关键词:轮耕; 小麦-玉米两熟制; 耕层构造; 产量; 品质 Effects of Rotational Tillage on Tilth Soil Structure and Crop Yield and Quality in Maize-Wheat Cropping System NIE Liang-Peng1,3, GUO Li-Wei1, NIU Hai-Yan2, WEI Jie2, LI Zeng-Jia1, NING Tang-Yuan1,* 1State Key Laboratory of Crop Biology / National Engineering Laboratory for Efficient Utilization of Soil and Fertilizer Resources / Key Laboratory of Crop Physiology and Ecology in Universities of Shandong Province, Shandong Agricultural University, Tai’an 271018, China
2 Tengzhou Agricultural Bureau, Tengzhou 277519, China
3Minquan Agricultural Bureau, Minquan 476800, China
AbstractIn a three-year field experiment from the wheat season of 2009 to the maize season of 2012 in North China., we compared the effects of six tillage systems (zero-tillage, subsoiling, and conventional tillage before wheat sowing; zero-tillage and subsoiling before maize sowing) on soil porosity, moisture content, and crop yield and quality. Compared with zero-tillage, subsoiling before maize sowing greatly increased the annual mean soil total porosity in 0-40 cm soil layer, and subsoiling or conventional tillage before wheat sowing was also in favor of improving soil total porosity in 0-40 cm layer. The interaction between tillage practices in wheat and maize seasons had the largest influence on soil porosity, and the tillage in maize season determined the soil non-capillary porosity. Subsoiling and conventional tillages in wheat season resulted in more water absorption at late wheat growth stage than zero-tillage; particularly, wheat yield in subsoiling was the highest with significant differences from those of zero-tillage and conventional tillage. Subsoiling in maize season had more water absorption at filling stage and yield promotion than zero-tillage. Meanwhile, subsoiling in maize season had a successive effect in the following wheat season. In an overview of yield and grain quality, subsoiling in both maize and wheat seasons was the most optimal tillage mode for wheat-maize cropping system in North China, followed by subsoiling in wheat season plus zero-tillage in maize season.
Keyword:Rotational tillage; Maize-wheat cropping system; Tilth soil structure; Yield; Grain quality Show Figures Show Figures
图1 不同处理表层土壤0~10 cm (A, B)、10~20 cm (C, D)、20~40 cm (E, F)土壤总孔隙度的周年变化 处理为全年小麦-玉米两季轮耕模式, 其中ZT为免耕, SS为深松, CT为传统翻耕。Fig. 1 Annual changes of soil porosity in 0-10 cm (A, B), 10-20 cm (C, D), and 20-40 cm (E, F) layer under different treatments Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT).
表1 小麦-玉米种植制度中轮耕措施对土壤毛管孔隙度(CP)和非毛管孔隙度(NCP)的影响 Table 1 Effects of rotational tillage on soil capillary porosity (CP) and non-capillary porosity (NCP) in wheat-maize cropping system (%)
处理/变异来源 Treatment/variance source
0-10 cm
10-20 cm
20-40 cm
毛管孔隙度 CP
非毛管孔隙度 NCP
毛管孔隙度 CP
非毛管孔隙度 NCP
毛管孔隙度 CP
非毛管孔隙度 NCP
2010-2011
免耕-免耕 ZT-ZT
38.56 a
6.72 d
37.50 a
6.04 d
34.14 a
4.50 d
免耕-深松 ZT-SS
36.12 b
12.72 c
29.65 b
15.63 c
21.99 b
19.97 c
深松-免耕 SS-ZT
35.64 b
11.02 c
30.15 b
16.09 c
22.34 b
17.21 c
深松-深松 SS-SS
29.69 d
20.42 a
24.36 d
22.74 a
15.35 d
27.55 a
翻耕-免耕 CT-ZT
36.25 b
10.29 c
30.21 b
15.02 c
23.34 b
15.42 c
翻耕-深松 CT-SS
33.28 c
17.79 b
27.46 c
18.57 b
18.96 c
23.19 b
区组 Block
3.26
2.34
2.87
1.37
2.67
3.26
主区 Main plot
17.44*
16.38*
11.34
9.36
13.48
12.33
副区 Sub-plot
33.26*
39.67*
32.41*
38.26*
34.84*
33.17*
互作 Interaction
20.37*
22.14*
40.37*
27.68*
46.18*
35.88
误差 Error
3.21
2.24
3.54
3.36
3.37
3.49
2011-2012
免耕-免耕 ZT-ZT
37.88 a
7.01 d
35.98 a
7.55 d
33.75 a
4.76 d
免耕-深松 ZT-SS
36.24 b
10.47 c
28.54 b
17.68 c
22.04 b
17.54 c
深松-免耕 SS-ZT
35.21 b
11.34 c
29.13 b
16.05 c
22.41 b
16.28 c
深松-深松 SS-SS
28.34 d
20.49 a
24.45 d
20.81 a
15.44 d
26.48 a
翻耕-免耕 CT-ZT
36.57 b
13.95 c
31.86 b
16.05 c
27.43 b
16.10 c
翻耕-深松 CT-SS
32.49 c
18.87 b
27.67 c
18.66 b
19.15 c
23.00 b
区组 Block
3.42
2.48
2.96
1.43
2.51
3.41
主区 Main plot
16.38*
17.64*
12.29
10.24
12.77
13.42
副区 Sub-plot
32.17*
40.13*
33.68*
37.47*
33.76*
33.28*
互作 Interaction
21.65*
23.07*
39.28*
27.93*
47.37*
36.74
误差 Error
4.32
2.38
3.67
3.32
3.25
3.53
Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT), and the data are measured values of soil capillary porosity and non-capillary porosity. Different letters after measured data indicate significant difference among treatments. The main plot and sub-plot in variance source indicate tillage in wheat and maize seasons, respectively. Data are the percentages over the total variance (effect). The asterisk (* ) indicates that the effect is significant at P< 0.05. 处理为全年小麦-玉米两季轮耕模式, 数据为土壤毛管或非毛管孔隙度, 数据后不同字母表示处理间达差异显著(P< 0.05)。变异来源, 主区为小麦季耕作, 副区为玉米季耕作, 互作为两季耕作交互效应; 数据为作用力(占总方差百分比), * 表示作用力(P< 0.05)在0.05水平上差异显著。
表1 小麦-玉米种植制度中轮耕措施对土壤毛管孔隙度(CP)和非毛管孔隙度(NCP)的影响 Table 1 Effects of rotational tillage on soil capillary porosity (CP) and non-capillary porosity (NCP) in wheat-maize cropping system (%)
表2 小麦-玉米种植制度中轮耕措施对收获期0~100 cm土层土壤含水量的影响 Table 2 Effects of rotational tillage on soil moisture content in 0-100 cm soil layers at harvest stage in wheat-maize cropping system (%)
生长季 Cropping season
处理 Treatment
土层 Soil layer
0-10 cm
10-20 cm
20-40 cm
40-60 cm
60-100 cm
2010-2011
小麦季 Wheat season
免耕-免耕 ZT-ZT
12.71± 0.26 a
15.34± 0.33 a
16.82± 0.26 a
17.66± 0.21 a
18.74± 0.18 a
免耕-深松 ZT-SS
12.84± 0.24 a
15.31± 0.31 a
16.71± 0.24 a
17.54± 0.26 a
18.66± 0.19 a
深松-免耕 SS-ZT
12.26± 0.31 a
13.47± 0.24 c
14.53± 0.19 c
15.21± 0.29 c
15.96± 0.14 c
深松-深松 SS-SS
12.12± 0.26 a
13.23± 0.22 c
14.46± 0.21 c
15.13± 0.20 c
15.78± 0.16 c
翻耕-免耕 CT-ZT
12.63± 0.22 a
14.60± 0.28 b
15.69± 0.27 b
16.43± 0.27 b
17.45± 0.21 b
翻耕-深松 CT-SS
12.54± 0.29 a
14.51± 0.26 b
15.45± 0.28 b
16.24± 0.27 b
17.26± 0.17 b
玉米季 Maize season
免耕-免耕 ZT-ZT
20.88± 0.35 a
20.79± 0. 39 a
19.70± 0.31 a
19.83± 0.27 a
20.54± 0.16 a
免耕-深松 ZT-SS
19.30± 0.33 b
17.88± 0.35 b
18.09± 0.33 b
18.16± 0.26 b
18.43± 0.18 b
深松-免耕 SS-ZT
20.26± 0.39 a
20.15± 0.37 a
19.02± 0.35 a
19.09± 0.21 a
19.67± 0.21 a
深松-深松 SS-SS
18.56± 0.32 b
17.13± 0.36 b
17.34± 0.31 b
17.36± 0.23 b
17.49± 0.17 b
翻耕-免耕 CT-ZT
20.48± 0.31 a
20.41± 0.32 a
19.29± 0.34 a
19.39± 0.26 a
20.01± 0.19 a
翻耕-深松 CT-SS
18.74± 0.34 b
17.76± 0.34 b
17.92± 0.36 b
17.95± 0.28 b
18.19± 0.16 b
2011-2012
小麦季 Wheat season
免耕-免耕 ZT-ZT
10.65± 0.37 a
13.76± 0.29 a
14.95± 0.24 a
15.78± 0.35 a
16.85± 0.24 a
免耕-深松 ZT-SS
10.77± 0.32 a
13.69± 0.26 a
14.81± 0.27 a
15.63± 0.33 a
16.68± 0.26 a
深松-免耕 SS-ZT
10.29± 0.29 a
11.83± 0.36 c
12.85± 0.26 c
13.82± 0.27 c
14.65± 0.28 c
深松-深松 SS-SS
10.17± 0.29 a
11.67± 0.31 c
12.67± 0.22 c
13.76± 0.26 c
14.54± 0.22 c
翻耕-免耕 CT-ZT
10.48± 0.33 a
12.93± 0.29 b
13.91± 0.29 b
14.74± 0.29 b
15.74± 0.19 b
翻耕-深松 CT-SS
10.41± 0.35 a
12.74± 0.28 b
13.68± 0.27 b
14.50± 0.51 b
15.56± 0.21 b
玉米季 Maize season
免耕-免耕 ZT-ZT
17.67± 0.34 a
18.57± 0.29 a
18.21± 0.23 a
18.34± 0.32 a
19.07± 0.24 a
免耕-深松 ZT-SS
16.24± 0.33 b
16.84± 0.34 b
16.56± 0.27 b
16.62± 0.26 b
16.92± 0.21 b
深松-免耕 SS-ZT
17.02± 0.38 a
17.89± 0.32 a
17.58± 0.24 a
17.67± 0.28 a
18.28± 0.18 a
深松-深松 SS-SS
15.52± 0.31 b
16.09± 0.31 b
15.82± 0.21 b
15.85± 0.24 b
16.01± 0.23 b
翻耕-免耕 CT-ZT
17.25± 0.32 a
18.18± 0.36 a
17.79± 0.28 a
17.92± 0.21 a
18.56± 0.21 a
翻耕-深松 CT-SS
15.69± 0.36 b
16.71± 0.33 b
15.46± 0.31 b
15.53± 0.26 b
15.77± 0.24 b
Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT). Data are means ± SD over three replicates and different letters afterwards indicate significant difference among treatments in the same cropping season (P< 0.05). 处理为全年小麦-玉米两季轮耕模式, 其中ZT为免耕, SS为深松, CT为传统翻耕。数据为3次重复的平均值± 标准差, 数据后不同字母表示同一作物季中处理间达显著差异(P< 0.05)。
表2 小麦-玉米种植制度中轮耕措施对收获期0~100 cm土层土壤含水量的影响 Table 2 Effects of rotational tillage on soil moisture content in 0-100 cm soil layers at harvest stage in wheat-maize cropping system (%)
表3 小麦-玉米种植制度中轮耕措施对作物产量的影响 Table 3 Effects of rotational tillage on crop yield in wheat-maize cropping (kg hm-2)
处理/变异来源 Treatment/variance source
小麦产量 Wheat yield
玉米产量 Maize yield
周年产量 Total yield
2010-2011
免耕-免耕 ZT-ZT
6560.1 d
7245.9 d
13806.0 d
免耕-深松 ZT-SS
7425.9 c
8211.2 c
15637.1 c
深松-免耕 SS-ZT
8175.2 b
9452.8 b
17628.0 b
深松-深松 SS-SS
9457.2 a
10179.7 a
19636.9 a
翻耕-免耕 CT-ZT
7709.0 bc
7966.3 cd
15675.3 c
翻耕-深松 CT-SS
8141.8 bc
8646.4 bc
16788.2 bc
区组 Block
7.98
7.80
8.08
主区 Main plot
66.22* *
15.40*
71.89*
副区 Sub-plot
22.11*
76.32* *
18.89*
互作 Interaction
3.59*
0.38*
1.04* *
误差 Error
0.03
0.08
0.02
2011-2012
免耕-免耕 ZT-ZT
6609.7 d
7225.2 d
13834.9 d
免耕-深松 ZT-SS
7877.3 bc
8634.7 c
16512.0 c
深松-免耕 SS-ZT
8343.0 b
9687.4 b
18030.4 b
深松-深松 SS-SS
9743.2 a
10347.6 a
20090.8 a
翻耕-免耕 CT-ZT
7886.6 bc
7879.6 cd
15766.2 c
翻耕-深松 CT-SS
8165.1 b
8852.5 bc
17017.6 bc
区组 Block
7.63
7.00
7.55
主区 Main plot
59.16* *
21.94*
65.48*
副区 Sub-plot
26.28*
68.95* *
24.76*
互作 Interaction
6.82*
2.01*
2.12* *
误差 Error
0.04
0.07
0.03
Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT). Different letters after measured data indicate significant difference among treatments. The main plot and sub-plot in variance source indicate tillage in wheat and maize seasons, respectively. Data are the percentages over the total variance (effect). The asterisk (* ) indicates that the effect is significant at P< 0.05. 处理为全年小麦-玉米两季轮耕模式, 数据后不同字母表示处理间达显著差异(P< 0.05)。变异来源, 主区为小麦季耕作, 副区为玉米季耕作, 互作为两季耕作交互效应; 数据为作用力(占总方差百分比), * 表示作用力在0.05水平上差异显著。
表3 小麦-玉米种植制度中轮耕措施对作物产量的影响 Table 3 Effects of rotational tillage on crop yield in wheat-maize cropping (kg hm-2)
表4 小麦-玉米种植制度中轮耕措施对小麦品质的影响 Table 4 Effects of rotational tillage on wheat grain quality in wheat-maize cropping system
处理 Treatment
2010-2011
2011-2012
蛋白质 Protein (%)
油分 Oil (%)
淀粉 Starch (%)
容重 Test weight (g L-1)
蛋白质 Protein (%)
油分 Oil (%)
淀粉 Starch (%)
容重 Test weight (g L-1)
免耕-免耕 ZT-ZT
13.18 c
1.82 b
64.8 c
762 c
13.12 c
1.81 b
64.7 c
754 c
免耕-深松 ZT-SS
13.46 b
1.87 b
65.4 bc
769 bc
13.46 b
1.85 b
65.1 bc
766 bc
深松-免耕 SS-ZT
13.70 a
2.21 a
66.7 a
783 a
13.69 a
2.20 a
66.7 a
779 a
深松-深松 SS-SS
13.78 a
2.34 a
67.3 a
786 a
13.79 a
2.34 a
67.4 a
782 a
翻耕-免耕 CT-ZT
13.56 b
1.89 b
65.4 bc
770 b
13.55 b
1.88 b
65.2 bc
767 b
翻耕-深松 CT-SS
13.65 ab
1.91 b
65.8 b
776 ab
13.62 ab
1.92 b
65.9 b
769 ab
Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT). Different letters after values indicate significant difference among treatments in the same cropping season (P< 0.05). 处理为全年小麦-玉米两季轮耕模式, 其中ZT为免耕, SS为深松, CT为传统翻耕, 数据后不同字母表示同一作物季中处理间达显著差异(P< 0.05)。
表4 小麦-玉米种植制度中轮耕措施对小麦品质的影响 Table 4 Effects of rotational tillage on wheat grain quality in wheat-maize cropping system
表5 小麦-玉米种植制度中轮耕措施对玉米品质的影响 Table 5 Effects of rotational tillage on maize grain quality in wheat-maize cropping system (%)
处理 Treatment
2010-2011
2011-2012
蛋白质 Protein
油分 Oil
淀粉 Starch
直链淀粉 Amylose
支链淀粉 Amylopectin
蛋白质 Protein
油分 Oil
淀粉 Starch
直链淀粉 Amylose
支链淀粉 Amylopectin
免耕-免耕 ZT-ZT
6.83 c
3.73 b
52.12 c
16.52 b
35.60 c
6.79 c
3.66 b
52.07 c
16.50 b
35.57 c
免耕-深松 ZT-SS
7.51 b
4.44 a
60.23 a
18.95 a
41.28 ab
7.54 b
4.45 a
60.34 a
19.02 a
41.32 a
深松-免耕 SS-ZT
7.49 b
4.27 a
60.34 a
18.99 a
41.35 ab
7.51 b
4.31 a
60.50 a
19.03 a
41.47 a
深松-深松 SS-SS
8.09 a
4.87 a
62.78 a
19.11 a
43.67 a
8.11 a
4.92 a
62.87 a
19.15 a
43.72 a
翻耕-免耕 CT-ZT
7.23 bc
3.98 ab
56.86 b
17.75 ab
39.11 b
7.22 bc
3.96 ab
56.83 b
17.76 ab
39.07 b
翻耕-深松 CT-SS
7.67 ab
4.75 a
61.49 a
19.03 a
42.46 a
7.69 ab
4.77 a
61.55 a
19.06 a
42.49 a
Treatments are the whole year tillage patterns (wheat-maize) including zero-tillage (ZT), subsoiling (SS), and conventional tillage (CT). Different letters after values indicate significant difference among treatments in the same cropping season (P< 0.05). 处理为全年小麦-玉米两季轮耕模式, 其中ZT为免耕, SS为深松, CT为传统翻耕, 数据后不同字母表示同一作物季中处理间达显著差异(P< 0.05)。
表5 小麦-玉米种植制度中轮耕措施对玉米品质的影响 Table 5 Effects of rotational tillage on maize grain quality in wheat-maize cropping system (%)
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