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2 春玉米播种前耕层构造对土壤三相比的影响
Table 2 Effect of plough layer constructions on three-phase ratio of soil in maize seeding
土层
Soil layer (cm)		 处理
Treatment		 固相
Solid phase (%)		 液相
Liquid phase (%)		 气相
Gas phase (%)		 GSSI STPSD
2015
0-10 CK 45.41±0.25 b 12.29±0.16 b 42.30±0.16 b 83.14±0.24 b 9.43±0.29 a
FLRC 42.01±0.67 c 12.17±0.73 b 45.82±1.37 a 78.68±2.61 c 9.62±1.19 a
AL 41.64±0.33 c 11.75±0.14 b 46.62±0.21 a 77.30±0.19 c 10.34±0.06 a
AC 50.06±0.25 a 14.52±0.31 a 35.42±0.55 c 91.20±0.66 a 10.58±0.11 a
10-20 CK 50.44±0.25 ab 16.35±0.60 a 33.21±0.69 b 94.23±0.89 a 9.29±0.64 a
FLRC 49.69±0.33 b 17.03±0.56 a 33.29±0.81 b 94.80±0.85 a 7.52±0.46 a
AL 46.42±0.22 c 15.58±0.62 a 38.00±0.83 a 93.95±1.17 a 4.85±1.05 b
AC 51.32±0.44 a 17.17±0.31 a 31.51±0.57 b 95.63±0.40 a 9.89±0.70 a
20-30 CK 52.08±0.87 a 19.51±0.23 a 28.42±0.67 b 98.03±0.09 a 9.39±1.69 a
FLRC 50.82±0.33 ab 19.10±0.82 a 30.08±1.05 ab 97.42±0.79 a 7.60±0.54 ab
AL 49.43±0.22 b 18.66±0.19 a 31.90±0.11 a 97.65±0.82 a 5.08±0.73 b
AC 51.32±0.22 a 20.23±0.57 a 28.45±0.70 b 98.47±0.40 a 7.73±0.39 ab
2016
0-10 CK 46.04±0.58 b 14.33±1.39 b 39.63±1.94 a 87.58±2.92 b 6.63±1.92 a
FLRC 44.28±0.25 c 14.57±0.15 b 41.15±0.13 a 86.60±0.12 b 5.59±0.32 a
AL 43.14±0.45 c 14.26±0.69 b 42.59±0.47 a 84.56±0.96 b 6.10±1.11 a
AC 50.82±0.50 a 17.26±0.50 a 31.92±0.23 b 95.57±0.46 a 8.95±1.24 a
10-20 CK 51.07±0.33 a 18.88±1.22 a 30.05±1.51 b 97.12±1.06 a 8.33±0.47 a
FLRC 47.42±0.33 b 16.63±0.91 a 35.95±1.11 a 97.49±0.39 a 3.96±1.64 b
AL 48.55±0.67 b 18.83±1.11 a 32.62±1.75 ab 96.09±1.34 a 3.04±0.73 b
AC 51.95±0.33 a 18.83±0.41 a 29.22±0.72 b 92.79±1.39 b 9.74±0.36 a
20-30 CK 53.08±0.50 a 21.06±1.37 a 25.85±1.86 a 98.53±0.68 a 10.78±0.31 a
FLRC 52.45±0.22 a 21.22±0.67 a 26.33±0.81 a 99.03±0.26 a 9.41±0.36 a
AL 52.45±0.33 a 21.16±0.27 a 27.39±0.14 a 99.09±0.12 a 7.37±0.82 b
AC 53.46±0.45 a 21.23±0.62 a 25.31±1.07 a 98.85±0.06 a 11.20±0.60 a
P值 P-value
处理 Treatment (T) 0.000 0.424 0.015 0.060 0.000
年份 Year (Y) 0.145 0.007 0.033 0.043 0.102
处理×年份 T×Y 0.923 0.920 0.922 0.896 0.376