施有机肥菜田施用的有机肥料,在腐解过程中会形成有机胶体,而有机胶体对阳离子具有很强的吸附能力,当化肥施入土壤后,由于阳离子多被胶体所吸附,于是土壤溶液中数量相对减少,从而使土壤溶液的浓度不致升得过高,可以提高土壤养分的缓冲能力,大大减少肥害的可能性。 Organic fertilizer applied organic vegetable fields in the decomposing process will form organic colloids, and organic colloids have a strong adsorption capacity of cations, when the fertilizer is applied to the soil, the cation is mostly due to adsorption of colloids, soil solution In the relative reduction in the number, so that the soil solution concentration does not rise too high, can improve the buffer capacity of soil nutrients, greatly reducing the possibility of fertilizer damage.