[1]胡建军,张月琴,温学飞,等.基于“3414”模型研究宁夏盐池县玉米氮磷钾施肥效应[J].水土保持研究,2011,18(04):268-272.
　HU Jian-jun,ZHANG Yue-qin,WEN Xue-fei,et al.Study on the Effects of Nitrogen,Phosphorus and Potassium on Corn Based on ‘3414’ Model in Yanchi County[J].Research of Soil and Water Conservation,2011,18(04):268-272.
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基于“3414”模型研究宁夏盐池县玉米氮磷钾施肥效应

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年04期 页码: 268-272 栏目: 出版日期: 2011-08-20
Title:
Study on the Effects of Nitrogen,Phosphorus and Potassium on Corn Based on ‘3414’ Model in Yanchi County
作者:
胡建军1, 张月琴1, 温学飞2, 郭宝1, 张宏1, 赵秀玲1
1. 盐池县农牧局技术推广服务中心, 宁夏盐池 751500;
2. 宁夏农林科学院荒漠化治理研究所, 银川 750002
Author(s):
HU Jian-jun1, ZHANG Yue-qin1, WEN Xue-fei2, GUO Bao1, ZHANG Hong1, ZHAO Xiu-ling1
1. Center forTechnology Extension and Service, Yanchi Agro-pastoral Bureau, Yanchi, Ningxia 751500, China;
2. Institute of Desertification Control, Ningxia Academy of Agriculture and Forestry Sciences, Yinchuan 750002, China
关键词:
玉米; 肥料效应; 测土配方; 最佳施肥量
Keywords:
corn fertilizer effect; soil testing and fertilizer recommendation; optimum amount of fertilization
分类号:
S513;S506.2
摘要:
2008年在盐池县具有代表性的土壤类型上进行了玉米"3414"试验，结果表明：地力贡献率为54.84%，说明土壤属于中等肥力。N、P、K对玉米产量影响大小顺序为N>P>K，增产效果居首位的为氮肥，施用纯N 240 kg/hm2的增产效应达到2 751.45 kg/hm2；P肥的增产幅度次之，施用纯P 120 kg/hm2的增产效应达到1 023.45 kg/hm；施用纯K 75kg/hm2的增产效应为236.7 kg/hm2。在不同肥料的交互作用中，N×P的交互作用对产量影响最大，N×P>N×K>P×K。施氮（N）量为360 kg/hm2，施磷量（P）为107.81 kg/hm2，施钾量（K）为4.30 kg/hm2时，玉米产量最高为7 652.23 kg/hm2。玉米产量与N、P、K肥料效应回归模型为三元二次多项式回归模型，经显著性检验达到极显著水平，可以为玉米生产施肥提供借鉴。
Abstract:
In this study, a ‘3414’ experiment of corn has been arranged on a representative soil type in Yanchi County. The results showed that the soil was middle fertility and the contribution of land capability reached 54.84%. The effect of NPK on corn yield was N>P>K. Nitrogen had the most significant effect on yield, and the yield increasing effect of pure nitrogen (240 kg/hm2) reached 2 751.45 kg/hm2;the yield increasing effect of pure phosphorus (120 kg/hm2) reached 1 023.45 kg/hm2;and the yield increasing effect of pure potassium (75 kg/hm2) reached 236.7 kg/hm2. The most influential effect on corn yield was the interaction of N and P in the interaction among different fertilizers, and the order of significance of interaction effects was N×P>N×K>P×K. When the corn yield reached 7 652.23 kg/hm2, it needed pure N (360 kg/hm2), pure P (107.81 kg/hm2) and pure K (4.30 kg/hm2). Fertilization effect model of corn was a three variables power two polynomial regression model, which reached an extremely significant level and could provide suggestions for corn production.

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备注/Memo

收稿日期:2010-12-20;改回日期:2011-2-24。
基金项目:农业部测土配方施肥补贴项目
作者简介:胡建军（1969- ），男，宁夏盐池县人，高级农艺师，主要从事生态农业研究与示范推广等工作。E-maill：zfdd1118@sina.com
通讯作者:温学飞（1972- ），男，宁夏盐池县人，助理研究员，学士，主要从事干旱区农业研究。E-maill：wenxuefei1973@126.com

更新日期/Last Update: 1900-01-01