Growth and efficiency of water and nitrogen of wheat under optimized models
Author(s): LI Zhiyong, GUO Yongxin, GUO Yuzuo
Pages: 1-4
Year: 2003 Issue: 1
Journal: JOURNAL OF HENAN UNIVERSITY OF SCIENCE & TECHNOLOGY(AGRICULTURAL SCIENCE)
Keyword: 冬小麦; 优化水肥; 传统水肥; 秸秆还田;
Abstract: 试验结果表明:优化水肥及秸秆还田优化水肥条件下冬小麦总根量显著高于传统水肥,根长密度和根重密度随土层深度递减速度慢,氮肥当季利用率显著提高,但各处理条件下水分利用效率差异不明显.
Pages: 1-4
Year: 2003 Issue: 1
Journal: JOURNAL OF HENAN UNIVERSITY OF SCIENCE & TECHNOLOGY(AGRICULTURAL SCIENCE)
Keyword: 冬小麦; 优化水肥; 传统水肥; 秸秆还田;
Abstract: 试验结果表明:优化水肥及秸秆还田优化水肥条件下冬小麦总根量显著高于传统水肥,根长密度和根重密度随土层深度递减速度慢,氮肥当季利用率显著提高,但各处理条件下水分利用效率差异不明显.
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