氮肥施用量对机插优质晚稻产量和稻米品质的影响

唐健,唐闯,郭保卫,张诚信,张振振,王科,张洪程,陈恒,孙明珠

Effect of nitrogen application on yield and rice quality of mechanical transplanting high quality late rice

Jian TANG,Chuang TANG,Bao-Wei GUO,Cheng-Xin ZHANG,Zhen-Zhen ZHANG,Ke WANG,Hong-Cheng ZHANG,Heng CHEN,Ming-Zhu SUN

表4 不同氮肥施用量下优质晚稻蒸煮和营养品质

Table 4 Cooking and nutritional quality of high quality late rice under different nitrogen application rates

品种 Cultivar 处理 Treatment 2017 2018 直链淀粉含量 AC (%) 胶稠度 GC (mm) 蛋白质含量 PC (%) 直链淀粉含量 AC (%) 胶稠度 GC (mm) 蛋白质含量 PC (%) 美香新占 N0 19.34 Aa 62.0 Bc 6.10 Bc 17.95 Aa 63.2 Cc 6.5 Bc Meixiang xinzhan N1 18.05 ABb 68.5 ABb 7.90 Ab 17.32 Aab 69.5 Bb 7.8 Ab N2 17.52 Bbc 76.5 Aa 7.95 Ab 16.19 ABbc 75.9 Aa 8.5 Aa N3 16.90 Bc 77.5 Aa 8.80 Aa 15.94 Bc 78.3 Aa 8.9 Aa 泰优398 N0 16.46 Aa 64.5 Bc 6.35 Dd 15.53 Aa 65.9 Ac 6.6 Cd Taiyou 398 N1 15.74 Aab 68.0 ABbc 8.05 Cc 13.88 Bb 68.6 Abc 8.2 Bc N2 15.26 Ab 69.5 ABab 8.70 Bb 13.57 Bbc 70.9 Aab 9.3 ABb N3 15.23 Ab 73.0 Aa 9.70 Aa 12.85 Bc 73.5 Aa 10.1 Aa 天优华占 N0 23.78 Aa 65.8 Ab 7.10 Ab 22.51 Aa 68.8 Ab 6.7 Bc Tianyouhuazhan N1 22.51 ABa 66.5 Ab 7.25 Aab 18.93 Bb 71.5 Ab 7.5 ABb N2 19.53 BCb 75.8 Aa 7.35 Aab 18.26 Bbc 78.3 Aa 8.3 Aa N3 19.01 Cb 76.0 Aa 7.70 Aa 17.68 Bc 79.2 Aa 8.8 Aa 黄华占 N0 17.92 Aa 49.5 Bc 6.35 Cc 16.11 Aa 53.6 Cc 7.4 Cc Huanghuazhan N1 15.26 Bb 56.0 ABb 8.00 Bb 14.02 Bb 60.5 Bb 8.1 BCb N2 13.71 Bc 58.0 Ab 8.40 ABb 12.36 Bbc 62.6 ABb 8.7 ABb N3 13.41 Bbc 62.0 Aa 9.20 Aa 11.47 Bc 66.1 Aa 9.6 Aa