2021 Vol. 11, No. 5

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Academician WANG Maohua：Devoting Oneself and Leading Development of Agricultural Engineering， Pushing forward Process of Agricultural and Rural Modernization
2021, 11(5): 2-6.
Abstract(596) [PDF 8552KB](96)
Abstract:
Formulation of Group Standards of“Clean Area Seeder under Full Amount of Straw and Root Stubble Cropland”
2021, 11(5): 11-15.
Abstract(415) [PDF 3056KB](74)
Abstract:
Clean area seeder under full amount of straw and root stubble cropland is a new type of compound working machine with function of straw-crushing，horizontal-level straw conveying，crossover displacing，throwing，and soil-covering，which could solve three technology problems of straw clogging，ungrounded sowing，and uncovering sowing.As new equipment with the latest technology，there are no suitable relevant technical standards of manufacturing and testing equipment in China and other countries at present.It's urgent to draft some relevant standards so that relevant technologies can be better promoted and applied.The formulation of group standards of “clean area seeder under full amount of straw and root stubble cropland”provides a basis when production and testing for manufacturers and testing departments，and support further research and optimization of the full amount of straw and root stubble cropland as well.
Development Status and Suggestions of Animal Husbandry Machinery and Equipment in Beijing
2021, 11(5): 16-19.
Abstract(430) [PDF 527KB](79)
Abstract:
Animal husbandry machinery provides strong technical equipment support for the scale，standardization，mechanization，automation and intelligent development of animal husbandry，integration and efficient development of whole industry chain before，during and after production，and effective supply of livestock products.A brief statistics and analysis was made on development status，animal husbandry and application of machinery and equipment in five links of forage harvest，forage operation，forage processing，feeding machinery and collection and processing.In view of problems existing in mechanization of animal husbandry in Beijing，some suggestions for further development of animal husbandry mechanization were put forward.
Research Course and Prospect of Precision Seeding Mechanization Equipment in Wheat Plot
2021, 11(5): 20-24.
Abstract(395) [PDF 10078KB](70)
Abstract:
Current situation of wheat plot precision seeding and agronomic parameters of breeding were investigated.Research course，current situation and existing problems of precision seeding mechanization equipment in wheat plot at home and abroad were expounded.Key problems to be solved were analysed according to the demand of domestic breeding experiment.Development trend of precision seeding mechanization equipment in wheat plot were prospected.
Application Effect and Promotion Strategy of Conservation Tillage Technology about Black Soil
2021, 11(5): 25-28.
Abstract(340) [PDF 518KB](81)
Abstract:
Traditional high-intensity soil cultivation has made soil fertility and organic matter content of black land decrease continuously，physical and chemical properties and ecological functions were reduced.It seriously affected food security and sustainable development of agriculture in China.Yixian County of Liaoning Province had carried out a comparative study of three conservation tillage models.Results showed that conservation tillage technology had obvious advantages in reducing soil wind，water erosion，improving soil fertility and increasing crop yield compared with control field without conservation tillage technology.At the same time，existing problems in popularization and application of conservation tillage technology were analyzed，and promotion strategies were put forward.
Design and Experiment of Double Axis Wheat Less No-tillage Belt Fertilizer Planter
2021, 11(5): 29-32.
Abstract(395) [PDF 2638KB](74)
Abstract:
In order to solve problems of poor quality of wheat no tillage sowing in corn and wheat，rice and wheat double cropping areas，large number of crop straws were crushed and covered on surface，or soil moisture was heavy，double axis wheat less no-tillage belt fertilizer planter was designed and developed.Results of field experiments showed that seeding quality of the seeder was good.It could increase production by 5% and reduce sowing cost 150～375 yuan per hectare compared with traditional rotary double disc wheat planter and furrow strip planter.So，it had a wide application prospect.
Mountain Orchard Mechanization Cultivation Mode
2021, 11(5): 33-35.
Abstract(393) [PDF 486KB](75)
Abstract:
The domestic and foreign research on mountain orchard cultivation mode has been compared and analyzed，and a economize-labor cultivation mode，which integrating efficient utilization of rainwater and full mechanized operation of orchard was explored，so as to further promote development of agricultural modernization.
Operation Quality Comparison and Development Suggestions of Three Kinds of Self-propelled Peanut Picking up Harvesters
2021, 11(5): 36-40.
Abstract(412) [PDF 545KB](75)
Abstract:
With continuous expansion of peanut planting area，self propelled peanut picking up harvester began to be widely used.Three kinds of self-propelled peanut picking up harvesters commonly used in Nanyang City were selected for field operation detection.Results showed that performance of this type of machine was improved，but impurity content of peanut in collecting box was still over standard.Reason for the problem was analyzed and some suggestions were put forward to optimize operation effect，such as strengthening manipulator training，harvesting in the right time，integration of agricultural machinery and agronomy，and improving quality of machines.
Research on Automatic Intelligent Control System of Micro Irrigation Water and Fertilizer Operation
2021, 11(5): 41-44.
Abstract(395) [PDF 2533KB](86)
Abstract:
Aiming at problems of low utilization efficiency of agricultural water and environmental deterioration caused by excessive application of chemical fertilizer in China，a set of automatic intelligent control system of micro irrigation water and fertilizer integrated operation was researched and developed which was suitable for corn planting in northeast China.Function and working principle of three modules of field information collection，fertilization decision-making and intelligent fertilization control were introduced.Practical application results showed that this system reduced fertilizer application by 10%～12% and increased fertilizer utilization by 5%～6%.It was of great significance to improve utilization rate of water and fertilizer resources.
Design of Intelligent Control System of Bag-grown Edible Fungus Liquid Strain Inoculation Machine
2021, 11(5): 45-49.
Abstract(411) [PDF 4916KB](70)
Abstract:
The inoculation steps of bag-grown edible fungus liquid strain inoculation machine are divided into four parts：feeding，punching，inoculation and filming.Intelligent control system based on PLC was introduced which realized the four in one functions of feeding，drilling，inoculation and film sticking of irregular shape Lentinus edodes sticks.Practice has shown that control system of edible fungus liquid inoculation machine was stable，reliable，flexible in operation and complete in functions.
Design of User Management for Management System of Agricultural Machinery and Equipment Comprehensive Experiment Platform
2021, 11(5): 50-53.
Abstract(341) [PDF 1260KB](65)
Abstract:
User management for management system of agricultural machinery and equipment comprehensive experiment platform was designed.Overall framework of management system was introduced.User role setting，role management，permission setting，application form management and other functional modules were designed.This system was of great significance to improve management level of agricultural equipment comprehensive experimental platform and improve utilization rate of experimental equipment.
Design and Experiment of Single Plate Impact Grain Yield Sensor
2021, 11(5): 54-59.
Abstract(304) [PDF 2487KB](65)
Abstract:
In order to meet needs of management and development of precision agriculture，a single plate impact grain yield sensor for real-time yield detection was designed.In order to verify feasibility of the method，finite element simulation of the sensor was carried out，the stress cloud diagram of stress plate was formed，and detection position of strain gauge was determined.Wheatstone bridge was used to collect deformation signal of the stress acquisition board and send it to upper computer through CAN.After deformation signal was processed by unscented Kalman filter（UKF）algorithm，the real-time production information was obtained by calibrating relation curve.Stress calibration test determined relationship curve between analog value collected by sensor and impact；yield calibration test determined relationship curve model between impact and yield；field test showed that average absolute error of the sensor was 4.6%.
Application of GIS Technology in Rural Drinking Water Safety Project Evaluation System
2021, 11(5): 60-63.
Abstract(359) [PDF 2936KB](73)
Abstract:
Rural drinking water safety project is a very larger project.How to improve efficiency of project management is main problem in operation and management of rural drinking water safety project.At present，water conservancy informatization has become development direction.Through establishment of rural drinking water safety engineering database，combined with characteristics of engineering spatial distribution，introduction of GIS technology，and application of object programming method，assessment system for rural drinking water safety project was developed.Using fuzzy comprehensive evaluation model to evaluate project，combination of project evaluation and GIS was realized for the first time，which facilitated operation and management of rural drinking water safety project.Application practice showed that the system has strong operability and reliable evaluation conclusion，which could be extended to other cities and counties in project management.
Characteristics of Microbial Diversity of Mechanized Straw Returning to the Field in Fluvo-Aquic Soil under Planting Patten of Short Term Wide-Narrow Row
2021, 11(5): 64-70.
Abstract(327) [PDF 1791KB](67)
Abstract:
To reveal characteristics of short term mechanized returning straw to the field by wide/narrow row on soil microbial diversity，changes of microbial community diversity and its relationship with soil physical and chemical factors in fluvo-aquic soils in wheat planting area and corn straw furrow at 0~20，20~40 and 40~60 cm depths under maize/wheat alternate planting mode were analyzed based on high-throughput sequencing method.Results showed that the Shannon index of soil microbial diversity decreased with increase of soil depth for both two types of soil.At the same depth，microbial diversity of corn stalk returning ditch samples was generally higher than that of wheat planting soil.The community structures of soil samples from different areas and different depths were quite different.At the phylum level，the dominant phyla in two soil samples were Proteobacteria，Bacteroidetes，Gemmatimonadetes，Acidobacteria and Acitinobacteria.The relative abundances of Proteobacteria and Bacteroides in wheat planting area were slightly higher than those of corn stalk returning ditch samples，while abundances of Gemmatimonadetes，Acidobacteria，Actinomycetes，Chloroflexi and Firmicutes were lower than those of corn stalk returning ditch samples.At the genus level，Lysobacter，Altererythrobacter and Sphingomonas were the dominant genera.Total nitrogen，alkali hydrolyzed nitrogen，available phosphorus，available potassium and organic matter were positively correlated with Chloroflexi，Acidobacteria，Acitinobacteria，Gemmatimonadetes，but negatively correlated with Proteobacteria and Bacteroidetes.The copy numbers of carbohydrate metabolism functional genes in topsoil of corn stalk returning ditch were significantly higher than those of wheat planting top soil.Straw returning increased microbial diversity of soil，which laid a solid foundation to further optimize straw returning method and to improve soil ecosystem.
Current Situation，Utilization Problems and Suggestions of Agricultural Waste Resources in Northern Jiangsu under Background of Agricultural Supply-side Reform
2021, 11(5): 71-74.
Abstract(372) [PDF 709KB](74)
Abstract:
The optimized utilization of agricultural waste has a positive guiding and promoting effect on reduction，resource utilization and comprehensive treatment of agricultural waste in China.After converting into standard coal，the annual harvestable amount of crop straw in the five cities of northern Jiangsu in 2019 was about 11.281 8 million tons，and the annual harvestable amount of livestock and poultry manure was about 0.943 1 million tons.Main problems in utilization of agricultural waste in northern Jiangsu included：large amount of agricultural waste resources and obvious differences in regional distribution；unreasonable agricultural structure；inconspicuous proposal and promotion of good agricultural waste utilization models.Optimal utilization of agricultural waste in northern Jiangsu has a strong demonstration effect on northern Jiangsu and surrounding areas of southern Shandong，northern Anhui，and eastern Henan.It is recommended to continue to strengthen summary and promotion of optimal utilization of agricultural waste in northern Jiangsu.
Effect of Water Level Fluctuation on Purification of Iris tectorum
2021, 11(5): 75-79.
Abstract(334) [PDF 1494KB](61)
Abstract:
Indoor experiment，using Iris tectorum as a study subject，was done to research purification effect of NH3-N，COD and TP in 20 days at different water levels（10，30，and 50 cm）.Results showed that at 10 cm water depth，purification effect of the Iris tectorum for COD and TP reached 88.4% and 95.4%，which was better than plant group of 30 and 50 cm.Compared to 50 cm water depth condition，TP removal contribution of the Iris tectorum was higher.As water level increased，time of more than 50% pollutants removal contribution of Iris tectorum gradually moved backward and shortens.At 10-30 cm water level，Iris tectorum responded more rapidly to COD and TP，and concentration reduction effect was better than the high water level conditions.Under different water levels，effect of Iris tectorum on soil total nitrogen was not obvious，but effect of Iris tectorum on soil phosphorus fixation was obvious compared with blank group.This experiment aims to provide more choice and better location in selection and planting of aquatic plants in ecological engineering.
Design and Experiment of Cutting Type Camellia oleifera Fruit Shelling Machine
2021, 11(5): 80-85.
Abstract(365) [PDF 4836KB](68)
Abstract:
In order to improve mechanical dehulling effect of Camellia oleifera fruit and facilitate separation of tea seeds and tea husks，a cutting type Camellia oleifera fruit peeling machine，which was composed of a cutting structure and a dehulling structure，was designed based on characteristics study of Camellia oleifera fruit material.Three key factors of roller speed，rubber plate speed and cutting depth were selected，and index of shelling rate，effective yield and separation rate of Camellia oleifera fruit was used for experimental research.Results showed that with increase of roller speed，shelling rate firstly increased and then decreased，the highest was 87%; separation rate changed little; effective yield firstly decreased and then changed within a certain range，the effective yield was the lowest at 98.8%.Speed of rubber sheet had the most obvious effect on effective yield，and effective yield gradually decreased with the increase of speed of rubber sheet，reaching a minimum of 94.2%;speed of rubber sheet had little effect on peeling rate and separation rate.As cutting depth increased，shelling rate and effective yield had increased significantly，with the highest shelling rate being 97% and the lowest effective yield being 95.2%;overall separation rate had not changed much.
Dynamics Analysis of Quality Changes in Process of Fish Ball Cooking
2021, 11(5): 86-92.
Abstract(336) [PDF 1050KB](63)
Abstract:
To better predict quality changes during heating process of food，the kinetic method was used to determine and analyze changes of mature quality factors（color and shear force）and overheating quality factors（moisture content）during cooking process of fish balls.Results showed that changes in brightness，whiteness and moisture content of fish balls during cooking and maturation process were in line with the first-order reaction kinetic model，while changes in shear force were in line with the zero-order reaction kinetic model.The z values of brightness value and whiteness value of fish balls were 19.37 and 33.43 ℃ respectively，and the Ea values were 119.99 and 69.52 kJ/mol respectively.Ea value of water content of overheating quality factor was 39.39 kJ/mol，and the z value was 59.11 ℃，which was greater than the z value of mature quality factor（brightness and whiteness）.Moreover，prerequisites for optimization of cooking operations were met，which proved that there was space for optimization in cooking process of fish balls.The basic data are provided for promoting industrial production of fish balls.
Spatial Shape Analysis of Water Nappe with Contorted & Cut Flip Bucket
2021, 11(5): 93-97.
Abstract(327) [PDF 3110KB](58)
Abstract:
In view of narrow and bending rivers，traditional continuous flip bucket is set at the end of discharge structure，and jet stream directly hits bank slope，threatening safety of buildings，and the jet nappe is difficult to return to river smoothly.The water nappe and spatial shape of jet nappe of contorted & cut flip bucket was simulated with three-dimension through RNG k-ε turbulence model and Tru-VOF method.Research showed that large-angle shooting of bucket made jet stretch vertically，deflection of left side wall could ensure that water flow out of bucket would overturn horizontally so that water nappe was lead to right riverbed.It could adapt to changes in topographical conditions of downstream river valley，and reduce erosion of downstream river channel effectively，reduce fogging phenomenon simultaneously.Simulation results also showed that the minimum number of cavity σ near the exit of bucket was 0.60，and it was less prone to cavitation damage.
Detection Technology and Application of Reservoir Karst Seepage Path
2021, 11(5): 98-102.
Abstract(335) [PDF 3970KB](58)
Abstract:
Carbonate rock areas are susceptible to karst development due to special topography，geomorphology，hydrological conditions，etc.In the development and utilization of water resources in such areas，it is necessary to first identify distribution and development of curtain karst，and carry out existing seepage paths detecting and tracking，thus ensuring smooth implementation and safe and stable operation of water resources development and utilization engineering construction.A water conservancy in the southern part of Yunnan-Guizhou Plateau was taken as research object.The geophysical and geophysical comprehensive detection and analysis of karst seepage path was carried out by electric method and electromagnetic wave CT method combined with drilling.Detection results showed that for complex karst water flow systems，comprehensive detection method could effectively detect karst seepage channel，and detection results could provide reliable basis for treatment of seepage.
Backward Path Tracking for Tractor-Semitrailer System Based on Sliding Model Control
2021, 11(5): 103-107.
Abstract(348) [PDF 1060KB](64)
Abstract:
A backward path tracking control of a tractor-semitrailer system was presented.The kinematic nonlinear model of a tractor-semitrailer system was developed in polar coordinate system.To simplify process of solving，reference path's arc length of semitrailer was taken as argument.Since tractor-semitrailer system was a nonlinear multi-input and multi-output model with strong couplings，accurate linearization algorithm was employed to overcome unknown nonlinearities and uncertain parameters.Sliding mode variable structure control was employed for linearized tractor-semitrailer system.In order to ensure that semitrailer approached desired path quickly and reduce chattering，exponential approach law and the quasi-sliding mode control were adopted.To determine poles to obtain transition performances preserving system stability，pole placement algorithm was used to design control law.Finally，backward path tracking algorithm controlled the system to follow a circle path in real time.The results suggested that simulated tractor-semitrailer system's tracking path was smooth and almost identical to reference path.
Design of Ditching Device for Rotary Tillage and Seeding Compound Machine
2021, 11(5): 108-111.
Abstract(348) [PDF 596KB](61)
Abstract:
2BG-14 rotary tillage fertilizing and seeding machine was improved and ditching device was added.Relevant parameters of ditching device were designed and calculated. Reasonable power transmission route was proposed.
Design on Steering Control System of Driverless Self-propelled Dry Land Flax Spraying Truck
2021, 11(5): 112-116.
Abstract(287) [PDF 1951KB](59)
Abstract:
Aiming at problems of high density planting of flax and inconvenient operation of large machinery，driverless self-propelled dry land flax spraying truck was designed.Brushless DC motor and electric push rod were used as steering control components，and STM32 single chip microcomputer was used as control core of flax spraying truck.Spraying truck adopted two-way traffic between 2.4 GHz radio remote control device and single chip microcomputer to control walking speed，turning radius and spraying mode.Program was wrote by Keil uVision5 software to make decision and control for each action process of spraying truck.Simulation results showed that maximum left turning angle was 35.9°，maximum right turning angle was 25.7°，practical use steering angle was±25°，minimum turning radius was 4 m.Steering system met design requirements and it provided technical support for intelligent obstacle avoidance and intelligent operation of flax spraying truck.
Stress Analysis of Drop Simulation of 258 mL Small Beer Bottle Based on ANSYS
2021, 11(5): 117-120.
Abstract(333) [PDF 3975KB](67)
Abstract:
In order to study stress of 258mL small capacity beer bottle in the process of drop impact and provide reference for safe packaging of beer bottle，taking 258mL bottle of Qingdao beer as research object，3D finite element model of bottle cushioning packaging was established using ANSYS finite element analysis software.Drop simulation tests were carried out with or without cushioning package，different drop height and different drop posture.Instantaneous stress distribution of bottle during drop impact was got.Simulation results showed that maximum impact stress was 147，517 and 277 MPa when bottle body was vertical， inclined 15° and horizontal drop at 1.0 m height without cushioning packaging.In these cases，bottle body was broken because impact stress was too large and strength was not enough.Maximum impact stress was 5.0 and 3.4 MPa when bottle body fell from 1.0 m or 0.5 m height under protection buffer of 6 mm thick BC type 5-layer corrugated box.Packaging material had a good protective effect on beer bottle.Maximum stress position was located at bottle bottom edge circumference and arc convex part of bottle shoulder.Therefore，vulnerable parts should be protected during bottle handling and transportation.
Teaching Reform and Practice of“Quality Safety Testing for Agricultural Product”from Perspective of“Three Education”Reform
2021, 11(5): 121-123.
Abstract(339) [PDF 664KB](69)
Abstract:
The“three education”reform mainly aims at reform and innovation of teachers，teaching materials and teaching methods during personnel training period.Under guidance of the“three education”reform，teaching team construction，development of teaching resources，innovation of teaching mode and evaluation mode were reformed to improve teaching quality.
Course System Optimization of“Bioproduction Automation and Robot”Based on New Engineering and New Agriculture
2021, 11(5): 124-127.
Abstract(404) [PDF 9196KB](74)
Abstract:
Rapid development of modern agriculture requires cultivating interdisciplinary innovative talents.The Ministry of Education and other departments issued“six excellences and one top”plan 2.0 to encourage development of new engineering and new agriculture，and vigorously promote cultivation of new talents.Under the concept of new engineering and new agriculture，“Bioproduction Automation and Robot” improved curriculum objectives and knowledge system，focused on case analysis，enhanced teaching content and strengthened control of teaching experiment in order to train students' ability to combine theory with practice and solve practical problems.So，students' divergent scientific research thinking was structured，professional basic technology and innovation ability were promoted.This course cultivates innovative talents for modern agriculture.
Teaching Mode Exploration of Flipped Classroom in Agricultural Hydraulic Engineering Courses under Background of New Engineering
2021, 11(5): 128-131.
Abstract(329) [PDF 673KB](61)
Abstract:
With increasing development of internet technology，traditional education methods and teaching models are facing great challenges.It is urgent to explore a new teaching mode to stimulate students' interest in learning.Teaching mode of flipped classroom in agricultural hydraulic engineering professional courses under background of new engineering was explored.Flipped classroom teaching concept was used and this reverse-order teaching mode was adopted in teaching process of agricultural hydraulic engineering courses.Through teaching links such as class preparation before class，class flipping，and class effect evaluation，it was expected to improve students' active learning of professional knowledge and initiative and ability to analyze and solve problems，strengthen cultivation of innovative consciousness and ability，which would provide new ideas for innovative teaching methods and models of agricultural hydraulic engineering in Henan University of Science and Technology.
Investigation and Analysis of Fertilizer Application of Planting Industry in Xinjiang
2021, 11(5): 132-136.
Abstract(451) [PDF 650KB](83)
Abstract:
Investigation of fertilizer application in planting industry was carried out in some areas of Xinjiang.Situation and existing problems of fertilizer application in planting industry were analyzed.According to survey results，fertilizer application per unit area of planting industry in Xinjiang showed a decreasing trend year by year.Average fertilizer application per unit area in 2015，2016 and 2017 were 546.7，525.9 and 482.6 kg/hm2，respectively，which decreased by 3.8% and 8.2% in 2016 and 2017 compared with previous year.Amount of fertilizer applied per unit area in facility agriculture，forestry and fruit industry were large.In the future，it is necessary to increase research and promotion of scientific fertilization in forestry，fruit industry and facility agriculture on the basis of scientific fertilization of conventional field crops，so as to comprehensively improve scientific fertilization level of planting industry in Xinjiang.
Effects of LED Red and Blue Compound Light on Growth and Quality of Pea Sprouts
2021, 11(5): 137-143.
Abstract(312) [PDF 1111KB](67)
Abstract:
In order to study effects of different light quality on growth and quality of pea sprouts，“Green Valley Ma Pea No.2”was cultivated on seedling paper.The pea sprouts were treated with 10 treatments，white light as control，red light∶blue light=3∶1，red light∶blue light=4∶1，red light∶blue light=5∶1，red light∶blue light=9∶1，red light∶blue light=7∶3，red light∶green light∶blue light=6∶2∶1，red light∶green light∶blue light=9∶1∶0，red light∶green light∶blue light=8∶1∶1，red light∶green light∶blue light=7∶1∶2.On the 8th day，growth and quality indexes of pea sprouts were determined in order to screen the optimum light quality of pea sprouts.Results showed that，plant height of red light∶green light∶blue light=9∶1∶0 was the highest，followed by red light∶blue light=5∶1 and 3∶1；the plant with red light∶blue light=3∶1 had the thickest stem and the longest root length.The plant with red light∶green light∶blue light=9∶1∶0 had the highest above ground fresh weight，economic yield and edible rate，followed by red light∶blue light=5∶1.The plant with red light∶blue light=5∶1 had the highest fresh weight，dry weight and biological yield，and the contents of chlorophyll a，chlorophyll b，chlorophyll a+b and carotenoid were significantly higher than those of other treatments.To sum up，treatment 3（red light∶blue light=5∶1）could promote plant growth，increase biological yield and effectively increase accumulation of plant dry matter content.Therefore，red light∶blue light=5∶1 could be used as the light quality for growth of pea sprouts.
Current Situation，Problems and Countermeasures of Financial Support for Rural Three Industry Integration in Guizhou Province
2021, 11(5): 144-147.
Abstract(437) [PDF 546KB](77)
Abstract:
Rural industrial integration development is an important way to realize rural revitalization.And industrial integration development is inseparable from strong financial support.Taking Guizhou Province as an example，it was found that there were many problems in process of financial support for development of rural industry integration in Guizhou Province.Guizhou Province should strengthen construction of agricultural insurance and financial innovation，and make full use of advantages of internet finance to make financial contribution to development of rural industry integration.
Choice and Reasons of Cherry Sales Mode for Different Family Business Type Farmers：Based on Current Situation of Cherry Sales in Yantai City
2021, 11(5): 148-152.
Abstract(315) [PDF 555KB](65)
Abstract:
70 cherry growers in Mouping District and Fushan District of Yantai City were investigated by questionnaire and telephone interview on consumers of different ages，education level，planting area and income of cherry.Using binary logistic model，an empirical study was made on marketing channel choice of farmers with different family business types，and conclusion was as follows:specialized farmers were more willing to choose to sell to the vendors，and farmers who were also engaged in business operation were more willing to choose wholesale market.The farmers with large planting area tended to choose the form of wholesale market sales，and the higher the education level，the higher the degree of Internet sales.Farmers with small planting area were more likely to sell big cherries to vendors.

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