摘要
探讨了几种工农业废渣施入被镉、铅污染的土壤中后，土壤ｐＨ、可给态铺、铅含量的变化，以及对叶菜的生长，吸收镉、铅的影响。结果表明，糖厂废渣白滤泥能明显提高ｐＨ值，降低镉铅活性，在抑制镉、铅进入植物体方面效果最好，能代替石灰，变废为宝，可作为酸性污染土壤的良好改良剂。
AbstractPot experiments were conducted to study effects of 8 soil amend-ments from agricultural and industrial solid wastes on plant growth andCd and Pb uptake by leaf vegetables grown on a contaminated soil.Changes on soil pH and available Cd and Pb extracted by 0.1mol/L CaCl_2were also investigated Results showed that the waste from H_2SO_3-treatedsugar canc and that of pig production increased the vegetable yield signifi-cantly all ctudied solid wastes except for the bagasse and the H_2SO_3-treated waste of sugar cane decreased the heavy metal accumulation inplant stems and leaves obviously,especially the waste from H_2CO_3-treatedof sugar cane substantially increased the soil pH and reduced the soil extractable metals.
出处
《农业环境保护》
CAS
CSCD
1995年第4期145-149,共5页
Agro-Environmental Protection
