不同灌溉模式和肥料处理对再生稻再生芽生长和再生季产量形成的影响

毛顺鑫, 肖无为, 张作林, 黄家达, 王飞, 黄见良, 彭少兵, 崔克辉

Effects of Different Irrigation Patterns and Fertilizer Managements on the Growth of Axillary Buds and Yield Formation of Ratoon Season in Ratoon Rice

Mao Shunxin, Xiao Wuwei, Zhang Zuolin, Huang Jiada, Wang Fei, Huang Jianliang, Peng Shaobing, Cui Kehui

表4 不同水肥处理下再生季地上部干物质量和氮素积累量

Table 4 Dry matter and nitrogen accumulation in the ratoon season under different water and fertilizer treatments

灌溉模式 Irrigation pattern 肥料处理 Fertilizer treatment 头季 稻桩干重 Stubble dry weight of first-season (t/hm2) 再生季 地上部干重 Total dry weight of ratoon season (t/hm2) 再生季当季 干物质积累量 Dry matter accumulation during ratoon season (t/hm2) 头季稻桩 氮素浓度 Stubble N concentration (%) 头季稻桩 氮素积累 Stubble N (kg/hm2) 再生芽 氮素浓度 Ratoon bud N concentration (%) 再生芽 氮素含量 Ratoon bud N content (kg/hm2) 再生季当季 氮素积累量 N uptake during ratoon season (kg/hm2) 再生季地上部 氮素积累量 Total N uptake of ratoon season (kg/hm2) CI NBF 3.26b 13.25cd 9.99c 0.85bcd 27.5c 2.13abc 20.2d 68.7a 96.3b BF 3.92ab 14.39bc 10.47b 1.08ab 42.2ab 1.55c 31.0abc 73.9a 116.1a SRF 4.22ab 16.38a 12.17a 0.98abcd 40.2b 2.15abc 24.1bcd 71.6a 111.8a 平均 3.80A 14.67A 10.88A 0.97A 36.6A 1.94A 25.1A 71.4A 108.0A WMD NBF 3.62ab 12.99d 9.37c 0.83cd 29.6c 2.68a 20.1d 63.7a 93.3b BF 4.42a 15.13b 10.71b 1.06ab 46.1a 1.80bc 39.5ab 68.6a 114.7a SRF 3.99ab 14.54bc 10.55bc 1.09ab 43.3ab 2.39ab 29.2abc 67.0a 110.1a 平均 4.01A 14.22A 10.21A 0.99A 39.6A 2.29A 29.6A 66.4A 106.0A WSD NBF 3.70ab 12.82d 9.12c 0.77d 28.5c 2.12abc 22.6cd 66.6a 95.1b BF 3.84ab 14.90b 11.06b 1.11a 41.7b 1.90abc 41.3a 72.4a 114.0a SRF 3.98ab 14.96b 10.97b 1.02abc 40.5b 2.13abc 37.8abc 72.2ab 112.7a 平均 3.84A 14.23A 10.38A 0.97A 36.9A 2.05 33.9A 70.4A 107.3A 方差分析 ANOVA 灌溉模式（I） ns ns ns ns ns ns ns ns ns 肥料处理（F） ns ** ** * * ** * ** I×F ns ns ns ns ns ns ns ns ns