磷肥运筹对机插双季稻产量构成与养分吸收利用的影响

肖敏, 郭浪, 崔璨, 程周琦, 刘玉午, 卓乐, 吴思, 易镇邪

Effects of Phosphate Fertilizer Management on Yield Components and Nutrient Uptake and Utilization in Mechanical Transplanting Double-Cropping Rice

Xiao Min, Guo Lang, Cui Can, Cheng Zhouqi, Liu Yuwu, Zhuo Le, Wu Si, Yi Zhenxie

表1 供试土壤基础肥力

Table 1 Basic fertility of soil tested

年份 Year 季别 Season 全氮 Total nitrogen (g/kg) 全磷 Total phosphorus (g/kg) 全钾 Total potassium (g/kg) 碱解氮 Alkali-hydrolyzed nitrogen (mg/kg) 有效磷 Available phosphorus (mg/kg) 速效钾 Available potassium (mg/kg) pH 2021 早稻 1.14 0.54 12.66 219.80 13.47 240.00 7.15 晚稻 1.28 0.60 12.34 189.00 18.91 260.00 7.17 2022 早稻 0.79 0.37 11.98 141.58 7.79 170.00 7.19 晚稻 0.81 0.39 12.01 161.00 8.02 180.00 7.21