施氮量和栽插密度对桂香99产量和稻米品质的影响

吴子帅, 黄秋要, 陈传华, 罗芳媚, 张世冠, 刘广林, 路一平, 罗群昌, 李虎

Effects of Nitrogen Fertilizer Application Rate and Planting Density on the Yield and Rice Quality of Guixiang 99

Wu Zishuai, Huang Qiuyao, Chen Chuanhua, Luo Fangmei, Zhang Shiguan, Liu Guanglin, Lu Yiping, Luo Qunchang, Li Hu

表1 施氮量和栽插密度对桂香99产量及其构成因素的影响

Table 1 Effects of nitrogen application rate and planting density on yield and its components of Guixiang 99

处理 Treatment 有效穗数 Effective panicle number (×104/hm2) 每穗粒数 Grains per panicle 结实率 Seed-setting rate (%) 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) N1 222.78±3.52b 175.31±2.26a 80.61±1.20a 22.24±0.15b 6245.14±76.69c N2 264.19±7.02a 176.00±2.55a 78.77±1.17a 22.69±0.13a 6863.01±16.81b N3 266.78±8.06a 178.70±2.47a 80.15±1.10a 22.83±0.11a 6979.72±54.77a N4 271.73±7.34a 178.41±3.30a 78.90±1.43a 22.87±0.09a 6994.80±48.93a D1 240.13±5.52b 178.70±9.71a 79.49±0.99a 22.74±0.09a 6546.95±83.30b D2 261.87±6.67a 176.35±10.47a 79.85±1.10a 22.68±0.12a 6874.26±70.30a D3 267.11±7.57a 176.26±13.41a 79.48±1.12a 22.55±0.13a 6890.79±60.03a N1D1 214.41±3.51f 178.27±1.96a 80.88±2.55a 22.50±0.23a 5883.69±43.00f N1D2 224.23±6.30ef 172.19±4.27a 80.87±1.44a 22.47±0.25a 6346.20±30.48e N1D3 229.71±7.12de 175.46±5.14a 80.08±2.45a 21.77±0.22b 6505.55±124.40e N2D1 250.48±12.24c 175.92±4.72a 77.89±1.87a 22.78±0.13a 6789.91±10.43cd N2D2 267.85±10.01b 175.35±3.54a 79.55±2.70a 22.53±0.26a 6888.68±29.31bc N2D3 274.25±13.84ab 176.73±5.60a 78.85±1.76a 22.75±0.27a 6910.43±16.21bc N3D1 242.69±10.28cd 181.24±2.71a 80.40±1.93a 22.75±0.23a 6714.53±66.54d N3D2 279.01±12.53ab 179.08±3.72a 79.54±1.99a 22.82±0.23a 7134.84±37.06a N3D3 278.63±15.04ab 175.77±6.18a 80.51±2.15a 22.92±0.16a 7089.79±59.14a N4D1 252.95±10.27c 179.36±5.99a 78.78±1.80a 22.92±0.16a 6799.67±55.66cd N4D2 276.40±11.43ab 178.77±5.75a 79.42±2.93a 22.92±0.17a 7127.34±74.64a N4D3 285.86±4.11a 177.09±6.44a 78.49±2.96a 22.77±0.13a 7057.39±61.98ab FN 69.99** 0.59 0.67 7.62** 105.61** FD 37.37** 0.51 0.05 1.16 41.95** FN×D 1.75 0.25 0.11 1.74 3.82**