农业工程

Research of Pickup and Side-beam Traction Baler

Wang Xiongwei, Jing Quanrong, Yan Xiaohui, Zhou Peiqing

2012, 2(9): 1-3.

Abstract(642) [PDF 936KB](7)

Abstract:
Straw is a good renewable energy in our country.For solving problems of straw collection after crop harvested，and realizing at a large scale，a pickup and side-beam traction baler was designed.Structure and operating principle of baler were described.Through analyzing the related problems in an example of a project，main technical parameters and some parts of design ideas were confirmed.

Mechanization Conservational Tillage Technology Progress in Rice-Wheat Rotation Field in the Yangtze River Delta Area

Zhang Ligang, Xia Xiaodong, Miao Dongping

2012, 2(9): 4-8.

Abstract(818) [PDF 1142KB](5)

Abstract:
Conservational tillage technology originated in the United States had been used in many countries of the five continents on the world by development from the mid-20th century to now. It had been fully demonstrated and extended conservational tillage technology in the arid area of north of China，while it was still in the stage of experiment and research about conservation tillage diversity and adaptability in the wheat-rice double cropping area and double cropping rice region of south of China.Taking Yangtze River Delta region for emphasis，traditional precision farming technology and the past of equipment were recalled in the rice-wheat rotation field，analyzed necessity for technology innovation，and recited the technological advances in the past 30 years. Based on the investigation and experiment，combined with the media information，successes and failures about the main technology models and typical equipment were analyzed and evaluated at present，and further explorations about‘less ground-breaking，multi-covering’，combination of farm machinery with agronomy，and acceleration innovation of technology and machinery were proposed.

Status Quo and Prospect of Vegetable Transplanting Mechanization Technology in Tianjin City

Chen Fang

2012, 2(9): 9-10.

Abstract(510) [PDF 432KB](5)

Abstract:
Development status of vegetable transplanter in China and their service condition in Tianjin city were briefly introduced.Types and features of vegetable transplanter were analyzed；problems existing in vegetable transplanting mechanization development were indicated.And future development recommendations were proposed.

Status Quo，Problems and Improvement Measures of Rice Mechanized Transplanting in Tianjin City

Han Chunhong, Yu Fuan

2012, 2(9): 11-13.

Abstract(774) [PDF 421KB](4)

Abstract:
Rice mechanized transplanting developed rapidly since 2009，area of mechanized transplanting showed more than 50%.Because of extreme weather（like high temperature，low temperature，high wind，etc.），simple and crude mode of mechanized transplanting，disperse seedling place，low control level，high salinity in water，and so on，phenomenon like bad seedling and transplanting seedling death happened extensively.There are some suggestions which of promoting factory seedling，improving seedling technique，and improving rice field water quality for ensuring rice mechanized transplanting production.

Influence Factors and Improvement Measures on Corn Machine Sowing Quality

Li Huimin, Jiang Lianhua, Gu Zaixing

2012, 2(9): 14-16.

Abstract(623) [PDF 372KB](6)

Abstract:
According to practical problems in corn machine sowing operations of users，general quality problems of corn machine sowing were summed，and resulting problems were indicated.Agronomic standardized operation of machine sowing was provided.Reasons of operation quality were analyzed.And approaches and improvement measures were proposed.

Intelligent Control System of Root Layer Water-Fertilization in Greenhouse Based on Wireless Sensor Network

Luo Keyong, Tao Jianping, Liu Jun, Zheng Hongqian, Yan Jianmin

2012, 2(9): 17-22.

Abstract(564) [PDF 1112KB](7)

Abstract:
Based on the situation that our nation is seriously lack of water and excessive use of fertilizers，for the object of saving water and rational fertilization，by collecting temperature and humidity in soil，temperature and humidity in air，light radiation，according to crop information analysis system of plant cultivation expert，to make decision required amount of irrigation water and fertilizers.Solenoid valves，pipes，nano-porous tube and the negative pressure of the root layer automatically adjust the control of the water and fertilizer supply，to Automate root layer of micro-irrigation，optimize the growth of plant growth environment，improve water use efficiency.According to the characteristics of farness，disperse and inconstancy of agriculture in China，the design of greenhouse information collection monitoring and control system is presented based on the technology of ZigBee wireless sensor technology，the ARM embedded technology，the Internet network and modern information management.A variety of information collection，management，analysis and dissemination to provide new ideas，new means for the greenhouse monitoring system.

Status Quo and Development Countermeasures of Village-level E-government

Zhao Limin, Liao Guiping, Chen Yan, Yao Yuansen, Zhao Xing

2012, 2(9): 23-26.

Abstract(675) [PDF 709KB](4)

Abstract:
New rural e-government is an effective measure and key component for solving the‘last kilometer’problem of rural informatization in our country.And it is conducive to realize resource integration，project management and information communication of new rural informatization service.Importance and barrier of new rural e-government were analyzed.Content and mode of Village-level e-government construction were summaried.It provides a meaningful reference for new rural e-government constructers.

Application of MCU Technology in Facility Agriculture of the Yellow River Delta

Song Licheng, Sun Yan, Hu Yanfeng

2012, 2(9): 27-29.

Abstract(498) [PDF 576KB](3)

Abstract:
In recent years，single chip microcomputer technology was widely applicated in many fields in China.Now，ability of resistance to natural disasters and environment control of solar greenhouses were really weak.Hardware and software of single chip microcomputer were designed with 89C51 as core component.Parts of hardware included sampling circuit，interface circuits between AD converter and single chip microcomputer，single chip microcomputer and memory circuit，etc.Parts of software were all programmed with assembly language，it included main program，data collection and digital filtering subprograms，etc.Finally，simulation experiment was did with Matlab program.Results showed that system was good at feasibility and control function.

Facility Grape Cultivation Technology Points

Fan Jing

2012, 2(9): 30-32.

Abstract(629) [PDF 466KB](4)

Abstract:
Main points of cultivation techniques and facilities grapes were discussed from culture field and mode selection，variety selection，water management，plastic clip，temperature and humidity management with low temperature circumstances，disease and insect control，etc.It provides detailed technical basis for grape cultivation.

Acidic Electrolyzed Water Sterilization Technology in Application of Agriculture

Wang Chunfang, Yu Yong, He Jinsong, Zhu Songming

2012, 2(9): 33-37.

Abstract(622) [PDF 629KB](6)

Abstract:
Electrolyzed water is generated through electrolysis of dilute salt solution or hydrochloric acid in an electric field.It is characterized in two types，acidic electrolyzed water and alkaline electrolyzed water，by the electrolysis extent.Acidic electrolyzed water was reported to exhibit strong antibacterial activity against many pathogens with instant，a high effectiveness，safety，and no chemical residues.The principle of producing electrolyzed water and sterilization mechanism of acidic electrolyzed water were discussed in the paper.The research and application of acidic electrolyzed water sterilization technology in planting，breeding industry and the processing industry of agricultural products were also reviewed.And the future development of the technology was put forward on these bases.

Application of Hydrolyzed Collagen in Dairy Products

Liu Aiqing, Wang Haiyan, Ding Fengjuan

2012, 2(9): 38-40.

Abstract(494) [PDF 602KB](5)

Abstract:
Source of hydrolyzed collagen，physiological function and application status quo and prospect in dairy products were reviewed.

Irrigation District Rehabilitation and Water-saving Corollary Reform Project in Ningxia Large-sized Irrigation DistrictTaking the Second Farm Canal as Case

Zhao Minglan, Zhang Ju, Li Wangqi

2012, 2(9): 41-45.

Abstract(515) [PDF 1387KB](4)

Abstract:
Ningxia large-sized irrigation district rehabilitation and water-saving corollary projects started in 1998.Comprehensive control capacity of channels was increased.Water-saving awareness in whole irrigation district area had further improved.‘Two changes and one improvement’ project was steadily promoted.Some measures like control and reinforcement water，conservation and efficiency，and so on had achieved remarkable results.However，most of irrigation district water conservancy were transformation and build on the basis of the original in the 1950s and ′60s.Because of some questions（large scale of irrigation district，lots of issues left over from history，weakness of irrigation works infrastructure，large demand of reform，and limitations of financial investment），some outstanding issues（imperfection of water resource integrated control system，low rate of canal lining，serious aging of large scale pumping station，poor drainage，weak flood-prevention system of main channel，lack of management facilities，and so on）had to be resolved.Utilization coefficient of irrigation water was only 0.41.So this irrigation district had become one of the most seriously aging irrigation areas.

Evaluation Analysis of Rural Ground Water Quality as Drinking Water in Anda City

Zhan Lihong, Li Tienan, Ding Hong

2012, 2(9): 46-48.

Abstract(616) [PDF 369KB](3)

Abstract:
According to Quality Standard for Ground Water GBT 14848-1993 and Standards for Drinking Water Quality GB 5749-2006，comprehensive evaluation of ground water quality and hygiene analysis of drinking water were analyzed in Shengping town and Yangcao town，Anda city.Comprehensive evaluation results showed that ground water quality was poor（Ⅰ type）.Hygiene analysis results showed that Fe ion concentration was 3.77 times as larger as that in the standard，and Mn ion concentration was 5.27 times.Other indicators met criteria.Ground water could be drunk with water disposal and purification for Fe ion and Mn ion.

Discussion of City and Town Construction Land Management

Huang Xiaoyu, Yao Mingguo

2012, 2(9): 49-50.

Abstract(643) [PDF 308KB](4)

Abstract:
According to existing problems of city and town construction land management，causes of these problems were ascertained，and approaches were proposed.It provides some references for exploring meet the needs of land use management mode with city and town development.

Design of Painting Line Preheating Furnace of Ductile Iron Pipe

Cao Junfeng, Wang Hua, Wang Fuxing, Xiao Yuqing

2012, 2(9): 51-54.

Abstract(712) [PDF 431KB](3)

Abstract:
Accurate technology data were provided for design of preheating furnace with the calculation of heating power of painting line of ductile iron pipe.Optimum design could reduce cost of preheating furnace and improve productivity.Operating practice proved that this method could fulfill the requirement of design and manufacturing of similar instruments.

Design and Research of Self-propelled Special Vehicle forBiogas Residue and Biogas Slurry Pumping

Xu Haigang, Guo Ming, Qu Chengxin

2012, 2(9): 55-58.

Abstract(603) [PDF 684KB](4)

Abstract:
With the rapid development of rural biogas project construction in China，the equipment condition of input and ouput material of methane tank were needed to upgrade and improve.Characteristics of running and pumping of self-propelled equipment for biogas residue and biogas slurry pumping were briefly introduced.Working principle of suction feeding structure were described.Design methods of corresponding parts were introduced，and complete R&D program were formed.

Power Match of Engine for Mountain Sugarcane Harvester in Yunnan Province

Fang Weishan, Yang Junmin, Niu Xianwei, Yang Yunfu, Wang Huazhun, Tang Ruixue

2012, 2(9): 59-62.

Abstract(720) [PDF 498KB](4)

Abstract:
Research method in engine power options for mountain sugarcane harvester was discussed in Yunnan province.Engine least power matching for mountain sugarcane harvester at high altitudes and soil specific draught areas was got by analyzing harvester work conditions，and calculating power consumption.

Flow Characteristic and Compensation of the Control Valve

Xiao Yuqing, Cao Junfeng, Wang Hua, Wang Fuxing

2012, 2(9): 63-65.

Abstract(520) [PDF 437KB](3)

Abstract:
Ideal flow characteristic of control valve were analyzed. Mutual transformation compensation function among the typical ideal characteristics of flow were given.

Promote Three Conversions，Build Modern Agricultural Service SystemTaking Social Service Innovation Practice of Beijing Vocational College of Agricultural as Case

Du Baode, Wang Lihong

2012, 2(9): 66-69.

Abstract(338) [PDF 536KB](3)

Abstract:
Three conversions （from project to object， from personal to organization，from decentralization to intensive）were focused by Beijing Vocational College of Agricultural. Three big challenges faced by modern university service system were correctly handled.Scientific research and social service work were overall promoted.Services factors inside and outside of college were integrated.Pertinence，effectiveness and ordering of social service were improved.To build ‘the one main stem with many other branches’in modern agriculture service system，it needs to systematically and scientifically plan among three levels of local governments，functional departments and research institutions.

Anti-rust Identification of Soybean Germplasm Resources

Long Huaying

2012, 2(9): 70-74.

Abstract(723) [PDF 829KB](3)

Abstract:
One of the important diseases of soybean rust caused by jicama stripe rust（Phakopsora pachyrihzi Syd）seriously affected growth of soybean.One of the most cost-effective ways to combat the disease is breeding for disease resistance，and screening of resistance resources is the basis for work of breeding for disease resistance.Inoculum concentrations of soybean rust identification were determined by indoor in vitro leaf infection.Optimum inoculum concentration was 100 sporesμL each piece of soybean leaves，inoculum size was 2 μL.Attack time was five days，and urediospores were released from sorus on the seventh day.Disease resistance of 296 varieties of soybean to soybean rust had been identified with microscopic observation and molecular detection techniques.Preliminary screening results showed that only Daqingren showed resistance.And this variety showed obvious disease symptoms after repeated inoculation identification.Rust fungus on infected leaves could be detected by PCR.According to this variety，results showed resistance after repeated inoculation，and other varieties showed susceptibility.

Operating Principle and Management System of Agricultural Mechanical CooperativesA Case of Jinchuang Agricultural Mechanical Cooperative in Darhan Moominggan Banner

Han Zhu

2012, 2(9): 75-78.

Abstract(563) [PDF 565KB](3)

Abstract:
By stating the theories of agricultural mechanical cooperative and social service function， this paper analyses the multiple investment system，the running system of Four-integrating and One-separating and scientific management system of the agricultural mechanical cooperatives in Darhan Moominggan Banner.At the same time，the paper points out their problems such as unreasonable structure of agricultural mechanical equipments，systematic restrictions of agricultural mechanical cooperative development，imperfect cooperative system，unstandardized management and so on. In order to develop agricultural mechanical cooperatives，we should improve the education and training of staff，promote inner management system and management effect，and enlarge business scale.

Benefits of Harvester front Extension in Reducing Canola Harvest Losses（Extracts）

M.Amin Asoodar, Y. Izadinia

2012, 2(9): 79-81.

Abstract(539) [PDF 350KB](3)

Abstract:
Today in Iran，the cultivation of oilseed rape has been developed in all areas throughout the country.However，there are now some difficulties with land preparation，crop cultivation，and grain harvesting of this operation.Therefore，mechanized harvesting is completed using new technical operations；some arrangements were made with current common grain combine harvester companies and also several adjunct header extensions were added to the grain combine platform.The mechanized harvesting systems experienced considerable losses，especially with common combine platforms，as a consequence of lack of proficiency and also due to the need of specific machine components for canola harvesting. To study the effects of a modified platform and two platform extensions on canola grain loss，an experiment was conducted with respect to the quantity and the recognition causes of the losses. These models included the current cereal platform；Hamed，a platform extension which was made in Iran；and a Bizo platform extension using mechanical and hydraulic side knife cutter bars respectively.A statistically randomized complete block design was applied with six replications.Seed loss was measured with trays placed in the ripening crop prior to harvest.The results demonstrated that header extensions could decrease the amount of loss in a combine harvester with an increase in the distance between the platform auger and the cutter bar.Therefore，considering the total amount of loss，the significant differences were particularly found between the current cereal platforms and the other two extension platforms.Headers using side vertical cutting reduced losses to 71 kghm2 compared to 599 kghm2 where the common combine platform was applied.Furthermore，using hydraulic system instead of mechanical system and double knife cutter bar instead of the single cutter bar helps to decrease the amount of grain loss.39.60 kghm2 shattering seed loss was measured and from this rate it was 1.12% of total harvested yield.This rate was not a considerable amount of loss，and by improving the combine harvester conditions and adding a header extension at harvesting，the grain loss can be reduced.

5430i Series Self-Propelled Plant Protection Machine of John Deere Company

Wu Qingfen

2012, 2(9): 82-84.

Abstract(501) [PDF 542KB](4)

Abstract:
Technical characteristics of major structural of 5430i self-propelled plant protection machines for John Deere Company was briefly introduced.It provides a reference for China′s further research and development of the innovative self-propelled plant protection machine.

2012, 2(9): 85-85.

Abstract(503) [PDF 187KB](3)

Abstract:

2012 Vol. 2, No. 9

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