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一种根据土壤基础肥力调节氮肥施用时期和施用量的冬小麦种植方法
- 专利权人:
- 山东省农业科学院作物研究所
- 发明人:
- 王宗帅,王法宏,李升东,孔令安,李华伟,冯波,司纪升,张宾
- 申请号:
- CN202010506952.6
- 公开号:
- CN111512910A
- 申请日:
- 2020.06.05
- 申请国别(地区):
- CN
- 年份:
- 2020
- 代理人:
- 摘要:
- 本发明涉及一种根据土壤基础肥力调节氮肥施用时期和施用量的冬小麦种植方法:在大田中设置富氮区和氮肥待追施区,氮肥待追施区按照总施氮量的60%施基肥,在越冬期和挑旗期分别测定富氮区和氮肥待追施区中麦苗的根系干重,分别为w1、w2,若是w1/w2≤1时,则不需要追施氮肥;若是w1/w2>1时,需要追施氮肥。按照本发明的方法,氮肥施用量显著减少,氮肥利用率高,小麦产量高。
- 来源网站:
- 中国工程科技知识中心
- 来源网址:
- http://www.ckcest.cn/home/
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