采用田间小区定位试验,研究了自然降雨条件下施用猪粪有机肥对稻麦两熟农田稻季养分径流流失的影响。结果表明:稻季径流水量可达2 285.10m3/hm2;常规施肥(T0)条件下,稻田径流流失全N(TN)和全P(TP)总量分别为4.71kg/hm2和154.08g/hm2,流失率分别为1.74%和0.23%,且水稻产量可达8 861.50kg/hm2;较常规施肥处理而言,秸秆还田(T1)处理显著减少TP径流流失总量达16.68%,显著降低TP径流流失率达16.68%。同时,有机肥50%替代氮肥(T3)处理可减少稻季TN径流流失量达5.49%,也可显著降低TP径流流失率达23.32%,且水稻产量未显著下降。然而,有机肥100%替代氮肥(T4)处理增加稻季TN径流流失量1.31%,处理间差异不显著,但极显著增加TP径流流失量和流失率,且极显著降低水稻产量达37.87%。试验结果表明,在水稻高产稳产条件下,猪粪有机肥50%替代氮肥措施的减排效果较好。 Field experiment was conducted to study the effect of organic manure applied on pig manure on runoff of paddy and rice in two years of paddy field under natural rainfall. The results showed that the runoff of rice was up to 2 285.10m3 / hm2, and the total N (TN) and total P (TP) of runoff were 4.71kg / hm2 and 154.08g / hm2 under conventional fertilizer application , The loss rates were 1.74% and 0.23%, respectively, and the rice yield was 8 861.50kg / hm2. Compared with the conventional fertilization treatments, straw returning (T1) treatment significantly reduced the total amount of TP runoff loss by 16.68% and significantly reduced TP Runoff loss rate of 16.68%. At the same time, treatment with 50% organic manure instead of nitrogen fertilizer reduced the TN runoff loss by 5.49% during the rice season, and also significantly reduced the runoff loss by 23.32% and the rice yield did not decrease significantly. However, treatment with 100% organic manure instead of nitrogen increased the TN runoff loss by 1.31% during the rice season, but there was no significant difference among the treatments, but the runoff loss and runoff rate of TP were significantly increased, and the rice yield was reduced significantly by 37.87%. The results showed that under the conditions of high and stable rice yield, the 50% replacement of manure with pig manure had better emission reduction effect.