灌水时间和灌水比例对单套作玉米产量 及水分利用效率的影响

彭霄,蒲甜,杨峰,杨文钰,王小春

Effects of Irrigation Time and Ratio on Yield and Water Use Efficiency of Maize Under Monoculture and Intercropping

Xiao PENG,Tian PU,Feng YANG,WenYu YANG,XiaoChun WANG

表5 不同处理对玉米穗部性状及产量构成因素的影响

Table 5 Effects of different treatments on ear characters and yield components of maize

年份 Year 处理 Treatment 穗长 Ear length (cm) 秃尖长 Bald length (cm) 穗粒数 Kernels per spike 有效穗 Number of productive (ear/hm2) 空秆 Empty (spike/hm2) 千粒重 1000-kernel weight (g) 2016 A1B1 16.38a 1.24d 581b 54436b 5562b 256.39a A1B2 16.43a 1.71b 603a 57436a 2562d 260.47a A1B3 16.14a 1.97a 621a 58190a 1808e 254.52a A2B1 14.94a 1.55c 571b 54463b 5535b 249.34a A2B2 14.94a 1.53c 586b 57186a 2812c 257.44a A2B3 15.45a 2.00a 565c 53102b 6896a 244.24a F值F-value A 4.79 1.61 220.21** 1542.78** 103195.32** 31.25 B 0.02 59.91** 42.16** 127.01** 90673.31** 21.82 A×B 0.21 9.96** 59.74** 810.09** 90816.22** 8.28 2017 A1B1 20.11a 2.00c 609c 55062b 4943c 283.98a A1B2 19.76a 1.68d 641b 56939b 3064e 285.82a A1B3 22.56a 1.41e 674a 59442a 563f 280.21a A2B1 18.60a 2.27b 556e 53995c 6007b 269.61a A2B2 18.16a 1.69d 581d 55810b 4188d 279.42a A2B3 18.26a 2.86a 543e 49912d 10089a 277.23a F值F-value A 5.89 569.97** 808.15** 139.76** 1.92 2.81 B 0.72 154.84** 41.71** 12.83** 0.17 0.53 A×B 0.80 336.97** 75.42** 72.28** 1153222.83 0.51