氮肥缓速配施对机插杂交稻氮素利用特征的影响

吕腾飞,谌洁,马鹏,代邹,杨志远,徐徽,郑传刚,马均

Effects of Combined Application of Slow Release Nitrogen Fertilizer and Urea on the Nitrogen Utilization Characteristics in Machine- Transplanted Hybrid Rice

LÜ TengFei,SHEN Jie,MA Peng,DAI Zou,YANG ZhiYuan,XU Hui,ZHENG ChuanGang,MA Jun

表5 氮肥缓速配施对2种机插杂交稻不同生育阶段氮素积累与转运的影响

Table 5 Effects of different machine-transplanted methods and N treatments on N accumulation and transportation (kg·hm-2)

年份 Year 处理 Treatment 拔节—抽穗 Elongation to heading 抽穗—成熟 Heading to maturity 氮素积累量 N accumulation 氮素转运量 N transportation 氮素积累量 N accumulation 茎鞘 Stem-sheath 叶片 Leaf 穗部 Panicle 茎鞘 Stem-sheath 叶片 Leaf 穗部 Panicle 2016 M1N0 22.54±0.52c 24.07±1.06d 20.69±0.15a 9.00±0.31c 27.78±1.20d 81.95±1.61c M1N1 51.24±0.79a 50.89±3.17b 14.23±0.10d 39.96±1.17a 75.96±1.85b 129.60±1.44a M1N2 33.49±1.03b 31.17±0.66c 16.14±0.26c 29.25±1.03b 63.61±0.73c 119.61±1.31b M1N3 51.40±0.27a 66.45±2.30a 17.78±0.44b 30.84±0.56b 85.55±2.93a 127.52±1.60a M2N0 11.65±0.16d 9.06±1.47d 22.99±0.20a 3.49±0.69c 18.50±0.82c 72.90±2.54b M2N1 27.73±0.34b 46.45±2.75b 16.94±0.28bc 13.20±1.65b 66.41±1.05a 108.28±1.15a M2N2 18.01±1.14c 25.39±1.93c 17.19±0.49b 4.78±0.94c 52.79±1.25b 105.46±1.07a M2N3 48.89±3.84a 58.97±2.52a 16.45±0.47c 26.44±3.49a 66.73±0.90a 107.39±2.68a M 126.11** 13.21ns 7.37ns 154.23** 82.64* 959.23** N 177.24** 280.36** 268.34** 85.59** 789.54** 197.52** M×N 15.98** 3.68* 28.96** 29.18** 7.07** 4.15* 2017 M1N0 23.32±1.00c 17.91±1.13c 21.29±0.46a 8.38±1.07d 19.09±0.52d 84.99±2.46c M1N0 53.20±1.35a 40.81±1.35b 13.95±0.21c 47.37±0.80a 64.16±1.41b 141.16±1.78a M1N1 22.08±2.14c 21.12±2.46c 16.91±0.18b 21.15±1.95c 58.39±1.35c 121.66±0.28b M1N2 44.22±1.98b 56.59±2.95a 15.74±0.79d 27.28±1.31b 81.93±3.16a 139.59±0.02a M1N3 15.26±0.91c 7.62±1.11d 24.52±0.71a 0.99±0.67d 12.18±0.47c 74.12±1.63c M2N0 21.46±1.07b 35.49±2.91b 16.66±0.59b 9.55±1.60b 58.88±0.97b 117.76±1.49a M2N1 16.73±0.52c 25.97±1.61c 15.56±0.11b 5.04±0.35c 58.42±1.74b 110.54±4.05b M2N2 35.59±1.22a 50.77±0.62a 15.44±0.30b 19.48±1.67a 65.02±1.00a 118.36±2.45a M 270.63** 15.81ns 8.48ns 268.98** 1262.75** 367.75** N 117.31** 177.93** 117.03** 134.05** 603.87** 215.16** M×N 35.41** 5.76* 11.29** 60.49** 11.85** 4.24*