有机肥替代化肥对水稻产量、土壤肥力及农田氮磷流失的影响

马凡凡,邢素林,甘曼琴,刘佩诗,黄瑜,甘晓玉,马友华

Effects of Organic Fertilizer Substituting for Chemical Fertilizer on Rice Yield, Soil Fertility and Nitrogen and Phosphorus Loss in Farmland

Fanfan Ma,Sulin Xing,Manqin Gan,Peishi Liu,Yu Huang,Xiaoyu Gan,Youhua Ma

表3 有机肥替代化肥对稻季土壤养分含量的影响

Table 3 Effects of organic fertilizer substituting for chemical fertilizer on soil nutrient content during the rice season

处理Treatment 有机质Organic matter (g/kg) 全氮Total nitrogen (g/kg) 有效磷Available phosphorus (mg/kg) 速效钾Available potassium (mg/kg) CK 21.66e 0.69d 8.16e 150.14f CF 27.96d 1.20bc 17.68d 194.04e M1 29.03c 1.18bc 18.37d 219.74cd M2 30.70bc 1.25b 21.23c 210.17d M3 33.27a 1.39a 26.90a 291.37a F1 29.25c 1.13c 17.75d 226.47c F2 30.01bc 1.21b 20.79c 197.00e F3 31.14b 1.31a 24.52b 256.98b