北方农业学报 ›› 2012, Vol. ›› Issue (1): 47-47.
• 土壤肥料与植物保护 • 上一篇 下一篇
李顺乾
出版日期:
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基金资助:
LI Shun-qian （Zhuanglang Agricultural Technology Extension Center,Zhuanglang 744600,China）
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摘要： 试验共设5个氮肥底施与追施比例处理,设计追施比例占总施氮量的0～100%,变幅20%。试验结果表明,以庄浪县旱地梯田为代表的旱寒区冬小麦氮肥的最佳底施比例占总施氮量的69.63%,即2/3左右。
Abstract: In this experiment,we conducted five different treatments of nitrogen ratio of base and topdressing to winter wheat,the topdressing proportion to the total amount of nitrogen was between 0 and 100%,the amplitude was 20%.The results indicated that winter wheat in the zhuanglang county as the representative of dry and cold areas of loessal soil,nitrogen optimal base fertilizer proportion to the total amount of nitrogen was 69.63%,namely 2/3.
中图分类号:
李顺乾. 旱寒区黄绵土冬小麦氮肥底施与追施比例试验[J]. 北方农业学报, 2012, (1): 47-47.
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