华北农学报 ›› 2005, Vol. 20 ›› Issue (2): 66-71. doi: 10.3321/j.issn:1000-7091.2005.02.018

所属专题: 小麦

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不同水氮优化组合模式对冬小麦产量形成及水氮资源利用效率的影响

李志勇1, 陈建军2, 王璞3   

  1. 1. 河南科技大学, 河南, 洛阳, 471003;
    2. 华南农业大学, 农学院, 广东, 广州, 510642;
    3. 中国农业大学, 农学与生物技术学院, 北京, 100094
  • 收稿日期:2004-05-15 出版日期:2005-04-28
  • 作者简介:李志勇(1965-),男,河南开封人,博士,副教授,主要从事农艺措施优化决策方面的研究工作.
  • 基金资助:
    国家自然科学基金(30070451);中德合作项目(0339712A)A2子项目

Effects of the Different Irrigation-Fertilization Optimization Models on Grain Yield, Yield Structure and Water and Nitrogen Use Efficiency of Winter Wheat

LI Zhi-yong1, CHEN Jian-jun2, WANG Pu3   

  1. 1. Henan University of Science and Technology, Luoyang 471003, China;
    2. Agronomic College, South China Agricultural University, Guangzhou 510642, China;
    3. College of Agronomy and Biotechnology, China Agricultural University, Beijing 100094, China
  • Received:2004-05-15 Published:2005-04-28

摘要: 针对华北平原冬小麦生产中氮肥及灌水存在严重浪费, 进而引起环境污染问题进行了研究.在传统灌溉-优化施肥、优化灌溉-传统施肥、优化水肥、秸秆还田优化水肥及传统水肥条件下, 冬小麦单位面积收获穗数和子粒产量无显著性差异.优化水肥和秸秆还田优化水肥冬小麦穗粒数显著减少, 千粒重显著提高.所有处理间冬小麦水分利用效率无显著性差异.传统灌溉-优化施肥、优化水肥及秸秆还田优化水肥氮肥当季利用率显著提高, 因此达到了挖掘冬小麦的节肥潜力, 提高优化灌溉条件下氮肥利用效率的目的.

关键词: 冬小麦, 灌溉, 施肥, 优化

Abstract: The experimental results showed insignificant difference in the ear number per unit area and grain yield of winter wheat between the traditional irrigation-optimized fertilization, optimized irrigation-traditional fertilization, optimized irrigation-optimized fertilization, optimized irrigation-optimized fertilization with crop residues, and traditional irrigation-traditional fertilization|the greatly reduced grain number per ear and significantly heavier weight of 1 000 grains of the optimized irrigation-optimized fertilization and optimized irrigation-optimized fertilization with crop residues|the significantly higher nitrogen use efficiency of the traditional irrigation-optimized fertilization, optimized irrigation-optimized fertilization and optimized irrigation-optimized fertilization with crop residues|and indistinct difference in water use efficiency between the five treatments.

Key words: Winter wheat, Irrigation, Fertilization, Optimization

中图分类号: 

引用本文

李志勇, 陈建军, 王璞. 不同水氮优化组合模式对冬小麦产量形成及水氮资源利用效率的影响[J]. 华北农学报, 2005, 20(2): 66-71. doi: 10.3321/j.issn:1000-7091.2005.02.018.

LI Zhi-yong, CHEN Jian-jun, WANG Pu. Effects of the Different Irrigation-Fertilization Optimization Models on Grain Yield, Yield Structure and Water and Nitrogen Use Efficiency of Winter Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2005, 20(2): 66-71. doi: 10.3321/j.issn:1000-7091.2005.02.018.

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