三丰有机肥在大白菜上的应用

Application of Sanfeng Organic Fertilizer on Chinese Cabbage

连续两年试验表明：在贵阳地区施用１００～３００ｋｇ／６６７ｍ２的三丰ＮＰＫ－８８８和ＮＰＫ－６９６两种型号有机肥，对大白菜的生长势、结球率、净菜率、抗病性以及营养品质等均有不同程度的正向影响，大白菜产量较对照增产１４％～４２％；从增产幅度和经济效益两方面综合考虑，以施用ＮＰＫ－８８８型或ＮＰＫ－６９６型１００ｋｇ／６６７ｍ２相对较宜。

The effect of two types, NPK 888 and NPK 696 (Sanfeng brand organic fertilizer) with three applying norm (100,200 and 300 kg/667m 2 ) on Chinese cabbage was tested in Guiyang district. The results from two years' experiment showed that the fertilizers tested had the positive effect on growth vigor, heading rate, net head rate, disease resistance and nutrient quality, and the yield increased by 14%～42%. Considering economical benefit and increase range,the best applying norm is 1 500 kg/ha .