EXPERIMENTAL STUDY ON THE EFFECTS OF DIFFERENT PRESSURE METHODS ON THE GROWTH CHARACTERISTICS OF BUCKWHEAT

Author:

LIU Yun1,LV Weiran1,LI Lihong2,XU Bing1,ZHENG Decong1,LU Qi3

Affiliation:

1. College of Agricultural Engineering, Shanxi Agricultural University, Taigu / China

2. Hangzhou Dianzi University information Engineering College, Hangzhou / China

3. College of Agricultural Engineering, Shanxi Agricultural University, Taigu / China, Chinese Academy of Agricultural Mechanization Sciences Group Co., Ltd., Beijing / China

Abstract

In order to fully explore the influence of different pressure methods on the growth characteristics of buckwheat, a pressure test device with adjustable press force, and easy to replace the press wheel was designed. Using the dry matter quality of buckwheat roots, stems, leaves at seedling stage, plant height, number of main stem nodes, number of main stem branches, grain number per plant, grain weight per plant, and yield as evaluation indexes, single factor test on press force was carried out, and three-factor and three-level orthogonal test was carried out too with press wheel outer diameter, press force and press wheel type as factors. The results showed that the index values of buckwheat showed a trend of first increasing and then decreasing with the increase of press force. When the press force was 450 N, the growth and development of buckwheat performed best. The effects of press wheel outer diameter, press force, and press wheel type on growth characteristics of buckwheat was different. The effects of press force and press wheel type on the indexes were greater than that of press wheel outer diameter. The optimal pressure methods of buckwheat sowing are as follows: the press wheel outer diameter is 300 mm, the press force is 450 N, and the press wheel type is conical combined wheel. The results of this study could provide reference for the improvement of high-yield mechanized sowing technology of buckwheat and the design of rational pressure device.

Publisher

INMA Bucharest-Romania

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering,Food Science

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