会宁县玉米等穴距不同减穴增株模式效应研究
Information of Agricultural Science and Technology(2020)
Abstract
通过试验研究玉米耐密品种在同一穴距下采用不同减穴增株模式对玉米产量的影响,以期为玉米全膜双垄沟播减穴增株模式在甘肃半干旱区的适宜种植密度及方式提供理论依据.试验结果表明:密度控制在60000~90000粒/hm2,除播种穴距30 cm时3粒播种因密度过大(181830粒/hm2)而较单粒播种减产8.4%外,同穴多粒播种穴距30~90 cm均较单粒播种显著增产.
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