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3 水稻主要生育期根系干物质积累量和根冠比
Table 3 Root dry matter accumulation and root-shoot ratio of rice at main growth stages
处理
Treatment
根系干物质积累量Root dry matter accumulation (kg/hm2) 根冠比Root-shoot ratio
分蘖期Tillering 齐穗期Heading 成熟期Maturity 分蘖期Tillering 齐穗期Heading 成熟期Maturity
T1 1139.89b 2177.88bc 1470.26bc 0.24c 0.18d 0.08c
T2 1292.46a 2396.17a 1682.60a 0.29ab 0.20cd 0.09bc
T3 1249.04ab 2288.33ab 1569.60ab 0.29ab 0.21bc 0.08bc
T4 1213.87ab 2128.87c 1423.61c 0.31c 0.22bc 0.09b
CK 965.73c 1625.32d 1282.47d 0.27bc 0.24a 0.12a