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2 不同氮肥施用量下优质晚稻加工品质

Table 2 Processing quality of high quality late rice under different nitrogen application rates (%)

品种 Cultivar 处理 Treatment 2017 2018 糙米率 BR 精米率 MR 整精米率 HMR 糙米率 BR 精米率 MR 整精米率 HMR 美香新占 Meixiangxinzhan N0 78.41 Aa 68.67 Ab 58.94 Ab 77.01 Ab 70.71 Ab 53.58 Bb N1 78.67 Aa 69.48 Ab 59.72 Aab 80.98 Aa 73.60 Aa 55.28 ABb N2 79.30 Aa 70.74 Aa 62.25 Aa 81.20 Aa 73.88 Aa 58.02 Aa N3 78.82 Aa 70.21 Aab 59.51 Aab 81.10 Aa 69.96 Ab 54.87 ABb 泰优398 Taiyou 398 N0 79.70 Ab 66.56 Ab 53.58 Abc 78.29 Ab 63.58 Ab 50.99 Ab N1 80.63 Aab 69.17 Aab 55.16 Aab 79.68 Aab 67.91 Aab 53.97 Aab N2 81.98 Aa 70.12 Aa 57.07 Aa 81.74 Aa 70.23 Aa 57.75 Aa N3 81.00 Aab 69.90 Aab 52.33 Ac 81.81 Aa 69.68 Aa 52.19 Aab 天优华占 Tianyouhuazhan N0 80.10 Ab 70.70 Aa 63.10 Bc 77.93 Ac 68.99 Ab 60.85 Bc N1 80.14 Ab 71.22 Aa 65.89 ABb 81.08 Aab 70.25 Aab 64.05 ABb N2 82.71 Aa 71.61 Aa 68.72 Aa 82.31 Aa 72.98 Aa 67.78 Aa N3 81.51 Aab 71.29 Aa 61.67 Bc 79.72 Abc 71.89 Aa 59.54 Bc 黄华占 Huanghuazhan N0 81.12 Aa 69.46 Ab 45.15 Bc 79.77 Aa 68.36 Ab 45.56 Cc N1 81.24 Aa 70.00 Aab 48.99 ABbc 80.56 Aa 68.97 Ab 48.14 BCb N2 82.51 Aa 70.63 Aa 53.11 Aab 80.68 Aa 70.13 Aa 52.32 ABa N3 82.01 Aa 69.21 Ab 54.13 Aa 79.44 Aa 68.87 Ab 54.67 Aa