|Table of Contents|

Experiments on the Regularities of Timeliness Loss Changing with Soybean Harvesting Date in Beian(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2017年05期
Page:
803-807
Research Field:
Publishing date:

Info

Title:
Experiments on the Regularities of Timeliness Loss Changing with Soybean Harvesting Date in Beian
Author(s):
QIAO Jin-you1;  SUN Jian1;  TIAN Yuan-yuan1;  WANG Wen-fu2;  ZHANG Yu-liang3;  XU Yong1;  CHEN Hai-tao1
(1.College of Engineering, Northeast Agricultural University, Harbin 150030, China；2.Heilongjiang Changshuihe Farm, Heihe 164007, China；3.Heilongjiang Hongxing Farm, Heihe 164002, China)
Keywords:
Soybean;  Harvest;  Timeliness loss rate;  Regularity;  Experiment
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2017.05.0803
Abstract:
One significant factor which effects soybean yield and economic benefit is timeliness loss regularities of key operations. And the timeliness loss is also the vital basement for optimizing soybean production machinery system.Soybean harvesting operation in Beian region, Heilongjiang province was taken as the research object, and the experiment was designed adopting methods of removing boundary effect, taking the harvesting date as the only variable, test plots distributing in random in order to obtain the real date. Abnormal testing data were eliminated by Romanowski criterion and SPSS statistics software was utilized for constructing the mathematic model for timeliness loss changing with the harvesting date, which is shown as a quadratic discipline in Beian region. The best soybean harvesting date in Beian was Oct 6th under the testing condition. The conclusion of the paper supplies reasonable theoretical basis for determining harvesting date in the experiment region and provides reference for optimizing agricultural machinery system.

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Last Update: 2017-11-01