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12 2022年各磷肥处理双季稻氮、磷、钾素利用效率

Table 12 Utilization efficiency of nitrogen, phosphorus and potassium of double cropping rice under different phosphorus fertilizer treatments in 2022

季别 Season 处理 Treatment 氮素利用效率 Nitrogen utilization efficiency (kg/kg) 氮肥偏生产力 Partial productivity of nitrogen fertilizer (kg/kg) 磷素利用效率 Phosphorus utilization efficiency (kg/kg) 磷肥偏生产力 Partial productivity of phosphorus fertilizer (kg/kg) 磷肥利用率 Utilization rate of phosphorus fertilizer (%) 钾素利用效率 Potassium utilization efficiency (kg/kg) 钾肥偏生产力 Partial productivity of potassium fertilizer (kg/kg) 早稻 Early rice P45S1 91.02a 47.27bc 331.54bc 157.56a 14.27a 94.52b 47.27bc P45S2 89.22ab 46.60c 361.43a 155.33a 9.72d 89.08cd 46.60c P75S1 83.07c 53.20a 336.00b 106.40b 11.71b 91.73bc 53.20a P75S2 88.77ab 48.47bc 318.58c 96.93c 10.47c 99.96a 48.47bc P105S1 73.47d 49.40b 294.16d 70.57d 9.73d 84.93d 49.40b P105S2 86.10bc 48.53bc 282.06d 69.33d 10.32c 87.80cd 48.53b P0 87.86a 43.13c 432.34a － － 92.39a 43.13c $\bar{P45}$ 90.12a 46.93b 346.48b 156.44a 11.99a 91.80a 46.93b $\bar{P75}$ 85.92a 50.84a 327.29c 101.67b 11.09b 95.85a 50.84a $\bar{ P105}$ 79.79b 48.97ab 288.11d 69.95c 10.03c 86.37b 48.97ab $\bar{S1}$ 82.52b 49.96a 320.57a 111.51a 11.90a 90.39a 49.96a $\bar{S2}$ 88.00a 47.87a 320.69a 107.20a 10.17b 92.28a 47.87a 晚稻 Late rice P45S1 79.57a 63.47c 316.54ab 211.56a 14.39a 94.07a 63.47c P45S2 78.55a 64.47c 329.42a 214.89a 12.79b 93.21a 64.47c P75S1 78.26a 66.73bc 293.63c 133.47b 13.99a 94.81a 66.73bc P75S2 78.39a 70.27a 311.19b 140.53b 13.70a 94.84a 70.27a P105S1 73.72b 66.47bc 285.84c 94.95c 10.74d 84.27b 66.47bc P105S2 72.72b 67.87ab 283.43c 96.95c 11.73c 81.63b 67.87ab P0 79.28a 61.60c 391.57a － － 97.08a 61.60c $\bar{P45}$ 79.06a 63.97bc 322.98b 213.22a 13.59a 93.64a 63.97b $\bar{P75}$ 78.33a 68.50a 302.41c 137.00b 13.84a 94.83a 68.50a $\bar{ P105}$ 73.22b 67.17ab 285.64d 95.95c 11.24b 82.95b 67.17ab $\bar{S1}$ 77.18a 65.56a 301.23a 146.66a 13.04a 91.05a 65.56a $\bar{S2}$ 76.55a 67.54a 306.34a 150.79a 12.74a 89.89a 67.54a