m

humus The more or less decomposed organic matter in the soil. Besides being the source of most of the mineral salts needed by plants, humus improves the texture of the soil and holds water, so reducing the loss of nutrients by leaching

humus mantillo m

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humus

: 76 短语, 7 学科

一般	1
农业	6
土壤科学	7
林业	2
环境	6
生命科学	30
自然科学	24

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