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1 土壤基本营养情况

Table 1 Basic nutrition conditions of soil

年份 Year pH 水解性氮 Hydrolyzed nitrogen (mg/kg) 有效磷 Available P (mg/kg) 速效钾 Available K (mg/kg) 全氮 Total nitrogen (g/kg) 全磷 Total phosphorus (g/kg) 全钾 Total potassium (g/kg) 有机质 Organic matter (g/kg) 2021 4.98 239.50 0.38 161.50 2.04 0.49 13.30 29.33 2022 5.24 222.44 0.50 134.22 2.04 0.42 14.18 36.02 2023 5.34 235.67 0.24 205.22 2.29 0.47 14.37 38.50