秸秆条带还田对东北春玉米产量、土壤水氮及根系分布的影响

安俊朋, 李从锋, 齐华, 隋鹏祥, 张文可, 田平, 有德宝, 梅楠, 邢静

Effects of Straw Strip Returning on Spring Maize Yield, Soil Moisture, Nitrogen Contents and Root Distribution in Northeast China

Jun-Peng AN, Cong-Feng LI, Hua QI, Peng-Xiang SUI, Wen-Ke ZHANG, Ping TIAN, De-Bao YOU, Nan MEI, Jing XING

表2 吐丝期不同处理对春玉米根干重及根冠比的影响

Table 2 Effects of different treatments on root dry weight and root shoot ratio at silking stage

处理 Treatment	2015		2016
处理 Treatment	根干重 Root biomass (g plant^-1)	根冠比 Root shoot ratio	根干重 Root biomass (g plant^-1)	根冠比 Root shoot ratio
RR+S	12.61±0.43 b	0.040±0.001 b	15.71±0.66 b	0.047±0.002 b
RR	17.12±0.30 a	0.063±0.001 a	14.60±0.55 b	0.047±0.002 b
IR+S	11.22±0.82 c	0.038±0.003 b	15.71±0.64 b	0.046±0.002 b
IR	16.89±0.86 a	0.063±0.003 a	18.81±1.07 a	0.061±0.003 a
显著性分析(F值) Interaction analysis of root biomass and root shoot ratio (F-value)
S	184.430^**	304.516^**	5.135	30.550^**
M	4.668	2.037	23.067^**	18.690^**
S×M	2.410	0.066	23.033^**	29.627^**