|Table of Contents|

Experimental Ｒesearch on Seed Metering Choice of 2BMFJ Series Soybean NotillagePrecision Planter(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年03期
Page:
505-511
Research Field:
Publishing date:

Info

Title:
Experimental Ｒesearch on Seed Metering Choice of 2BMFJ Series Soybean NotillagePrecision Planter
Author(s):
FENG Yi-ning; CHEN Hai-tao; HOU Shou-yin; ZHANG Ying; DUN Guo － qiang; ZHA Shao-hui
Engineering College，Northeast Agricultural University，Harbin 150030，China)
Keywords:
Soybean seed metering device;  Orthogonal test;  Multiple comparison
PACS:
S223. 2
DOI:
10.11861/j.issn.1000-9841.2016.03.0505
Abstract:
In order to improve the performance of the 2BMFJ Series No-tillage Precision Planter，the comparative tests hadbeen carried out on the JPS-12 seed-metering test bench by GB6973-2005，with the orthogonal experiment and multiple comparisonof three factors with three levels，of which two kinds of air-suction seed metering device and mechanical soybean seedmetering device were selected as the object. The type of seed metering device，operating speed and CV of 100-seed weightwere selected as test factors. The qualified rate，multiple rate，missed rate and variable coefficient were selected as the experimentalindex. The result indicated that type of seed device qualified for qualified rate，multiple rate and variable coefficientwere the main factors，operating speed with missed rate influence was the most significant. Air-suction seed metering devicewas better than mechanical seed metering device when the operating speed faster than 5 km·h － 1 and the CV of 100-seed weightgreater than 7. 6%. For the 2BMFJ Series No-tillage Precision Planter，mechanical seed device could be used for 2BMFJ-3 /6，air-suction seed metering device could be used for 2BMFJ-10.

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Last Update: 2016-07-24