氮肥减施对超级稻玮两优8612产量及品质的影响

何嘉辉, 李艳锋, 严天泽, 张选文, 秦鹏, 郭进有, 王凯, 刘雄伦, 杨远柱

The Effects of Reducing Nitrogen Fertilizer Application on the Yield and Quality of Super Rice Weiliangyou 8612

He Jiahui, Li Yanfeng, Yan Tianze, Zhang Xuanwen, Qin Peng, Guo Jinyou, Wang Kai, Liu Xionglun, Yang Yuanzhu

表2 Field growth period of Weiliangyou 8612 under different nitrogen application levels 月-日month-day

Table 2

年份 Year 处理 Treatment 播种期 Sowing 移栽期 Transplanting 抽穗期 Heading 齐穗期 Full heading 成熟期 Maturity 全生育期 Growth duration (d) 2021 N200 05-20 06-10 08-23 08-26 09-26 129 N150 05-20 06-10 08-22 08-25 09-25 128 N100 05-20 06-10 08-21 08-24 09-24 127 N50 05-20 06-10 08-20 08-23 09-23 126 N0 05-20 06-10 08-20 08-23 09-23 126 2022 N200 05-21 06-11 08-18 08-23 09-23 125 N150 05-21 06-11 08-17 08-22 09-22 124 N100 05-21 06-11 08-16 08-21 09-20 122 N50 05-21 06-11 08-15 08-20 09-21 123 N0 05-21 06-11 08-14 08-19 09-18 120 2023 N200 05-23 06-13 08-13 08-17 09-20 120 N150 05-23 06-13 08-13 08-18 09-20 120 N100 05-23 06-13 08-12 08-17 09-19 119 N50 05-23 06-13 08-12 08-16 09-17 117 N0 05-23 06-13 08-12 08-16 09-17 117