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不同颜色地膜和种植密度对春玉米田间地温、耗水及产量的影响
孙仕军,朱振闯,陈志君,杨丹,张旭东
Effects of Different Colored Plastic Film Mulching and Planting Density on Soil Temperature, Evapotranspiration and Yield of Spring Maize
SUN ShiJun,ZHU ZhenChuang,CHEN ZhiJun,YANG Dan,ZHANG XuDong

图5. 2016—2018不同处理对玉米各生育时期耕层积温的影响
S：苗期（2016.05.01-2016.06.12,2017.05.03-2017.06.15,2018.04.28-2018.06.11）;J：拔节期（2016.06.13-2016.07.09,2017.06.16-2017.07.11,2018.06.12-2018.07.07）;H：抽穗期（2016.07.10-2016.07.23,2017.07.12-2017.07.24,2018.07.08-2018.07.19）;G：灌浆期（2016.07.24-2016.08.16,2017.07.25-2017.08.15,2018.07.20-2018.08.12）;M：成熟期（2016.08.17-2016.08.27,2017.08.16-2017.09.23,2018.08.13-2018.09.19）。不同小写字母表示处理间差异显著（P<0.05）。下同

Fig. 5. Effects of different treatments on the accumulated temperature of the plough layer of maize in different growth stages in 2016-2018
S: Seeding stage (2016.05.01-2016.06.12, 2017.05.03-2017.06.15, 2018.04.28-2018.06.11); J: Jointing stage (2016.06.13-2016.07.09, 2017.06.16-2017.07.11, 2018.06.12-2018.07.07); H: Heading stage (2016.07.10-2016.07.23, 2017.07.12-2017.07.24, 2018.07.08-2018.07.19); G: Filling stage (2016.07.24-2016.08.16, 2017.07.25-2017.08.15, 2018.07.20-2018.08.12); M: Mature stage (2016.08.17-2016.08.27, 2017.08.16-2017.09.23, 2018.08.13-2018.09.19). Different lowercase letters indicated significant differences under different treatments (P<0.05). The same as below