玉米大豆间作模式下干物质积累和产量的边际效应及其系统效益

赵德强,李彤,侯玉婷,元晋川,廖允成

Benefits and Marginal Effect of Dry Matter Accumulation and Yield in Maize and Soybean Intercropping Patterns

ZHAO DeQiang,LI Tong,HOU YuTing,YUAN JinChuan,LIAO YunCheng

表4 不同种植模式下大豆茎叶干物质积累及输出规律

Table 4 The dynamic in dry matter accumulation and remobilization of soybean stems and leaves between different planting pattern

行号 Number 处理 Treatment 2017 2018 V4 R2 R7 输出量Remobilization amount (g/plant) 输出率Remobilization efficiency (%) 贡献率Conversion rate (%) V3 V4 V5 R2 R5 R7 输出量 Remobilization amount (g/plant) 输出率 Remobilization efficiency (%) 贡献率 Conversion rate (%) I 6M6S 9.18 29.23 22.95 6.28 21.5 28.1 1.02 9.11 17.46 28.42 32.92 25.80 7.12 21.6 29.2 6M3S 8.43 26.23 21.78 4.45 17.0 22.8 1.11 9.47 20.78 23.33 33.59 26.58 7.01 20.9 24.3 3M6S 8.17 40.39 31.19 9.20 22.8 32.9 0.99 8.57 27.98 37.23 41.81 35.89 5.92 14.2 16.3 3M3S 7.07 23.35 20.07 3.28 14.1 18.2 0.97 8.82 19.52 25.07 30.88 26.03 4.85 15.7 16.9 均值Mean 8.21 29.80 24.00 5.80 19.5 26.4 1.02 8.99 21.44 28.51 34.80 28.58 6.22 17.9 21.1 II 6M6S 9.63 48.38 38.66 9.72 20.1 35.4 0.88 8.34 21.28 32.33 47.83 37.59 10.24 21.4 29.1 6M3S 10.07 51.25 38.16 13.10 25.6 66.6 1.14 9.28 21.80 27.21 46.23 33.78 12.45 26.9 34.2 3M6S 11.07 45.35 36.90 8.45 18.6 31.1 1.10 8.02 24.73 32.39 42.25 37.32 4.93 11.7 13.1 3M3S 7.92 30.00 25.18 4.82 16.1 21.3 1.09 9.95 21.47 24.23 32.38 24.58 7.80 24.1 29.5 均值Mean 9.67 43.75 34.72 9.02 20.6 37.3 1.05 8.90 22.32 29.04 42.17 33.32 8.85 21.0 26.1 III 6M6S 10.40 44.20 35.89 8.30 18.8 34.1 1.07 9.21 20.94 31.71 42.71 33.09 9.62 22.5 29.5 3M6S 8.96 31.14 24.08 7.07 22.7 27.4 1.26 9.33 19.28 21.56 33.05 27.47 5.58 16.9 22.5 均值Mean 9.24 37.27 29.97 7.30 19.6 29.1 1.12 9.35 21.00 26.64 37.58 29.61 7.96 21.2 27.7 CKS CKS 8.37 35.02 27.94 7.08 20.2 29.8 1.01 8.95 20.38 28.62 34.41 28.87 5.54 16.1 18.3