农业工程

Practice and Reflection on Promoting Production Whole-Process Mechanization of Astragalus membranaceus in Gansu Province

ZHANG Luhai, LIU Pengxia, LEI Mingcheng, BAI Lijie

2020, 10(8): 1-4.

Abstract(117) [PDF 821KB](11)

Abstract:
In order to improve the whole mechanization level of Astragalus membranaceus production，a field cultivation experiment was carried out in Dangchang county of Gansu province.Through applicability evaluation of machines and tools in key production links，machines and tools suitable for key links of Astragalus membranaceus production in the region were obtained.Finally，the prospect of promoting whole process mechanization of Astragalus membranaceus production was put forward.

Mechanized Planting Mode of Wheat and Corn in Shandong Province

WANG Bo, MA Genzhong, JIANG Mingbo, JI Xiaoyu

2020, 10(8): 5-10.

Abstract(68) [PDF 2011KB](13)

Abstract:
By investigating production situation of 75 new-type agricultural management organizations in Shandong province，production status and existing problems of Shandong wheat and corn planting specifications，various links operating methods，and mechanical equipment under large-scale production conditions were analyzed.A mechanized planting mode of wheat and corn suitable for large-scale production was put forward，and technical requirements for each link operation were also put forward.

Influencing Factors of Agricultural Machinery Products Quality

ZHAO Qingliang

2020, 10(8): 11-13.

Abstract(62) [PDF 438KB](7)

Abstract:
Main factors about affecting quality of agricultural machinery products were analyzed from design，manufacturing，use and maintenance，which could provide references for agricultural machinery technical workers s and manufacturers to improve product quality.

Quality Status and Countermeasures of Seeder

DING Jianmin

2020, 10(8): 14-16.

Abstract(37) [PDF 491KB](9)

Abstract:
As one of planting machine which is widely used，seeder plays an important role in agricultural production.Some existing quality problems in seeder product were analyzed，and some corresponding countermeasures on this base were put forward.

Influencing Factors of Agricultural Machinery Total Power in Jiangxi Province Based on Panel Data

ZHANG Lina, CAO Jianbin, LIU Jiancun, XU Zheng, ZHAO Qingliang, WANG Yan, LI Daoyi

2020, 10(8): 17-21.

Abstract(92) [PDF 573KB](9)

Abstract:
In order to determine main reasons for change of agricultural machinery total power，according to relevant statistical data of Jiangxi province from 1994 to 2018，five main indicators affecting total power growth of agricultural machinery in Jiangxi province were selected，including planting structure，grain output，per capita disposable income of farmers，proportion of employment in the primary industry and total financial income of Jiangxi province.By using method of stepwise multiple regression analysis，main factors influencing change of rice agricultural machinery total power in Jiangxi province were explained as planting structure（i.e.ratio of rice planting area to total planting area of crops）and proportion of the first industry employees.Combined with actual situation of Jiangxi province，some specific countermeasures and suggestions were put forward，such as stabilizing grain planting area，creating a good farming environment，comprehensively considering policy factors and technical factors，and formulating reasonable subsidy policies according to local conditions.

Key Techniques of Peanut Mechanized Harvesting

ZHAO Guoqiang

2020, 10(8): 22-24.

Abstract(103) [PDF 454KB](10)

Abstract:
Key points of peanut mechanized harvesting technology is to fully improve technical level of grassroots agricultural machinery service personnel and field agricultural machinery operation personnel on existing agriculture and agricultural machinery technology development level，standardize technical standards of peanut mechanized harvesting operations，and ensure high quality and efficient operation of peanut harvesting machinery.Main content of peanut mechanized harvesting technology includes preparation before operation，field operation requirements and technical service guarantee.

Technology and Equipment of Forage Semi Dry Silage

ZHAI Gaixia, DAI Xiaojun, WANG Qiang, YANG Li, HE Gang, DONG Jiajia

2020, 10(8): 25-28.

Abstract(63) [PDF 13993KB](10)

Abstract:
Forage is an important basis for development of animal husbandry.Technology of forage semi dry silage was discussed.Current technical level and development trend of forage semi dry silage equipment were also analyzed.It would provide reference for popularization and application of semi dry silage equipment in China.

Working Performance Test of 2TD-S2 Cultivator

LIU Jingrui

2020, 10(8): 29-31.

Abstract(99) [PDF 442KB](13)

Abstract:
In order to solve problems of high intensity，low efficiency and high cost of manual work，cultivation of sweet potato in Miyun district had been dominated by manual weeding，experiment of 2TD-S2 cultivator was carried out.Results showed that this sweet potato cultivator could eliminate weeds and cover soil in furrow in one time，and it could effectively solve problem of soil ridge collapse in field management.80% of weeds could be removed in the gentle seedling stage of sweet potato within 10 cm of ridge and slope height.If grass damage was serious，it could be used for many times in intertillage to eliminate weed damage.Labor productivity of this machine had been greatly increased compared with manual transplanting，and production cost was lower.This machine was suitable for transplanting potato seedlings in the suburbs of Beijing，the utility model could be popularized and applied in practical production.

Design of Bulk Grain Container Monitoring System Based on NB-IoT

SUN Guoqing, YUAN Yanwei, LIU Yangchun, WANG Fengzhu, WANG Meng, LI Zhuoli

2020, 10(8): 32-37.

Abstract(53) [PDF 6811KB](9)

Abstract:
Under background of“smart food”，a set of bulk grain container monitoring system with the core of STM32F407 was developed.The system relied on wireless sensor networks，and combined with some new technologies，such as low power consumption，multi-source information transmission，narrowband Internet of things，GPS/Beidou Positioning.The system used Lora communication technology to transmit and receive data，process data by distributed sensors at different nodes to remote monitoring center，and took DTU（data terminal Unit）as signal transmission medium in the cloud.The system could monitor temperature and humidity of bulk grain container in real time，and send data to remote monitoring terminal by DTU.The system was stable and reliable，which was suitable for the mode of combined transportation of railway and water，and effectively improves safety and automation level of grain circulation.

Development of Continuous Control System for Greenhouse Environment

QIAO Xiaohui, DU Shangfeng, XU Dan

2020, 10(8): 38-42.

Abstract(19) [PDF 5258KB](8)

Abstract:
A continuous control system for greenhouse environment was developed，which was mainly composed of three parts：a greenhouse environment on-site measurement and control system，an embedded server and a remote monitoring computer.Test results showed that the system could provide economical and suitable growth conditions for growth of crops in greenhouse and meet requirements of real-time and reliability of system in greenhouse production.

Design on Monitoring System of County Agricultural Product Quality and Safety：Taking Xiangyin County of Hunan Province as an Example

YIN Ping

2020, 10(8): 43-47.

Abstract(73) [PDF 2461KB](7)

Abstract:
Taking implementation of strategy of“Rural Revitalization”and“Internet+”as background，and combining local reality of Xiangyin，a quality and safety of agricultural product monitoring system was designed.The overall framework of software and function modules of the system were analyzed，and collection and query of monitoring data，analysis report，basic data management，monitoring trend warning and other aspects were elaborated.Direction and suggestions for system improvement were put forward，so as to connect with the food quality and safety supervision platform of same level market supervision and management department，and realize interconnection and sharing of monitoring information.

Design and Implementation of Meteorological Index Insurance Platform

OU Shanguo, PENG Xiaodan, HUANG Jun

2020, 10(8): 48-53.

Abstract(37) [PDF 2893KB](7)

Abstract:
Natural vulnerability of agriculture is reflected in strong dependence on weather，and change of weather determines yield income.Agricultural production is faced with meteorological and other natural disasters as well as risk of market prices.How to effectively prevent and disperse meteorological disaster risks of agricultural production is a key issue to be studied in development of agricultural economy.Doing a good job in meteorological early warning and forecasting services could effectively prevent risks of meteorological disasters，and agricultural insurance is an effective means to spread risks，among which meteorological index insurance is one of key points of agricultural insurance exploration in recent years.Based on example of Guangzhou vegetable meteorological index insurance platform，strategy of constructing meteorological index insurance platform was deeply discussed.In order to realize intelligent monitoring of meteorological data by platform through joint action of Web system and WeChat client，and assist insurance companied to quickly dispose of claims business.At the same time，with platform as the carrier，meteorological departments，insurance companies and vegetable growers jointly built a new meteorological disaster prevention system.

Research Progress of Solar Dryer at Home and Abroad

ZHANG Hongbin, LI Shiyan, LIANG Xiaojun, WANG Jinyong, LI Hongyin, DONG Shiwei

2020, 10(8): 54-57.

Abstract(77) [PDF 1088KB](9)

Abstract:
Drying is an important part of agricultural production，but also has a huge energy consumption.Application of solar energy in drying system greatly reduces consumption of fossil energy and reduces production cost.Based on previous study result，research status of solar dryer was comprehensively discussed.Development prospect of solar dryer was summarized.

Screening and Application of Fortified Functional Bacteria in Rural Wastewater Treatment Process

WEI Jilin, NIE Ling

2020, 10(8): 58-61.

Abstract(35) [PDF 686KB](7)

Abstract:
With development of rural society and economy，rural water consumption and waste water volume are increasing day by day.In order to effectively treat waste water and make it reach discharge standard stably，selection of functional strains from local domestic waste and waste water to strengthen local A/O waste water treatment system were studied.Two highly efficient COD removal bacteria and two nitrogen removal bacteria were screened from local samples and the bacteria were used in secondary A/O wastewater treatment system.Results showed that COD removal rate increased by 6.5% on average，total nitrogen removal rate increased by 11.6%，and amino nitrogen and nitro nitrogen removal rates increased by 33.0% and 26.8%.

Variation Characteristics of Thermal Resource in Korla from 1961 to 2015

LI Jinhu, WANG Sen, Yilidaerjiang·abulimiti, HU Qirui

2020, 10(8): 62-67.

Abstract(89) [PDF 1072KB](12)

Abstract:
Climate warming results in changes of heat resources，which influences on spatial distribution of agricultural production.It is instructive to study change of heat resources to rationally utilize heat resources and adjust agricultural climate index and planting structure.Variation characteristics of Korla temperature and beginning date，ending date and duration of ≥0、3、5、10、15 and 20 ℃ and frost-free beginning date，ending date and duration were studied by using daily air temperature data of Korla from 1961 to 2015，through climate tendency rate and Mann-Kendall mutation method.Results showed that mutation of Korla temperature occur in 1998，annual average temperature rise rate was 0.29 ℃/10 a（P＜0.01），1.0 ℃ warmer after mutation than before；average temperature increased by the largest in winter；beginning date of ≥0、3、5、10、15 and 20 ℃ advanced，ending date delayed，crop growing season significantly extended；accumulated temperature of ≥0、3、5、10、15 and 20 ℃ increased significantly，change rates were 80.7、80.2、85.1、69.0、75.6和103.4 d·℃/10 a；non-frost beginning date significantly increased by 4.0 d，ending date significantly delayed by 4.3 d，and number of continuous days significantly increased by 8.4 d.In the past 55 years，temperature in Korla has increased，accumulated temperature has increased，and growth season and frost-free period have been delayed.It has a positive effect on agricultural introduction and variety promotion.It is necessary to re-determine appropriate agricultural climate index and planting zoning according to status of heat resources.

Research Status of Shelling Machine for Camellia oleifera Fruit

CHEN Lidong, HU Shuzhen, REN Jiajia, XIANG Hai

2020, 10(8): 68-75.

Abstract(31) [PDF 6144KB](7)

Abstract:
Structure and working principle of common shelling machine for Camellia oleifera fruit at home and abroad were explained，and technical difficulties of sedge-seed separation were put forward，in order to provide references for design of shelling machine for Camellia oleifera fruit and promote development of Camellia oleifera fruit oil production industry.

Effects of Conservation Tillage on Soil and Water Conservation

BAI Xin, LIAO Jinyang, HU Hong, LIU Xiang, XU Yishan, YAN Qixun, HUANG Shuo

2020, 10(8): 76-82.

Abstract(113) [PDF 1128KB](13)

Abstract:
Soil erosion has become a major factor restricting sustainable development of agriculture in China，which seriously reduces soil productivity.Effects of different tillage measures on soil and water conservation was reviewed.By the method of average，experimental data on loess plateau，northeast black soil area and sand in the north area were sorted out.Influence laws of no-tillage straw mulching，deep loosening and traditional tillage on soil moisture content，soil water erosion，wind erosion and soil fertility was analyed.Results showed that compared with traditional tillage，soil moisture content of no-tillage straw mulching and deep loosening increased by 13.6% and 31.7% respectively，water use efficiency increased by 2.26 and 3.82 kg/（hm2·mm）respectively.In the black soil area of northeast China，contents of soil organic matter，available nitrogen and available phosphorus in no-tillage straw mulch and deep loosening increased by 14.8% and 7.1%，10.8% and 8.4%，10.8% and 8.4% respectively.In the sandy soil area of northwest China，no-tillage straw mulching and deep loosening could significantly reduce soil wind erosion rate.When wind speed was 10 m/s，soil wind erosion rate decreased by 90.2% and 85.0% respectively.

Effect and Experience of Land Circulation of Xiwan Village in Henan Province

LIU Yuexin, YI Zhenxie

2020, 10(8): 83-85.

Abstract(80) [PDF 487KB](8)

Abstract:
Taking Xiwan village，Qinyang city，Henan province as an example，which launched the“first gun”of China′s land circulation，process and effect of land circulation in Xiwan village were investigated.Its successful experience in improving rural social security system，strengthening team cooperation，playing a leading role，and selecting appropriate transfer mode according to terrain characteristics and resource conditions of various regions were analyzed，so as to provide certain reference for land circulation in various regions.

Measurement Method and Uncertainty Analysis for Flight Control Precision of Plant Protection UAV

MA Shuai, SU Renzhong, YANG Hongwei

2020, 10(8): 86-88.

Abstract(25) [PDF 1163KB](8)

Abstract:
Combined with current application fields and status of plant protection UAV，system composition and performance characteristics of plant protection UAV were analyzed.From perspective of job attributes and user experience，direction of inspection and detection for flight quality of plant protection UAV was selected as research object.A test method for flight control accuracy index of plant protection UAV was proposed.Composition and operation method of measuring equipment were introduced，analysis and evaluation of measurement uncertainty of the method were focused so as to provide certain basis for quality identification and selection of UAV.

Application of Pneumatic-Hydraulic Auxiliary Clutch Brake System in Corn Harvester

WANG Zili, XU Rui, WANG Jianwei, HU Chenhao

2020, 10(8): 89-92.

Abstract(71) [PDF 1239KB](8)

Abstract:
Structure，principle and application of the pneumatic-hydraulic auxiliary clutch brake system in the corn harvesting machine were briefly introduced，with a view of providing reference materials for design and use of harvesting machine.

Structure Design of Trough Type Tipper

NI Yanjun

2020, 10(8): 93-95.

Abstract(29) [PDF 532KB](8)

Abstract:
Trough type tipper is an important equipment for organic fertilizer production.Main structure and function of trough tipper were analyzed through introduction of its main structure and parameters design.

Construction Practice of New Agricultural General Courses

YANG Huibing, GAO Zhiqiang

2020, 10(8): 96-101.

Abstract(90) [PDF 949KB](7)

Abstract:
According to construction practice of“Internet+” Modern Agriculture，general characteristics of new agricultural general courses were discussed，and construction directions of general course of new agricultural science were put forward，aiming to provide reference for construction of new agricultural science and training of new agricultural talents.

Investigation on Demand for Talents of Facility Agriculture and Equipment in Higher Vocational Colleges in Beijing

YANG Xuekun, YE Ke, XU Dijuan, HU Yaomei

2020, 10(8): 102-105.

Abstract(75) [PDF 826KB](7)

Abstract:
By using methods of literature analysis，expert interview and questionnaire survey，research on current situation and trend of industry development，enterprise post setting and ability demand，students′ professional and personalized development needs were conducted in-depth.It could further understand development trend of facility agriculture industry in Beijing，master post ability requirements of enterprises related to facility agriculture and equipment specialty，clarify knowledge，skills and literacy ability of graduates，and understand professional and personalized development needs of students，provide reliable basis for further optimizing orientation of professional training and deepening construction of professional connotation，and promote professionals.With continuous improvement of the quality of talent training，it could better provide intellectual support and talent guarantee for regional economic and social development.

Effects of Straw Mulching on Wheat Yield and Farmland Ecological Effect in Northwest Dry Land

YE Yuansheng, HUANG Caixia

2020, 10(8): 106-113.

Abstract(87) [PDF 983KB](10)

Abstract:
In order to clarify mechanism of wheat yield increase in northwest China，on basis of consulting relevant research results，effects of straw mulching on wheat yield and its components were analyzed.It was found that no-tillage straw mulching could increase wheat yield by 10%～20% in northwest regions compared with no mulching，and effect of yield increase was remarkable.Reasons for increase in yield were analyzed，and it was found that mechanism of wheat yield increase lied in effective regulation of farmland ecological effects that straw mulching could significantly increase number of large soil aggregates and improve stability of soil structure，increase soil water content of 0～200 cm soil layer，adjust ground temperature to avoid severe temperature fluctuations，increase soil microbial community and soil fertility，and improve soil enzyme activity.Effects of straw mulching on wheat yield and farmland effects were mainly summarized，aiming to provide a theoretical basis for wheat straw mulching in northwest China.

Effect Analysis of Replacing Chemical Fertilizer with Organic Fertilizer for Facility Vegetable in Yongqing County of Hebei Province

LI Quanshan

2020, 10(8): 114-117.

Abstract(84) [PDF 590KB](11)

Abstract:
Basic situation of facility vegetable planting and organic fertilizer resources in Yongqing county were analyzed，and remarkable effect of replacing chemical fertilizer with organic fertilizer was analyzed through experimental cases，which could provide reference basis for sustainable development of agriculture in Yongqing county.

Agricultural Industry Integration Development Path in Weishan County of Shandong Province

YANG Liwen, JIANG Wenqing, LI Meigui

2020, 10(8): 118-121.

Abstract(72) [PDF 1047KB](7)

Abstract:
Current situation of economic development in Weishan county was analyzed and model of “three actions and one combination” was constructed by combining relevant data in the statistical yearbook of Weishan county.Based on current situation and bottlenecks of industrial integration development in Weishan county，path of Weishan’s agricultural industrial integration in technology promotion，functional interaction and market promotion was analyzed，then suggestions and countermeasures for economic development of Weishan county were put forward.

Sustainable Development Stauts of Walnut Industry in Shangluo City

DUAN Kai, MU Xinjing

2020, 10(8): 122-124.

Abstract(59) [PDF 456KB](7)

Abstract:
Developing characteristic agriculture is an important way to promote sustainable development of regional economy.Walnut industry in Shangluo was taken as the research content.Current situation of walnut industry development was analyzed.Existing problems of walnut industry were discussed from three aspects of society，economy and ecology.Some practical countermeasures were put forward to provide reference for sustainable development of characteristic agriculture in the county.

Innovation Development Model of Agricultural Products E-commerce

WANG Yan

2020, 10(8): 125-128.

Abstract(33) [PDF 737KB](8)

Abstract:
In the“post-epidemic”stage，deep-level and omni-channel e-commerce reforms are taking place in the field of agricultural product sales and distribution.And a new production and marketing system would be formed.As an important means of increasing farmers′ income，e-commerce for agricultural products should establish an interest connection mechanism between e-commerce platform and farmers，which is a path for upward innovation of agricultural products.Through a comparative analysis of innovative modes of community group-buying，customized adoption，community marketing and online crowd-funding for agricultural products e-commerce，suggestion of development mode choice of agricultural products electronic commerce was put forward.And it would promote development of rural economy.

2020 Vol. 10, No. 8

Online Office

Download CenterMore+