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Study on High-yield Cultivation Techniques of a New Maize Variety 'Miandan 581'
Author(s): HE Dan, WANG Xiu-quan, LIU Chang-ming, YU Xian-ju, SHUI Hong-xia
Pages: 257-
260
Year: 2008
Issue:
4
Journal: RAIN FED CROPS
Keyword: 绵单581; 高产; 栽培技术;
Abstract: 通过五因素二次回归正交旋转组合试验,建立了玉米新品种绵单581籽粒产量与种植密度(X1)、施氮量(X2),施磷量(X3),施钾量(X4),施锌量(X5)的数学模型.经用计算机进行因子水平寻优,得出产量在8 550 kg/hm2以上的栽培模式为:密度45 850~47 538株/hm2,施纯氮260.7~272.3 kg/hm2,施用P2O5为112.45~122.1 kg/hm2,施用K2O为98.3~106.6 kg/hm2,施用ZnO为7.7~9.5 kg/hm2.
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