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3 春玉米收获后耕层构造对土壤三相比的影响
Table 3 Effect of plough layer constructions on three-phase ratio of soil in maize harvest
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 51.82±0.33 b 11.98±0.50 b 36.20±0.81 a 86.79±1.29 b 14.92±0.20 a
FLRC 50.31±0.55 c 12.75±0.56 ab 36.93±0.98 a 87.80±1.37 ab 12.62±0.53 b
AL 51.07±0.33 bc 14.40±0.60 a 34.53±0.91 ab 91.39±1.14 a 11.93±0.23 b
AC 53.46±0.33 a 13.52±0.38 ab 33.02±0.18 b 90.57±0.67 ab 15.56±0.68 a
10-20 CK 55.72±0.67 a 16.33±0.76 a 27.95±1.42 a 94.74±0.68 a 16.91±0.59 a
FLRC 54.34±0.44 a 15.10±0.47 a 30.56±0.81 a 93.32±0.75 a 15.65±0.47 a
AL 55.47±0.22 a 16.96±0.74 a 27.56±0.59 a 95.60±0.75 a 16.18±0.64 a
AC 54.97±0.33 a 16.66±0.46 a 28.37±0.79 a 95.37±0.51 a 15.61±0.23 a
20-30 CK 56.98±0.44 a 19.86±0.23 a 23.16±0.34 a 97.14±0.29 a 17.27±0.71 a
FLRC 55.60±0.13 c 18.96±1.64 a 25.44±1.74 a 96.77±1.03 a 15.62±0.50 a
AL 55.72±0.45 bc 20.17±0.28 a 24.11±0.19 a 97.87±0.30 a 15.22±0.80 a
AC 56.86±0.33 ab 19.71±0.48 a 23.43±0.15 a 97.15±0.34 a 17.13±0.66 a
2016
0-10 CK 52.96±0.33 b 18.89±0.15 a 28.15±0.21 a 97.66±0.13 a 11.33±0.61 b
FLRC 51.45±0.55 c 20.02±0.15 a 28.53±0.62 a 98.37±0.16 a 8.03±1.00 c
AL 52.20±0.33 bc 19.49±0.76 a 28.31±1.06 a 97.96±0.52 a 9.82±0.32 bc
AC 54.59±0.33 a 18.45±0.55 a 26.96±0.26 a 97.15±0.46 a 14.13±0.76 a
10-20 CK 56.10±0.25 a 21.77±0.38 a 22.13±0.57 a 97.98±0.16 a 15.42±0.36 a
FLRC 55.35±0.45 a 23.20±0.58 a 21.45±0.31 a 98.36±0.22 a 13.94±0.81 a
AL 55.72±0.33 a 22.47±0.89 a 21.80±1.03 a 98.07±0.24 a 14.71±0.52 a
AC 56.10±0.33 a 21.22±0.23 a 22.68±0.19 a 97.96±0.21 a 15.53±0.58 a
20-30 CK 57.61±0.25 ab 25.66±0.70 ab 16.73±0.78 a 94.78±0.72 a 17.53±0.19 a
FLRC 56.60±0.22 b 26.59±0.30 a 16.81±0.14 a 95.29±0.12 a 15.97±0.33 b
AL 56.86±0.45 b 25.30±0.74 ab 17.84±1.00 a 95.95±0.81 a 16.32±0.71 b
AC 57.99±0.33 a 23.95±0.65 b 18.06±0.95 a 95.61±0.80 a 18.14±0.50 a
P值 P-value
处理 Treatment (T) 0.095 0.808 0.893 0.528 0.009
年份 Year (Y) 0.071 0.000 0.000 0.000 0.046
处理×年份 T×Y 0.991 0.429 0.801 0.585 0.670