humus balance
... row humus 粗腐殖质 humus accumulation 腐殖质沉积 ; humus balance 腐殖质均衡 ; 腐殖质平衡 ...
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本品原料选自营养均衡的天然海藻、腐殖质和各类有机质，含有多种微量元素。
Natural alga, humus and several of organic matter which has balanced nutrients and contain many microelements are the component of this product.
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