农业工程

Development Situation of Round Baler in Foreign Countries

YANG Li

2020, 10(1): 1-5.

Abstract(172) [PDF 12074KB](10)

Abstract:
Research status of foreign round baler was introduced in detail，and some representative models were listed.The difference of round baler products was summarized from technical principle and functional characteristics.The development of round bale machine should not only meet requirements of equipment reliability and adaptability，but also reduce production cost and improve operation performance.

Problems and Thoughts on Mechanized Harvesting Technology of Buckwheat in China

LU Qi, ZHENG Decong, LIU Yun, LI Lihong, XU Bing, YE Shaobo

2020, 10(1): 6-9.

Abstract(211) [PDF 581KB](12)

Abstract:
Buckwheat is a kind of small miscellaneous grain，which is planted in a large areas in alpine regions or hilly areas in China.But mechanized harvesting level of buckwheat is low，available machines are less，and harvest quality is poor.In order to improve mechanized harvesting level of buckwheat in China，dominant planting area and mechanized harvesting characteristics of buckwheat in China were introduced，problems existing in mechanized harvesting technology were analyzed，and corresponding suggestions and countermeasures were put forward.

Current Status and Suggestions on Agriculture Scale Production in Shandong Province

WANG Bo, PAN Zhiguo, JIANG Fan, CHEN Chuanqiang, HU Wenfang

2020, 10(1): 10-13.

Abstract(145) [PDF 620KB](10)

Abstract:
At present，moderate scale operation of land was vigorously promoted，intensive，large-scale and mechanized level of agricultural production had been significantly improved，the equipment structure had been continuously optimized，and the cooperation situation had been rising in Shandong.Focusing on how to better promote large-scale agricultural production in Shandong，a survey in some farmers′ professional cooperatives in Shandong was conducted.It was found that there were some problems in the regional level of mechanization development，such as imbalance，insufficient supply，insufficient supply of professional talents，and poor agricultural development environment.Through in-depth analysis of current situation and problems of large-scale agricultural production in Shandong province，some specific suggestions from aspects of promoting mechanization of weak links and weak industries，optimizing development environment of large-scale operation organizations，and standardizing internal governance of large-scale operation organizations were put forward，so as to promote large-scale agricultural production in Shandong province.

Experimental Study on Crawler Type Narrow Width Mini Deep Loosening Machine

HU Wenwei, NIE Hualin, CHEN Xuefei, LIU Mingjie, QI Jianbo, DING Jianxiang

2020, 10(1): 14-17.

Abstract(159) [PDF 3751KB](8)

Abstract:
In recent years，subsoiling as conservation tillage has been widely applied throughout the country. In view of the site conditions such as slopes，tea gardens and greenhouses that conventional tractors can not go to due to the limitation of terrain and agronomy，several experiments had been carried out on the power，walking mechanism and subsoiling shovel of the narrow mini loosening machine，and a new mode of subsoiling operation with 7.35 kW miniature diesel engine and rubber track walking mechanism had been explored. Field experiments showed that qualified rate of subsoiling depth，qualified rate of adjacent row spacing and lost tillage met relevant industry standards of subsoiling operation quality. It provides an important reference for further research on narrow width mini loosening machine and promoting deep loosening operation in hilly and mountainous areas，tea gardens and greenhouses.

Research Status and Development Trend of Orchard Weeder

YUN Xin, LV Meng, WANG Wenbin, SONG Changbo, HOU Xiuning, ZHAO Jiyun, WANG Jie, SHAO Shushan, ZHANG Xuemin

2020, 10(1): 18-21.

Abstract(157) [PDF 676KB](12)

Abstract:
Weeds in orchards are one of important factors affecting yield and quality of fruit trees.Research status of typical orchard weeding machines at home and abroad were expounded，structural characteristics，working principles and application scope of several typical orchard weeding machines were summarized，and existing problems and development trends of mechanization of orchard weeding in China were pointed out，that could provide a reference for development of full mechanization of orchard in China.

Control System of Intelligent Mowing Robot Based on PLC

XU Weifeng, LIU Shan

2020, 10(1): 22-25.

Abstract(175) [PDF 2956KB](12)

Abstract:
Based on analysis of current market of mower and control system of intelligent mowing robot，a set of intelligent mowing robot control system was designed，which combined sensor detection technology，DC motor drive technology，PLC control technology，GPS positioning technology and touch screen human-computer interaction technology.It had characteristics of stable operation，safety and reliability，fast response，and greatly improves the efficiency of mowing.At the same time，positioning accuracy error of intelligent mowing robot was reduced，mowing efficiency was greatly improved，and degree of intelligence was also greatly improved.

Application of Satellite Remote Sensing Technology in Meteorological Service for Agriculture

MA Shiqin, MA Zhiqiang

2020, 10(1): 26-30.

Abstract(166) [PDF 657KB](11)

Abstract:
The related work done in satellite remote sensing by scholars both in China and other countries were briefly reviewed.The main contents of this paper included satellite remote sensing data，image processing and revision，recognition of ground targets，crop yield prediction，development of satellite remote sensing，establishment of satellite remote sensing database，establishment of prediction model，precipitation monitoring，ground temperature monitoring and freezing，soil monitoring，disaster monitoring，gas monitoring，satellite cloud image application，and the integration of different types of satellite remote sensing technology.Application status of satellite remote sensing technology in meteorological services for agriculture were analyzed on the basis of introducing monitoring principle of satellite remote sensing technology.It was urgent to strengthen application of satellite remote sensing technology in meteorological services for agriculture.And the application of satellite remote sensing technology in agroclimatic regionalization，crop planting planning，monitoring and management of crop growth period，pest control，disaster prevention，crop yield forecast，fire prevention and benefit assessment of agrometeorological service were discussed.It was emphasized that application of satellite remote sensing technology should be strengthened，and satellite remote sensing data should be developed and utilized to greatest extent，so as to make satellite remote sensing technology play a greater role in agricultural production practice.

Development of Active Brake Control System for Driverless Tractor

JIANG Bin

2020, 10(1): 31-34.

Abstract(129) [PDF 2434KB](7)

Abstract:
Active brake control system of driverless tractor was studied，and environment sensing system and anti-collision module of cloud platform were studied.By combining active brake control system with environment awareness system and cloud platform anti-collision module，automatic control of active brake control system of driverless tractor was realized，which ensured safety of driverless tractor.

Forecast Emergency Technical Method and Popularization General Situation of Agrometeorological Disasters in China

XUE Fengguo, QU Bingyang, HAN Liang, LU Mingming

2020, 10(1): 35-37.

Abstract(125) [PDF 456KB](9)

Abstract:
Principles and developments of several meteorological disaster prediction emergency technologies commonly used in China were analyzed to improve ability of agricultural managers to respond to emergency response of agricultural emergencies，reduce economic losses caused by meteorological disasters.

Goodness-of-Fit Test Method for Heat Damage Probability of Rice at Booting Stage in High Temperature and Hot Weather in Zhejiang

ZHAN Pinghua, JIANG Tao, LI Qiang, ZHENG Lei, YANG Xu

2020, 10(1): 38-41.

Abstract(167) [PDF 2610KB](8)

Abstract:
In order to avoid or reduce impact of high temperature heat damage on booting stage of rice，a heat damage probability prediction model was established，and the chi-square test method was used to determine its fitness.Results showed that degree of fit between predicted temperature value and actual temperature value was high.The model can effectively predict probability of occurrence of heat damage in rice fields and classify risk level of high temperature heat damage.

Application of Acoustic Physical Technology in Agricultural Production

XIE Xinxin

2020, 10(1): 42-44.

Abstract(129) [PDF 488KB](7)

Abstract:
The application principles and application forms of sonic physical technology in the fields of irrigation water and fertilizer measurement，non-destructive testing of fruits and vegetables，and storage pest and rodent detection were described.Several opinions were proposed for problems and future development directions in application of this technology in various fields.

Residual Plastic Film Content and Distribution in Soil of the 8th Division of Xinjiang Production and Construction Grops

KA Nate, ZHANG Xingyao, LI Weijun, WANG Hui

2020, 10(1): 45-47.

Abstract(126) [PDF 390KB](8)

Abstract:
Residual film samples were collected on farmland of the 8th Division of Xinjiang Production and Construction Corps，and the residual film content and quantity of farmland in different areas at different sampling depths were analyzed，with a view of providing references for the design of residual film recovery machinery as well as the formulation of residual membrane recovery strategy.

Technology and Squeezing Parameters Optimization of Low-temperature and Cold-pressed Extraction of Walnut Oil

YAN Shengkun, YANG Jiapeng, WANG Qinghui, YANG Liling

2020, 10(1): 48-52.

Abstract(160) [PDF 658KB](7)

Abstract:
In order to obtain high quality walnut oil，pilot experiment of shell breaking，separation and low temperature screw cold-pressed technology was carried out by taking“Xinxin 2”as research object.Effect of material granularity on oil yield，and effect of squeezing parameters（outlet diameter and pressing shaft speed）of cold-pressed extraction technology on residual oil rate and crushing efficiency were studied，optimum process conditions were obtained as：walnut kernel grain size was 10 mm，pressing temperature was 35 ℃，squeeze moisture content was 8%，pressing shaft speed was 60 r/min and outlet diameter was 6 mm，oil extraction rate could reach 40% at optimum process conditions.Integrate cold pressed device with walnut shell breaking and shell kernel separation production line，that form a low-temperature and cold-pressed walnut oil production line，which could provide a solid foundation for industrial production of cold pressing walnut oil.

Condition Optimization of Immobilized Yeast on Cornel-grape Wine Continuous Fermentation

WANG Feng, YAO Ruiqi, QIAN Shuanti, QIN Jingyuan

2020, 10(1): 53-56.

Abstract(137) [PDF 671KB](7)

Abstract:
Yeast cell was immobilized by sodium alginate as the carrier.The technology optimization of immobilized continuous fermentation of cornel-grape wine was studied.The optimum immobilization conditions were determined as follows through orthogonal experiments，based on this，the optimum continuous fermentation conditions were selected.Results were as follows：concentration of carrier was 2%，concentration of calcium chloride was 3%，immobilizing time was 2 h，continuous fermentation temperature was 23 ℃，filling rate was 30%，dilution rate was 0.01/h.There was no significant difference between traditional fermentation and continuous fermentation in main physicochemical and sensory indexes.

Overall Solution of Ecological Restoration and Drinking Water Safety in Semi-arid Region of Loess Plateau

XING Jiewei

2020, 10(1): 57-59.

Abstract(148) [PDF 485KB](9)

Abstract:
In the semi-arid region of the Loess Plateau，there are less precipitation，more evaporation，fewer water resources，and extremely fragile ecological environment.With rapid development of social economy and population scale，economic resources and ecological environment in the region are facing more pressure.Most rivers are seriously polluted and have lost their ability to repair and purify themselves.The underground water level has dropped sharply，causing serious drinking difficulties for people and livestock in cities and rural areas.Taking Fenhe River Basin as an example，the water environment and water ecological status of the basin were analyzed in detail，and comprehensive improvement measures were put forward：in the semi-arid region of the Loess Plateau where the ecology was fragile，the concept of water conservancy development in the new era of people-oriented and ecological priority must be adhered to，traditional concept of water conservancy projects focusing on industrial and agricultural water use should be completely abandoned，and the water conservancy projects of people's livelihood should be taken as the starting point for large-scale construction and large-scale development，so as to comprehensively solved the urban and rural water diversion，water supply and drainage projects，drinking water safety projects and sewage treatment projects and give priority to ensuring the drinking water.

Application and Strategy of Farmland Water Conservancy Engineering Technology

ZHEN Shufeng, ZHOU Bo

2020, 10(1): 60-63.

Abstract(128) [PDF 660KB](12)

Abstract:
As a technical means to resist natural disasters such as flood and drought，farmland water conservancy project has always been an important guarantee for farmers to increase their production and income.From perspectives of farmland irrigation technology，drainage technology and irrigation area management technology，the above three aspects were explored and studied to improve existing engineering facilities.

Application of 3S Technology in Agricultural Census

LI Xuejing, HU Xingyu

2020, 10(1): 64-66.

Abstract(150) [PDF 511KB](8)

Abstract:
Application of 3S technology to agricultural census projects is a combination of modern information technology and agricultural surveys.Main work of 3S technology applied in agricultural census were composed of first measurement，second measurement and spatial distribution measurement by taking national agricultural census as an example，and each work was expounded detailed，finally，future development prospects of 3S technology were discussed.

Innovative Design of Maize Ear Distribution Device Based on TRIZ Theory

SHEN Xiaoqing, CAO Shuxing, LI Junwei, HAN Liying, LIU Xiwang, ZHANG Kexing

2020, 10(1): 67-72.

Abstract(227) [PDF 23367KB](6)

Abstract:
Domestic and foreign maize harvesting modes were studied，and advantages and disadvantages of ear distribution device used in mainstream maize harvester on market were analyzed.In view of ubiquitous unequal ear distribution，which would lead to uneven load of each peeling channel in next process and cause unbalanced degree of peeling roller wear in each group，finally would reduce reliability of whole peeling device machine，a new type of ear distribution device was designed by adopting TRIZ theory for innovative design.

Grinding Method Optimization of Cinnamon

LU Dongdong, YANG Tieniu, YANG Baojian, YE Rongwei, YANG Ya, DU Huana

2020, 10(1): 73-78.

Abstract(151) [PDF 6143KB](8)

Abstract:
Due to the quality of cinnamon was affected by residue of surface peel，in order to improve value of cinnamon，method of polishing surface peel with flower head was studied.An experimental platform was established by lathe of HM5-L3.The experimental data was collected，saved and processed in real time by the LABVIEW platform of data acquisition.The load and output voltage were linearly fitted by the least square method combined with MATLAB.The maximum relative error of fitting was 5.31%.The accuracy met measurement requirements.Therefore，feasibility of the method was verified by analyzing polishing data.The relation between feed and maximum load in the range of 3-5 mm was given，and maximum relative error was 1.98% when the diameter of cinnamon was 55-65 mm.

Practice of Excellent Agriculture and Forestry Talents Training Mode in Agricultural Machinery Under Vision of“New Engineering”

WANG Shengsheng, ZHOU Hao, ZHOU Hanmi, XIE Xiaolin, JIN Xin

2020, 10(1): 79-81.

Abstract(200) [PDF 475KB](6)

Abstract:
Under background of national“new engineering”education reform，more excellent agricultural and forestry talents suitable for development of agricultural machinery industry are cultivated.The development demand of excellent agricultural and forestry talents was guidance in the major of agricultural mechanization and automation.Based on the“three platforms”，training mode of high-quality composite talents of new engineering was to give full play to multi-disciplinary advantages of comprehensive universities，and fully mobilize all resources for training of high-quality students of composite application.

Exploration of Practice Teaching of Agricultural Engineering

GUO Wenwen, WANG Jie

2020, 10(1): 82-85.

Abstract(148) [PDF 595KB](7)

Abstract:
As an important part of the three pillars of agricultural science，Agricultural Engineering is an applied discipline that directly serves agriculture. According to characteristics of agricultural engineering specialty and current teaching situation of agricultural engineering，innovation and optimization of teaching methods were carried out with cultivation of practical talents as the core. A diversified practical teaching platform of“classroom experiment-school practice-enterprise practice”was set up to improve comprehensive quality of agricultural engineering students.

Review of Effects of Water Stress on Fruit Quality of Table Grapes

YANG Changyu, ZHANG Rui, LIN Baojun, WANG Tengfei, WANG Chunhong

2020, 10(1): 86-91.

Abstract(244) [PDF 855KB](6)

Abstract:
Scientific and effective irrigation methods are of great significance for growth and development of table grapes and intensive use of water resources.Aiming at current research status of table grape in China，based on a large number of domestic and foreign literatures，effects of water stress on appearance and intrinsic quality of table grape fruit were systematically summarized，and prospects for its research were put forward，that could provide a practical and theoretical basis for development of a reasonable and scientific water management model for plant cultivation in China.

Adaptability Evaluation of Different Fresh Soybean Varieties in Chifeng Area

SUN Yudan

2020, 10(1): 92-94.

Abstract(134) [PDF 428KB](7)

Abstract:
In recent years，fresh soybean planting industry was developed vigorously in Chifeng area of Inner Mongolia.Considering present situation of climate conditions in Chifeng area and to ensure yield of local fresh soybean，adaptability of 11 fresh soybean varieties in Chifeng area was evaluated，and then high yield cultivation techniques of fresh soybean were studied.

Breeding and Transplanting Techniques of Test-tube Seedlings of Wild Lycium ruthenicum Murray

LIU Jiawei, HE Lijun, CHEN Haijun, GAO Fenhong, CHEN Jiawei, WANG Wenjing, GUO Juan

2020, 10(1): 95-97.

Abstract(137) [PDF 502KB](8)

Abstract:
In order to improve survival rate of test tube seedlings under cultivation of wild Lycium ruthenicum Murray seed tissue，test tube seedling transplanted in Golmud district of Qinghai province was research object，growth process and seedling technology under tissue culture were systematically analyzed，and growth characteristics and cultivation techniques of test tube seedlings were analyzed.In order to provide an effective theoretical reference for transplantation and seedling raising techniques of test-tube seedlings of wild Lycium ruthenicum Murray on the basis of genetic breeding of wild Lycium ruthenicum Murray.

Application of Biotechnology in Control of Forest Diseases and Insect Pests

LI Dingming

2020, 10(1): 98-100.

Abstract(152) [PDF 481KB](7)

Abstract:
Biotechnology is a new method in modern forest pest control，and its development speed is also fastest.Compared with chemical control，biological control not only has high efficiency in killing insects，but also could effectively prevent and control pests and produce drug resistance.At the same time，it would not damage original ecosystem.Application of biotechnology in prevention and control of forest diseases and insect pests was discussed in terms of microbial agents，biological natural enemies，biological lights，pathogen preservation and gene transfer.

Modern Agricultural Development Mode in Northern Farming-pastoral Ecotone：Taking Ma-tou Mountain Piece Area in Inner Mongolia as an Example

TIAN Yihui, LI Shengli, BAI Chunming, ZHENG Kun, ZHANG Tianzhu

2020, 10(1): 101-108.

Abstract(154) [PDF 9451KB](7)

Abstract:
Taking the natural resource endowment，agricultural industry foundation，regional policy guidance，market demand and development direction of the Matoushan area in Liangcheng as research content，it was proposed that the development of modern agriculture in the northern farming-pastoral zone should be based on industrial agglomeration strategies.Field research，method of combining statistical analysis，mathematical simulation，micro-quantitative calculation and macro-qualitative analysis，a compound ecological agriculture model of agriculture，animal husbandry and forestry，a circular agriculture model within the carrying capacity of the environment，and a leisure agriculture model governed by manual intervention，interlacing agriculture and animal husbandry was constructed.The construction of regional ecological environment and the revitalization of rural areas have important theoretical and practical significance.

Evaluation of Soybean Production and Export Prospects in Kazakhstan

LIU Zuxin, ZHAO Yuelong

2020, 10(1): 109-112.

Abstract(165) [PDF 621KB](9)

Abstract:
Kazakhstan is one of the most important countries in agriculture production of Central Asia，and a significant exporter of agricultural products in the world.It has great potential for enhancing soybean planting with abundant agricultural resources.China is the largest consumer and importer of soybean，which mainly imports from Brazil，United States and Argentina.Due to the constraints of resources to expanding soybean production，meeting soybean consumption through imports will continue for a long time.However，uncertainty and risk of soybean imports have increased，as negative changes of trade environment.To ensure stable supply of soybean，it is important to accelerate diversification of soybean imports.The characteristics，constrains and potentials of agricultural production conditions，soybean supply and demand were summarized and predicted，at the same time，future developments of soybean industry in Kazakhstan were analyzed，future cooperation between China and Kazakhstan in the soybean industry was proposed.

Thoughts on Innovation Development of Agricultural Cooperative in Shaanxi Under Strategy of Rural Revitalization

JIANG Fengxiang, DU Moutao, REN Dapeng, LIU Tong, LI Yu

2020, 10(1): 113-115.

Abstract(138) [PDF 487KB](6)

Abstract:
Under background of rural revitalization strategy，strengthening innovation and development of Shaanxi agricultural cooperatives will help to adjust agricultural industrial structure of Shaanxi province，promote high-quality development of Shaanxi agriculture，improve vitality and vitality of rural economy，which will increase income of farmers，and then promote implementation of rural revitalization strategy.The innovative development ideas of Shaanxi agricultural cooperatives were analyzed under background of rural revitalization strategy.

Fruit Tree Pest Control Performance Evaluation System Based on Green Ecological Concept

SU Chengcai

2020, 10(1): 116-118.

Abstract(130) [PDF 395KB](6)

Abstract:
In view of accelerating speed of popularization and application of ecological control technology of fruit tree diseases and pests，a relatively perfect analysis and evaluation system by using analytic hierarchy process were established，so as to lay a solid theoretical foundation for performance evaluation of prevention and control work.

Construction of Two-way Business Circulation Organization System Based on Background of Urban and Rural Dual Economic Structure

XUE Jia

2020, 10(1): 119-121.

Abstract(126) [PDF 451KB](6)

Abstract:
Under influence of unbalanced distribution of economic development elements，economic structure of our country had obvious duality，level of social urbanization and industrialization was low，and overall production level of rural areas was not high.Taking dual economic structure of our country as research object，how to construct two-way trade circulation system of urban and rural areas in line with actual situation of our country and reality of economic development was analyzed in order to provide some reference for improving coordination of urban and rural economic development and lay a solid economic foundation for realization of Chinese Dream.

Construction of Agro-ecological Garden Complex

GONG Yuanyuan, AI Hongzhi, WANG Jie

2020, 10(1): 122-124.

Abstract(136) [PDF 493KB](6)

Abstract:
Under background of global tourism，construction of agro-ecological garden complex is the most regarded.Market integration development ideas of agro-ecological garden complex were explored，application modes of agro-ecological garden were also discussed under construction of global tourism ideas，and specific methods of optimizing pilot construction of agro-ecological garden complex on basis of industrial integration were proposed.

Development Constraints and Solutions of Rural E-commerce in China

WANG Yang, KANG Peng, XU Mingliang

2020, 10(1): 125-127.

Abstract(140) [PDF 487KB](5)

Abstract:
China is a large agricultural country，and attaches more and more importance to agriculture，rural areas and farmers.Rural e-commerce is conducive to optimize allocation of rural resources and improve level of rural economic development.However，development of current rural e-commerce has some prominent constraints，these constraints were analyzed and some reasonable and effective solutions were given.

2020 Vol. 10, No. 1

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