多元化种植模式下秸秆还田配合水氮管理对水稻产量形成与氮素吸收利用的影响
胡明明, 丁峰, 彭志芸, 向开宏, 李郁, 张宇杰, 杨志远, 孙永健, 马均

Effects of straw returning to field combined with water and N management on rice yield formation and N uptake and utilization under diversified cropping patterns
HU Ming-Ming, DING Feng, PENG Zhi-Yun, XIANG Kai-Hong, LI Yu, ZHANG Yu-Jie, YANG Zhi-Yuan, SUN Yong-Jian, MA Jun
表5 多元化种植模式下秸秆还田配合水氮管理对水稻干物质转运的影响
Table 5 Effects of straw returning to field combined with water and N management on rice dry matter transport under diversified cropping patterns
处理
Treatment		 茎鞘干物质转运 Stem sheath dry matter transport 叶片干物质转运Leaf dry matter transport
转运量
Transfer amount
(kg hm-2)		 输出率
Output rate
(%)		 贡献率Contribution rate (%) 转运量
Transfer amount
(kg hm-2)		 输出率
Output rate
(%)		 贡献率Contribution rate (%)
Py W0
 N0 862.39 bc 29.05 b 14.16 b 176.37 b 19.21 b 2.85 c
N1 1659.60 ab 32.14 a 17.88 a 423.58 a 21.12 ab 4.53 a
N2 1755.93 a 32.63 a 19.44 a 435.93 a 22.05 ab 4.82 a
均值Average 1425.98 31.28 17.16 345.30 20.80 4.07
W1
 N0 694.55 c 23.32 b 11.25 b 183.81 b 19.56 ab 2.97 bc
N1 1890.49 a 33.39 a 19.29 a 439.40 a 21.05 ab 4.45 ab
N2 2116.62 a 35.98 a 21.76 a 494.38 a 22.75 a 5.09 a
均值Average 1567.22 30.89 17.44 372.53 21.12 4.17
Px W0
 N0 785.01 b 27.31 b 13.03 b 166.67 b 18.53 b 2.77 b
N1 1482.39 a 31.51 a 16.27 a 385.63 a 20.49 ab 4.24 a
N2 1582.08 a 31.91 a 17.77 a 397.96 a 20.85 ab 4.44 a
均值Average 1283.16 30.24 15.69 316.77 19.95 3.82
W1
 N0 731.23 b 24.52 b 12.15 b 179.12 b 19.46 ab 2.92 b
N1 1652.47 a 33.76 a 17.69 a 419.76 a 21.71 ab 4.51 a
N2 1820.38 a 33.82 a 19.81 a 450.76 a 22.03 a 4.91 a
均值Average 1401.36 30.70 16.55 349.88 21.07 4.12
Pq
 W0 N0 775.21 bc 28.61 a 13.03 b 114.91 b 14.50 b 1.87 c
N1 1286.83 ab 30.44 a 15.13 a 308.94 a 20.24 a 3.69 ab
N2 1349.91 ab 30.51 a 16.34 a 381.38 a 22.62 a 4.67 a
均值Average 1137.33 29.86 14.84 268.41 19.12 3.41
W1 N0 659.54 c 25.22 b 11.04 b 133.28 b 16.93 b 2.24 b
N1 1192.70 abc 26.99 b 14.13 a 333.79 a 20.30 a 3.89 a
N2 1417.98 a 31.22 a 16.64 a 397.72 a 23.15 a 4.69 a
均值Average 1090.07 27.81 13.94 288.27 20.13 3.60
F值
F-value		 P 6.33* 0.87 ns 1.92 ns 13.61** 1.79 ns 7.70*
W 0.26 ns 0.09 ns 0.01 ns 6.26* 1.12 ns 2.37 ns
N 33.77** 5.93** 8.81** 45.82** 4.94** 18.33**
P×W 0.18 ns 0.11 ns 0.14 ns 0.06 ns 0.10 ns 0.20 ns
P×N 3.89* 0.39 ns 0.28 ns 0.19 ns 0.37 ns 0.22 ns
W×N 0.99 ns 1.22 ns 0.71 ns 3.12* 0.03 ns 0.01 ns
P×W×N 0.13 ns 0.18 ns 0.06 ns 0.04 ns 0.03 ns 0.05 ns