控水增密模式对杂交籼稻减氮后产量形成的调控效应

李敏, 罗德强, 江学海, 蒋明金, 姬广梅, 李立江, 周维佳

Regulations of controlled irrigations and increased densities on yield formation of hybrid indica rice under nitrogen-reduction conditions

Min LI, De-Qiang LUO, Xue-Hai JIANG, Ming-Jin JIANG, Guang-Mei JI, Li-Jiang LI, Wei-Jia ZHOU

表8 控水增密对水稻减氮后抽穗期叶面积指数的影响

Table 8 The effects of controlled water management and increased density on leaf area index under nitrogen reductions in rice

栽培模式Cultivation model 叶面积指数 Leaf area index 高效叶面积指数 Highly effective leaf area index 高效叶面积率 Percentage of highly effective leaf area index (%) 减氮 Nitrogen reduction 控水增密 Water-density treatment N0 W0D0 (CK) 7.82±0.10 5.05±0.07 64.58±0.57 N-10% W0D0 7.37±0.10 4.78±0.18 64.85±1.92 N-10% W0D1 7.85±0.14 5.01±0.24 63.82±2.77 N-10% W0D2 8.12±0.14 5.08±0.37 62.58±4.83 N-10% W0D3 8.29±0.34 4.89±0.11 59.02±1.41 N-10% W1D1 7.83±0.34 5.19±0.19 66.40±4.53 N-10% W1D2 8.08±0.21 5.12±0.20 63.36±1.41 N-10% W1D3 8.22±0.18 5.03±0.12 61.21±2.03 N-10% W2D1 7.71±0.18 5.08±0.07 65.92±2.19 N-10% W2D2 7.96±0.24 5.03±0.19 63.27±4.19 N-10% W2D3 8.11±0.11 4.97±0.28 61.27±3.11 N-10% W3D1 7.69±0.25 4.87±0.09 63.35±1.17 N-10% W3D2 7.82±0.28 4.78±0.23 61.11±0.94 N-10% W3D3 7.89±0.27 4.75±0.20 60.22±2.34 N-30% W0D0 6.72±0.13 4.43±0.28 65.89±3.05 N-30% W0D1 7.09±0.36 4.56±0.35 64.46±6.60 N-30% W0D2 7.46±0.31 4.77±0.44 63.85±3.38 N-30% W0D3 7.77±0.43 4.91±0.42 63.17±3.30 N-30% W1D1 7.12±0.21 4.71±0.08 66.19±2.17 N-30% W1D2 7.41±0.26 4.88±0.26 65.86±2.94 N-30% W1D3 7.68±0.11 4.86±0.07 63.29±1.12 N-30% W2D1 6.89±0.24 4.72±0.12 68.55±2.58 N-30% W2D2 7.13±0.19 4.65±0.14 65.23±1.84 N-30% W2D3 7.44±0.22 4.61±0.45 61.88±4.13 N-30% W3D1 6.33±0.18 4.39±0.20 69.39±3.54 N-30% W3D2 6.66±0.44 4.44±0.28 66.69±1.89 N-30% W3D3 7.14±0.15 4.57±0.12 64.02±2.05 LSD0.05 0.40 0.40 4.89