The activity of soil microorganism is inhibited at low dose. At high dose, the crop yield is decreased by 10%, and on acid soil,by 50%. Alfalfa and tree are also yield decreased.
英
美
释义
低剂量时 ;即可使土壤微生物活性受到抑制 ;高剂量时可使农作物减产 1 0%25 ;在酸性土壤上减产达 50%25以上 ;对苜蓿及树木也同样引起减产 .
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