间作小麦秸秆还田对地膜覆盖玉米灌浆期冠层温度及光合生理特性的影响

殷文,柴强,于爱忠,赵财,樊志龙,胡发龙,范虹,郭瑶

Effects of Intercropped Wheat Straw Retention on Canopy Temperature and Photosynthetic Physiological Characteristics of Intercropped Maize Mulched with Plastic During Grain Filling Stage

YIN Wen,CHAI Qiang,YU AiZhong,ZHAO Cai,FAN ZhiLong,HU FaLong,FAN Hong,GUO Yao

表4 不同种植模式不同处理玉米灌浆期冠气温差

Table 4 Canopy-air temperature difference of maize at grain-filling stage with different treatments and cropping patterns (℃)

年份 Year 处理 Treatment 灌浆前期 Early-filling stage 灌浆中期 Middle-filling stage 灌浆后期 Late-filling stage 平均 Average 2014 间作 Intercropping NTSI2 0.99e 2.19d 0.72d 1.30e NTSSI2 1.94d 2.70c 1.24c 1.96d CTSI 3.33c 2.81bc 2.11b 2.75c CTI 4.02ab 2.83bc 2.46b 3.10b 单作 Sole cropping NTM2 3.85bc 3.13b 2.11b 3.03bc CTM 4.45a 4.18a 3.41a 4.02a 2015 间作 Intercropping NTSI2 1.73e 1.90d 1.52f 1.72e NTSSI2 2.46d 2.50c 2.16e 2.37d CTSI 2.89c 3.18b 2.77d 2.95c CTI 3.79b 4.31a 4.07b 4.05b 单作 Sole cropping NTM2 4.13b 3.53b 3.23c 3.63b CTM 5.16a 4.41a 4.60a 4.72a 2016 间作 Intercropping NTSI2 2.01d 1.67e 1.08e 1.59d NTSSI2 3.05c 2.70d 1.93d 2.56c CTSI 3.40bc 3.18c 2.28c 2.95bc CTI 3.91b 3.93b 2.64b 3.49b 单作 Sole cropping NTM2 3.94b 3.83b 2.32bc 3.36b CTM 4.57a 5.02a 3.45a 4.35a 显著性 Significance 年份Year (Y) NS NS NS NS 处理Treatment (T) 0.000 0.001 0.000 0.000 年份×处理 Y×T NS NS NS NS