四川农业大学学报 ›› 1999, Vol. 17 ›› Issue (03): 282-286.doi: 10.16036/j.issn.1000-2650.1999.03.009

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优良玉米新杂交种川单13号高产栽培技术初步研究

刘永建1, 潘光堂2   

  1. 1. 四川农业大学 职业技术师范学院, 四川 雅安 625014;
    2. 四川农业大学 玉米研究中心, 四川 雅安 625014
  • 收稿日期:1999-05-19 出版日期:1999-09-30 发布日期:2017-04-22
  • 基金资助:
    四川省农作物新品种开发专项资金——后启动资金

Preliminarily Studies on High yield Cultivated Technology of Perfect Maize Hybrid SAU-13

LIU Yongjian1, PAN Guangtang2   

  1. 1. Teachers College of Professional Education, Sichuan Agricultural University, Yaan 625014, China;
    2. Maize Research Center, Sichuan Agricultural University, Yaan 625014, China
  • Received:1999-05-19 Online:1999-09-30 Published:2017-04-22

摘要: 本文采用三因素二次回归正交旋转组合设计,建立了玉米川单13号小区产量与播种期(X1)、种植密度(X2)和KCl施用量(X3)的数学模型ŷ=6770.8695-184.0830 X1+278.5230X2+118.8810X3+8.6250X1X2-397.5000X1X3+246.3750X2X3-92.2440X12+191.8530X22-101.0565 X32。经因子水平选优,得出产量在7500kg/hm2以上的栽培模式为:3月19日~29日播种,按50430~51360株/hm2密度种植,施KCl157.65~220.80kg/hm2

关键词: 玉米, 数学模型, 农艺措施

Abstract: The mathematical model of sowing time (X1), planting density and KCl applied amount for plot yield of maize inbreed SAU 13 was established as ŷ=6770.8695-184.0830 X1+278.5230X2+118.8810X3+8.6250X1X2-397.5000X1X3+246.3750X2X3-92.2440X12+191.8530X22-101.0565X32 by means of three factor five level quadratic orthogonal regressive rotation combination design. According to the fine selection, the scheme of cultural model for yielding above 7500kg/hm2was obtained from the mathematical model as follows, planting at the density of 50430~51360plants/hm2, sowing between March 19th and March 29th, applying KCl 157 65~220 80kg/hm2.

Key words: MAIZE, MATHEMATIC MODEL, AGRINOMIC PRACTICES

中图分类号: 

  • S513.044