氮肥与促腐菌肥配施对寒地水稻秸秆还田腐解效果及产量的影响

曹正男, 赵振东, 胡博, 于涵, 宁晓海, 赵泽强, 曹立勇

Effects of Nitrogen Fertilizer and Promoting Rot Bacteria Fertilizer on Decomposition Effect of Returning Rice Straw to Field and Yield in Cold Regions

Cao Zhengnan, Zhao Zhendong, Hu Bo, Yu Han, Ning Xiaohai, Zhao Zeqiang, Cao Liyong

表1 水稻秸秆腐熟过程中的累积腐解率

Table 1 Cumulative decomposition rate of rice straw during the maturation process %

处理 Treatment 累积腐解率Cumulative decomposition rate 30 d 60 d 90 d 120 d T1 22.35±0.90c 37.32±0.89c 47.36±1.35d 52.33±1.37d T2 28.02±0.86a 46.57±2.36a 60.55±1.08a 72.35±1.79a T3 27.12±1.17a 44.14±0.52a 56.80±1.39b 66.68±1.29b T4 24.27±0.32b 41.08±0.71b 51.93±1.85c 61.70±0.78c CK 20.35±0.90d 33.07±1.45d 41.48±0.82e 44.25±0.96e