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3 不同氮肥施用量下优质晚稻外观品质

Table 3 Appearance quality of high quality late rice under different nitrogen application rates

品种 Cultivar 处理 Treatment 2017 2018 粒长 KL (mm) 长宽比 L/W 垩白粒率 CR (%) 垩白度 CD (%) 粒长 KL (mm) 长宽比 L/W 垩白粒率 CR (%) 垩白度 CD (%) 美香新占 Meixiang xinzhan N0 6.07 Aa 3.12 Aa 13.90 Aa 2.95 Aa 6.05 Aa 3.18 Aa 18.00 Aa 5.17 Aa N1 6.12 Aa 3.16 Aa 12.94 ABa 2.63 Aa 6.30 Aa 3.33 Aa 15.04 Bb 3.64 Bb N2 6.15 Aa 3.17 Aa 10.98 BCb 2.45 ABb 6.35 Aa 3.35 Aa 13.12 Cc 3.17 Bc N3 6.28 Aa 3.23 Aa 9.90 Cb 2.30 Bb 6.42 Aa 3.36 Aa 11.89 Cd 2.59 Cd 泰优398 Taiyou 398 N0 5.91 Aa 3.00 Aa 18.94 Aa 3.91 Aa 6.23 Aa 3.33 Ab 18.62 Aa 5.59 Aa N1 5.99 Aa 3.02 Aa 17.18 Aab 2.91 Bb 6.59 Aa 3.57 Aab 17.41 Aa 4.70 Bb N2 6.06 Aa 3.05 Aa 13.90 Bc 2.65 Bb 6.62 Aa 3.59 Aab 15.68 Ab 3.76 Cc N3 6.13 Aa 3.09 Aa 10.29 Cd 2.15 Bb 6.69 Aa 3.65 Aa 11.57 Ac 2.55 Dd 天优华占 Tianyouhuazhan N0 6.15 Aa 3.27 Ab 21.05 Aa 6.14 Aa 5.73 Bb 3.02 Aa 23.76 Aa 11.58 Aa N1 6.19 Aa 3.31 Aab 18.73 ABb 5.41 ABab 5.93 Bb 3.16 Aa 19.77 Bb 9.21 Bb N2 6.23 Aa 3.38 Aab 17.25 ABbc 4.95 Bb 6.56 Aa 3.19 Aa 15.75 Cc 6.56 Cc N3 6.33 Aa 3.45 Aa 16.21 Bc 4.20 Bb 6.75 Aa 3.24 Aa 15.23 Cc 6.54 Cc 黄华占 Huanghuazhan N0 6.17 Aa 3.02 Ab 18.35 Aa 7.47 Aa 6.04 Aa 3.04 Aa 18.06 Aa 5.88 Aa N1 6.22 Aa 3.06 Aab 17.71 Aa 6.70 ABa 6.05 Aa 3.11 Aa 14.61 Bb 4.43 Bb N2 6.29 Aa 3.18 Aab 14.24 Ab 5.41 Bb 6.20 Aa 3.20 Aa 10.36 Cc 2.85 Cc N3 6.37 Aa 3.28 Aa 7.43 Bc 4.97 Bb 6.21 Aa 3.21 Aa 9.96 Cc 2.72 Cc