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fu zhi suan yu zhong liang yuan su gai mei liu
Pages: 43-44
Year: Issue:  2
Journal: Humic Acid

Abstract:  1中量元素在农作物上的作用 众所周知,农作物不仅需要氮(N),磷(P)、钾(K)等大量元素,而且需要钙(Ca)、镁(Mg)、硫(S)等中量元素及锌(Zn)、硼(B)、锰(Mn)、钼(Mo)、铜(Cu)、铁(Fe)、氯(Cl)等微量元素,缺乏任何一种营养元素都会引发农作物生理性病害.中量元素是农作物生长过程中需要量次于大量元素而高于微量元素的营养元素.
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