【摘要】 本文化钼肥和双氰胺降低蔬菜硝酸盐积累的作用进行了盆载试验.结果表明:施用钼肥和双氰胺能够显著降低蔬菜硝酸盐的积累.用钼和双氰胺的复合应用,其降低蔬菜硝酸盐的效果是两者的加和.复合施用2周后,可使施用尿素的蔬菜硝酸盐的含量基本上降到与施用有机肥种植蔬菜的相同水平.更多还原

【Abstract】 The effects of Dicyandiamide (DCD) and Molybdenum (Mo) on reducing nitrate accumulation in vegetables were carried out in pot-test. The results showed that DCD and Mo could obviously reduce nitrate accumulation in vegetables. The united effect of DCD and Mo were used, nitrate contents in the vegetables with urea would be almost reduced to the same level in the vegetables with organic manure.更多还原