摘要
有机酸、无机酸及有机质都对土壤起酸化作用。一般认为,在酸性条件下,土壤中镉的有效性比较高,作物吸收利用的比较多,对作物的危害也比较大。但由于土壤的差异对作物吸收镉也表现出明显的差异。防治土壤酸化能有效抑制镉进入植物体内,进而防止毒害人类。
organic acid,inorganic acid and or ga nic matter acidize soil.In general,believe the efficacy of Cr in soil is high er,the matter that be absorbed and utilized is more,the harm to plants is grea ter in acid condition.The different soils lead to absorption of plants to Gr is remarkable different.So preventing soil from being acidized can restrain eff ectually Gr enter plants to poison human.
出处
《垦殖与稻作》
2003年第2期30-33,共4页
Reclaiming and Rice Cultivation