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2 施氮量和栽插密度对桂香99稻米品质的影响

Table 2 Effects of nitrogen application rate and transplanting density on rice quality of Guixiang 99

处理 Treatment 糙米率 Brown rice rate (%) 整精米率 Head rice rate (%) 粒长 Rice length (mm) 长宽比 Length-width ratio 垩白粒率 Chalkiness rate (%) N1 75.35±0.32c 54.24±1.26b 6.363±0.036a 3.289±0.071a 11.67±0.29a N2 77.54±0.38a 56.16±0.88a 6.412±0.042a 3.317±0.090a 10.01±0.14b N3 77.90±0.37a 56.95±0.97a 6.418±0.042a 3.330±0.113a 8.16±0.23c N4 76.41±0.32b 56.88±1.02a 6.419±0.047a 3.326±0.075a 8.55±0.51c D1 76.11±0.30b 54.81±1.03b 6.375±0.037a 3.295±0.017a 9.40±0.43b D2 76.86±0.43ab 56.47±0.86a 6.420±0.036a 3.327±0.018a 9.14±0.38b D3 77.44±0.30a 56.89±0.82a 6.414±0.036a 3.324±0.019a 10.26±0.34a N1D1 75.19±0.41de 51.66±3.02d 6.305±0.061b 3.278±0.029b 11.51±0.73ab N1D2 74.80±0.82e 54.86±1.83c 6.398±0.044ab 3.322±0.026ab 11.53±0.29ab N1D3 76.07±0.24cde 56.18±1.28abc 6.387±0.082ab 3.266±0.032b 11.98±0.48a N2D1 76.95±0.62abc 55.25±1.48bc 6.379±0.071ab 3.274±0.023b 9.86±0.23cd N2D2 77.94±0.69ab 56.48±1.34abc 6.474±0.086a 3.339±0.043ab 9.74±0.24cd N2D3 77.72±0.70ab 56.75±1.90ab 6.382±0.067ab 3.337±0.040ab 10.45±0.19bc N3D1 77.00±0.57abc 56.13±1.54abc 6.411±0.086ab 3.325±0.051ab 8.20±0.31e N3D2 78.27±0.76a 57.38±1.95a 6.432±0.074ab 3.345±0.046ab 7.65±0.48e N3D3 78.43±0.50a 57.33±1.80a 6.411±0.072ab 3.321±0.050ab 8.65±0.35de N4D1 75.29±0.36de 56.20±1.70abc 6.404±0.089ab 3.304±0.031ab 8.03±1.09e N4D2 76.41±0.34bcd 57.16±1.95a 6.376±0.085ab 3.303±0.030ab 7.65±0.48e N4D3 77.53±0.54abc 57.28±1.92a 6.477±0.077a 3.372±0.026a 9.98±0.76cd FN 12.63** 11.01** 0.62 1.05 27.29** FD 5.66** 11.08** 0.71 1.26 4.95* FN×D 0.83 1.58 0.57 0.91 0.77 处理Treatment 垩白度Chalkiness degree (%) 透明度Transparency 直链淀粉含量Amylose content (%) 蛋白质含量Protein content (%) N1 3.31±0.06a 1.83±0.15a 18.94±0.15a 6.07±0.14c N2 2.82±0.04b 1.78±0.10a 18.21±0.18b 7.21±0.08b N3 2.29±0.06c 1.89±0.08a 18.40±0.15b 7.26±0.09b N4 2.40±0.14c 1.83±0.09a 18.14±0.19b 7.84±0.11a D1 2.66±0.12b 1.75±0.11a 18.46±0.16a 7.05±0.15a D2 2.59±0.10b 1.88±0.07a 18.30±0.18a 7.09±0.17a D3 2.86±0.09a 1.88±0.09a 18.51±0.13a 7.14±0.16a N1D1 3.38±0.12a 1.67±0.33a 18.87±0.20ab 5.98±0.13d N1D2 3.22±0.08ab 1.83±0.17a 19.20±0.23a 5.98±0.25d N1D3 3.35±0.13a 2.00±0.26a 18.77±0.32abc 6.25±0.33d N2D1 2.75±0.06cd 1.67±0.21a 17.92±0.40de 7.27±0.21bc N2D2 2.78±0.06cd 1.83±0.17a 18.15±0.30bcde 7.28±0.13bc N2D3 2.92±0.05bc 1.83±0.17a 18.55±0.22abcd 7.08±0.09c N3D1 2.29±0.09e 1.83±0.17a 18.85±0.17abc 7.23±0.14bc N3D2 2.17±0.13e 1.83±0.17a 18.08±0.31cde 7.25±0.14bc N3D3 2.41±0.10de 2.00±0.00a 18.27±0.20bcde 7.28±0.15bc N4D1 2.23±0.30e 1.83±0.17a 18.20±0.33bcde 7.72±0.15ab N4D2 2.18±0.11e 2.00±0.00a 17.75±0.38e 7.85±0.24a N4D3 2.79±0.21cd 1.67±0.21a 18.47±0.28abcde 7.95±0.17a FN 34.54** 0.17 5.40** 46.21** FD 4.38* 0.58 0.69 0.24 FN×D 1.07 0.49 1.78 0.39