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shui dao ji cha yang de yu yang guan li
Author(s): 
Pages: 43
Year: Issue:  5
Journal: Farm Machinery Using & Maintenance

Abstract: 水稻是一种高投入、高产出的经济作物,其产量构成是单位面积的穗数、每穗粒数、结实率、粒重四个因素组成,四个因素与作物生长时养分供应是否充足、长势是否健壮、有效分蘖率的高低及田间植株密植是否合理相关.水稻机插秧技术正是从调整改善影响产量的相关因素入手,达到节本增效创高产的目的.
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