yonghui

2011, 1(3): 44-49.

Abstract(1191) [PDF 2593KB](3)

Abstract:
Based on the analysis of our current fishery drugs production，management and usage，this paper indicated the aquaculture drug problems，summarized the work of aquaculture standard medication which is guided by aquaculture extension system.It proposed the recommendations of enhancing farmed fish safety management and effective control of drug residues.

Reaction Kinetics of Methyl Esterification for Biodiesel from Tea Seed Oil

Peng Zhongjin, Ma Chengjin, Xiao Wang, Huang Ting, Zheng Junxiao, Xiang Yongping

2011, 1(3): 50-52.

Abstract(1051) [PDF 1202KB](4)

Abstract:
At 60℃ and 70℃，the reaction kinetics of methyl esterification preparation of biodiesel from tea seed oil was studied with mole ratio of methanol to oil 9∶1 and KOH catalyst dosage（mass percent of oil）1.0%.A macro-kinetic equation for the methyl esterification of tea seed oil was established based on the equation of curve fitted by Origin software.The experimental results show that the reaction order of methyl esterification of tea seed oil is 1.3，the reaction activation energy is 29.22 kJmol and frequency factor is 2.5×104 mol·L-1·min-1.

Scavenging Function of Intracellular Polysaccharide of Enriched Selenium Cordyceps Militaris on Radical

Zhu Yunlan, Chen Hongwei, Zhang Cheng

2011, 1(3): 53-57.

Abstract(1099) [PDF 1712KB](3)

Abstract:
Intracellular polysaccharide of enriched selenium Cordyceps militaris used as material，with the methods of Pyrogallol，Fenton and the function of scavenging DPPH，studied the antioxidant capability of enriched selenium intracellular polysaccharide of C.militaris.The result showed：the polysaccharide abundant with selenium had better functions of scavenging superoxide anion radical，hydroxyl radical and DPPH.Compared with the control，the capability of scavenging radical was significant for the selenium polysaccharide.From the point of the radical type，compared with the control，the capability of scavenging DPPH was the highest，followed by hydroxyl radical and superoxide anion radical.

Study on the Stability of Plant Protein Drinks

Li Lixuan

2011, 1(3): 58-60.

Abstract(967) [PDF 1141KB](3)

Abstract:
Plant protein drinks become popular recently because this kind of drinks are natural，nutrient，green and so on.Whenever mentioned，more and more attentions have been paid to the stability of plant protein drinks.Chemical，physical and microbial factors which affect the stability of plant protein drinks were discussed in this paper.

Determination of Soil Nitrate Nitrogen Ion Chromatography

Liu Shuai, Lv Liang

2011, 1(3): 61-64.

Abstract(1118) [PDF 1329KB](3)

Abstract:
This paper was established a method to analyze the nitrate nitrogen content in soil by ion chromatography.The different sample treating conditions were compared and then an optimized method was built.Soil samples were extracted by 0.01 molL calcium chloride solution in a sampleextraction ratio（VW）of 1∶5 with oscillating water bath for 30min in 20～25℃.Then the nitrate nitrogen was separated by anion exchange chromatography with KOH as elution buffer，and then detected by electrical conductivity detector.The results of accuracy and exactitude experiments showed that this method could be used to determination of nitrate nitrogen in most kinds of soil.

Instantaneous Profile Method Experiment Application by Using the Soil Hydraulic Conductivity Automatic Test System

Li Chunyan, Li Hongyan, Shi Lixia

2011, 1(3): 65-67.

Abstract(1119) [PDF 1362KB](3)

Abstract:
Hydraulic conductivity is the conduct capacity of water movement in soil；it is an important parameter to reflecting the relationship of unsaturated soil hydraulic conductivity with water content or matric potential.Two kinds of soil tests carried out three times by using TS-4 type soil hydraulic conductivity test system.The results showed that the automatic measurement system had properties of convenient and efficient，high precision.It provides an effective method for laboratory simulation of unsaturated soil water movement parameter determination experiment.

Empirical Study on Relationship between Spatial Differentiation ofLand Use and Regional Development

Zhang Lingli, Hao Jinmin, Yuan Quanzhi

2011, 1(3): 68-72.

Abstract(1109) [PDF 2088KB](9)

Abstract:
The purpose of this paper is to verify the relationship between regional development and spatial differentiation of land use，by analyzing unbalanced development area.Weifang city was taken as a study area in the project，this paper constructed an evaluating model by principle components analysis and cluster analysis methods，summarize rules of spatial differentiation of land use by applying landscape patterns analysis method，studied that relationship by adopting correlation analysis method finally.The results explained that patch density（PD）and landscape fractal dimension（PAFRAC）had a strong correlation with regional development.It was concluded that regional development was closely linked with spatial pattern changes of land use，which could be reflected by PD and PAFRAC well.

Evaluation of Land Health Based on Composite Index MethodA Case Study of Zaoyang City in Hubei Province

Wang Fei, Yang Le, Ma Zhiyu

2011, 1(3): 73-76.

Abstract(1263) [PDF 1924KB](3)

Abstract:
Taking Zaoyang city，Hubei province as a case，index system of land health evaluation was established .and land health status were assessed in 12 townships by Delphi method，analytic hierarchy process method and composite index method.The results showed that Wudian town and Xinglong town were healthy zone，Xinshi town and Taiping town were unhealthy zone，the others were sub-healthy zone.And then，relevant policy recommendations were made based on evaluation results.It is proved guidance for healthy and sustainable land-use in Zaoyang city.

Design on Conveying and Placing Device of 4SY-1.8 Rape Windrower

Jin Xin, Shu Caixia

2011, 1(3): 77-82.

Abstract(1081) [PDF 2166KB](5)

Abstract:
According to the current trend of mechanization in harvesting rape and the agronomic requirements，the key component of the 4SY-1.8 rape windrower-conveyer handling systems had been designed，the main structural and operating parameters of conveying and placement system，including telescopic cylinder，roller stand，conveying belt，making swath device and so on had been analyzed and confirmed.The field test indicated that the average angle of stem placement was 50.33°，it could satisfy the agronomic requirement of different rape harvesting stages and the mechanical picking up follow-up operation.

Internal Flow Field Simulation and Structure Parameters Optimization of Centrifugal Fan of Snow Remover

Song Jianjun, Liu Yibin, Ma Wenxing, Deng Hongchao, Bian Lijuan

2011, 1(3): 83-87.

Abstract(1133) [PDF 1920KB](5)

Abstract:
When a centrifugal fan of snow remover works，there is a three-dimensional，unsteady and incompressible gas-solid two-phase flow in the fan.Based on vehicle parameters and snow removing requirements，a centrifugal fan of snow remover was designed and its internal flow field was simlated by CFD（Computational Fluid Dynamics），which preliminarily reveals its velocity and pressure distributions.Then the optimization analysis was carried out on its structure and a centrifugal fan with high efficiency was four pieces of blades and 10° backward.

Testing System Design of Hydrdulic Proportionl Valve and Servo Valve

Wang Bingshi, Yan Herong, Zhu Jun, Zhang Tie, Wang Jinjiang

2011, 1(3): 88-90.

Abstract(1011) [PDF 1035KB](3)

Abstract:
In order to accurately evaluate electro-hydraulic proportional and servo valve performance strengths and weaknesses，testing theory，operating conditions and test circuit were researched and analyzed.And test system of hydraulic proportional valve and servo valve was designed.The test system based on the pressure difference on both sides of the valve and valve leakage，not only to determine the proportional valve and servo valve performance situation，but also to guide the improvement of processing technology to improve manufacturing precision valve.

Anticorrosion System of Sacrificial Anode for Steel Gate Used in Water Diversion of Dike-pond Aquaculture Fisheries

Pan Xiaodong

2011, 1(3): 91-93.

Abstract(898) [PDF 847KB](8)

Abstract:
For the steel gate in sea water easily corrosion characteristics， the steel gate work in sea water adopted anticorrosion system of sacrificial anode to ensure that the steel gate metal structure for the safe operation，and service life of steel gate was extended.

Shaping Technology Exploration of Vehicle Body by Computer-aided

Li Xinguang

2011, 1(3): 94-95.

Abstract(897) [PDF 1088KB](3)

Abstract:
Body panels such as fenders，engine cover，trunk lid，doors，etc.are mostly made of thin steel prefabricated，they are squeezed by the collision or bump，which will cause permanent deformation.This damage often occurs only in the body of the local range.Its repair should be based on the form and extent of damage to take the appropriate repair methods.In the process of automotive sheet metal spray，the usage of computers for data acquisition and processing guides technicians to operate and repair quality inspection and monitoring.

Applications of Geographic Information System（GIS）and Geostatistics（GS）in the Insect Ecology

Hao Liwu

2011, 1(3): 96-99.

Abstract(741) [PDF 1466KB](4)

Abstract:
This paper systematically discussed the applications of Geographic Information System（GIS）and Geological Statistics（GS）in the insect ecology，and their future applications fields were look forward.In the application of insect ecology，GIS mainly used the temporal-spatial analysis and overlay analysis to find out the suitable habitat and influencing factors.GS mainly concentrated in the spatial pattern of distribution，pests space interpolation and estimate，population dynamics in spatial and outbreak.

Main Characteristics and Influencing Factors of China′s Agricultural Diesel Oil Consumption

Su Xiaoning, Wang Lihong, Tian Zhihong

2011, 1(3): 100-103.

Abstract(841) [PDF 1861KB](5)

Abstract:
Diesel is the main input in agricultural production. In recent years，diesel prices have risen up，increasing agricultural production costs therefore，raising the risks of price fluctuations of agricultural products.Through the analysis of the characteristics of diesel consumption，it becomes clear that agricultural diesel consumption shows an uptrend，with significant product differentiation and regional difference.In this paper，the authors create a panel data model to analyze factors affecting agricultural diesel consumption.The empirical results indicate that the mechanical power of agriculture and agricultural mechanization level are the main factors that impact the regional agricultural diesel consumption.The two factors are positively correlated respectively with agricultural unit diesel consumption.To solve the problems of excessive consumption and lack of provision，this paper tries to provide some suggestions.

Development of Agricultural Machinery Circulation Should Aim to Be Sustainable

Zhu Lihao

2011, 1(3): 104-106.

Abstract(807) [PDF 1181KB](5)

Abstract:
Agricultural machinery circulation has reached a prosperous era throughout the whole history in China，it is benefit from the agricultural machinery subsidy.As a key step of agricultural mechanization，agricultural machinery circulation takes on the responsibility range from products′ delivery and after service for the consumers.Dealers assume a majority of work for sales，first，midst and last to many manufacture，particularly it is essential to farmers about after service.A right agricultural machinery circulation repair and service system is very important for infirm farmers，for increasing development level of agriculture mechanization and for building an economical resource used society.Nowadays，several phenomena should be paied attention in the field of agricultural machinery circulation.

Russia Rediscovers Rapeseed

Christian Kowalczyk, Svenja Hansen

2011, 1(3): 107-108.

Abstract(832) [PDF 749KB](3)

Abstract:
Current situation and development objectives of rapeseed cultivation in Russia were described.The current constraints were indicated for rapeseed cultivation.Contributing factor showed to promote the development of local rapeseed crop factor.Development of Russian industrial rapeseed was briefly described.

Green Technology:Road to Sustainability

Vilas M.Salokhe

2011, 1(3): 109-110.

Abstract(665) [PDF 1194KB](3)

Abstract:
In this paper，green technology in the present and future including meaning，management，development，problems and challenges，and application prospects are systematically elaborated.It provides a reference for sustainable agriculture.

AGCO to Grow Manufacturing Presence in China Significant Investmemts in New Sites

Wang Yanhong, Xu Danhua

2011, 1(3): 111-115.

Abstract(1087) [PDF 2389KB](6)

Abstract:

2011 Vol. 1, No. 3

Online Office

Download CenterMore+