种植密度和施氮量对优质常规稻桂育12产量和米质的影响

李虎, 黄秋要, 吴子帅, 刘广林, 陈传华, 罗群昌, 朱其南

Effects of Planting Density and Nitrogen Application Rate on Yield and Rice Quality of High-Quality Conventional Rice Guiyu 12

Li Hu, Huang Qiuyao, Wu Zishuai, Liu Guanglin, Chen Chuanhua, Luo Qunchang, Zhu Qinan

表3 种植密度和施氮量对桂育12早稻米质的影响

Table 3 Effects of planting density and nitrogen application rate on rice quality of early rice of Guiyu 12

处理 Treatment 糙米率 Brown rice rate (%) 精米率 Milled rice rate (%) 粒长 Grain length (mm) 粒宽 Grain width (mm) 长宽比 Length- width ratio 垩白度 Chalkiness degree (%) 垩白粒率 Chalkiness rate (%) 透明度 Transparency 蛋白质含量 Protein content (%) 直链淀粉含量 Amylose content (%) A1 78.90a 73.71aA 6.11b 1.79b 3.45a 1.44a 6.29a 1.00a 7.31bB 17.46a A2 78.86a 72.80bAB 6.09b 1.79ab 3.43a 1.37a 5.71a 1.11a 7.64abAB 17.00a A3 80.21a 72.60bB 6.19a 1.81a 3.47a 1.36a 5.50a 1.22a 8.08aA 16.50a B1 79.08a 73.22a 6.13a 1.79a 3.45a 1.41a 6.02a 1.11a 7.52b 17.56aA B2 78.76a 73.01a 6.13a 1.79a 3.45a 1.33a 5.52a 1.22a 7.74ab 16.93abAB B3 80.13a 72.89a 6.14a 1.80a 3.45a 1.43a 5.96a 1.00a 7.77a 16.47bB A1B1 79.06a 74.08a 6.07b 1.78a 3.45a 1.41a 5.80a 1.00a 7.13ac 17.97a A1B2 78.46a 73.54a 6.15a 1.79a 3.45a 1.47a 6.39a 1.00a 7.40a 17.13a A1B3 79.19a 73.51a 6.11ab 1.79a 3.45a 1.45a 6.69a 1.00a 7.40ab 17.27a A2B1 78.66a 73.20a 6.09ab 1.79a 3.43a 1.42a 6.30a 1.00a 7.57a 17.20aAB A2B2 78.93a 72.45a 6.04b 1.79a 3.43a 1.39a 5.56ab 1.33a 7.57a 17.60aA A2B3 78.98a 72.75a 6.13a 1.80a 3.44a 1.29a 5.27b 1.00a 7.80a 16.20bB A3B1 79.52ab 72.38a 6.22a 1.81a 3.48a 1.40ab 5.96a 1.33a 7.87b 17.50aA A3B2 78.89b 73.02a 6.19a 1.80a 3.47a 1.13b 4.63b 1.33a 8.27a 16.07bAB A3B3 82.22a 72.41a 6.16a 1.81a 3.46a 1.54a 5.92a 1.00a 8.10ab 15.93bB A 2.18 14.06* 8.45* 4.86 2.89 0.22 1.06 2.00 11.79* 2.32 B 1.47 0.61 0.11 0.22 0.04 1.06 1.56 0.86 3.15 7.15** A×B 0.84 1.02 2.69 0.23 0.19 2.60 3.00 0.43 0.79 2.31