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10 2022年各磷肥处理双季稻氮、磷、钾素积累量与吸收效率

Table 10 Accumulation and absorption efficiency of nitrogen, phosphorus and potassium in double-cropping rice under different phosphorus fertilizer treatments in 2022

季别 Season 处理 Treatment 氮素吸收总量 Total nitrogen absorption (kg/hm2) 氮素吸收效率 Nitrogen absorption efficiency (kg/kg) 磷素吸收总量 Total phosphorus absorption (kg/hm2) 磷素吸收效率 Phosphorus absorption efficiency (kg/kg) 钾素吸收总量 Total potassium absorption (kg/hm2) 钾素吸收效率 Potassium absorption efficiency (kg/kg) 早稻 Early rice P45S1 77.90c 0.52c 21.39d 0.48a 75.01bc 0.50d P452 78.35c 0.52c 19.34e 0.43b 78.46b 0.52c P75S1 96.06a 0.64a 23.75c 0.32c 86.99a 0.58a P75S2 81.90b 0.55b 22.82c 0.30d 72.73c 0.48d P105S1 100.86a 0.67a 25.19a 0.24f 87.25a 0.58a P105S2 84.55b 0.56b 25.81a 0.26e 82.91a 0.55b P0 73.64d 0.49d 14.97d － 70.03c 0.47c $\bar{P45}$ 78.13c 0.52c 20.37c 0.45a 76.74b 0.51b $\bar{P75}$ 88.98b 0.59b 23.29b 0.31b 79.86b 0.53b $\bar{ P105}$ 92.71a 0.62a 25.50a 0.24c 85.08a 0.57a $\bar{S1}$ 91.61a 0.61a 23.44a 0.35a 83.08a 0.55a $\bar{S2}$ 81.60b 0.54b 22.66a 0.33b 78.03b 0.52b 晚稻 Late rice P45S1 119.64d 0.80c 30.08c 0.67a 101.20d 0.67c P45S2 123.11cd 0.82bc 29.36c 0.65a 103.75d 0.69c P75S1 127.91bc 0.85b 34.09b 0.45b 105.58d 0.70c P75S2 134.46ab 0.90a 33.87b 0.45b 111.14c 0.74b 晚稻 Late rice P105S1 135.25a 0.90a 34.88ab 0.33c 118.31b 0.79a P105S2 139.99a 0.93a 35.92a 0.34c 124.71a 0.83a P0 116.55c 0.78c 23.60c － 95.18d 0.63d $\bar{P45}$ 121.38b 0.81c 29.72b 0.66a 102.48c 0.68c $\bar{P75}$ 131.19a 0.87b 33.98a 0.45b 108.36b 0.72b $\bar{ P105}$ 137.62a 0.92a 34.90a 0.33c 121.51a 0.81a $\bar{S1}$ 127.60a 0.85a 33.02a 0.48a 108.36b 0.72a $\bar{S2}$ 132.52a 0.88a 33.05a 0.48a 113.20a 0.75a