【摘要】 研究探讨了施用污泥对玉米产量、质量、土壤肥力和土壤及玉米重金属含量的影响。结果表明,每公顷施用污泥7500～30000kg,能够使玉米产量增加、品质改善,土壤肥力提高,而未对土壤和作物产生重金属元素污染。更多还原

【Abstract】 Effects of sludge application on the yield and quality of maize, Soil fertility and heavy metal contents in soil and maize were investigated in this experiment. The results showed that applying sludge of 7500-30000 kg/ha could increase the yield and quality of maize, improve the soil fertility without polluting the soil and crop by heavy metals.更多还原