各种微量元素对棉花生长的作用
HEBEI NONGYE（2006）
Abstract
棉花在生长发育过程中需要吸收多种微量元素,用量虽少,但不可缺乏,也不能过量太多.了解和掌握各种微量元素对棉花生长的作用与影响,对科学施肥,节支增效意义重大.
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