摘要
采用田间试验,研究了混料设计中的单形重心设计在花椒氮、磷、钾配肥上的应用,测定了花椒的产量及其构成,配置了各因子的产量回归方程,并应用降维分析,绘制了2因素产量图。结果表明,当钾素的比例为0.00～0.29时,花椒产量递增,当钾素的比例为0.29～1.00时,花椒产量递减;当磷素的比例为0.00～0.31时,花椒产量递增;当磷素的比例为0.31～1.00时,花椒产量递减;当氮素的比例为0.00～0.40时,花椒产量递增,当氮素的比例为0.40～1.00时,花椒产量递减。降维分析结果表明,花椒的最佳肥料配比为mN∶mP∶mK=(0.398～0.413)∶(0.298～0.313)∶(0.286～0.289)。
The Znathoxylum bungeananums yield and its composing were measured in this paper using the field experiments to study the simplex centroid design in the combination of nitrogen,phosphorus and potassium fertilizer.Yield regression models of each factor were established.With the application of the data reduction analysis,yield diagram of 2 factors was drawn.The result was that:the yield of the (Z.bungeananum) is increased when the combination of the potassium is at (0.00)-0.29,and it is decreased when the combination of the potassium is at 0.29-1.00;When the combination of the phosphorus is at (0.00)-0.31,it is increased;when the combination of the phosphorus is at 0.31-1.00,it is decreased;it is increased when the combination of the nitrogen is at 0.00-0.40,and it is decreased when the combination of the nitrogen is at 0.40-1.00.The result of data reduction analysis shows that the best fertilizer composition for the Z.bungeananum is m_N∶m_P∶m_K=(0.398-0.413)∶(0.298-0.313)∶(0.286-0.289).
出处
《西北农林科技大学学报（自然科学版）》
CSCD
北大核心
2003年第6期135-138,共4页
Journal of Northwest A&F University(Natural Science Edition)
基金
杨凌科研专项基金项目(02KJ-10-1
02KJ-10-2)
杨凌职业技术学院科研基金项目(A32002003)
关键词
花椒
混料设计
单形重心设计
降维分析
肥料配比
Znathoxylum bungeananum
mixture experiment design
simplex centriod design
data reduction analysis
fertilizer composition
