耕层构造对土壤三相比和春玉米根系形态的影响

白伟,孙占祥,张立祯,郑家明,冯良山,蔡倩,向午燕,冯晨,张哲

Effects of plough layer construction on soil three phase rate and root morphology of spring maize in northeast China

Wei BAI,Zhan-Xiang SUN,Li-Zhen ZHANG,Jia-Ming ZHENG,Liang-Shan FENG,Qian CAI,Wu-Yan XIANG,Chen FENG,Zhe ZHANG

表1 耕层构造对玉米产量及构成因素的影响

Table 1 Effect of plough layer constructions on maize yield and yield components

处理 Treatment 成穗数 Ear number (Ear hm-2) 穗行数 Kernel-row number per ear 行粒数 Number of kernels per row 秃尖长 Bare top length (cm) 百粒重 100-kernel weight (g) 籽粒产量(14%含水量) Yield (14% moisture content) (kg hm-2) 2015 CK 64939.18±7734.35 a 14.13±0.60 b 24.60±1.04 b 0.53±0.11 b 28.88±0.92 a 6436.52±412.46 b FLRC 57854.14±8309.26 a 15.20±0.33 ab 31.07±1.49 a 0.40±0.11 b 32.40±1.36 a 8630.47±304.33 a AL 57263.75±5567.11 a 15.20±0.43 ab 29.27±1.87 a 0.77±0.15 ab 30.32±1.50 a 7600.27±756.73 ab AC 51158.35±3577.10 a 16.00±0.28 a 32.73±1.19 a 1.00±0.22 a 32.32±0.77 a 8601.47±388.18 a 2016 CK 54256.85±11273.36 a 14.20±0.46 a 32.87±2.20 b 0.15±0.08 a 38.33±0.87 a 9140.73±267.83 b FLRC 54744.88±2891.83 a 15.60±0.35 a 36.80±1.13 ab 0.00±0.00 a 38.05±1.94 a 11865.41±318.71 a AL 49325.71±1472.34 a 15.87±0.24 a 37.20±0.73 a 0.13±0.08 a 37.21±1.96 a 10803.56±410.85 a AC 50291.29±3305.79 a 14.53±0.50 a 33.13±1.53 ab 0.20±0.10 a 37.98±0.91 a 9150.67±457.96 b P值 P-value 处理 Treatment (T) 0.549 0.004 0.002 0.087 0.500 0.000 年份 Year (Y) 0.225 0.776 0.000 0.000 0.000 0.000 处理×年份 T×Y 0.861 0.051 0.031 0.009 0.480 0.022