优质食味粳稻控混肥一次性基施效应

蒋伟勤,胡群,俞航,马会珍,任高磊,马中涛,朱盈,魏海燕,张洪程,刘国栋,胡雅杰,郭保卫

Effect of One-Time Basal Application of the Mixed Controlled-Release Nitrogen Fertilizer in Japonica Rice with Good Taste Quality

JIANG WeiQin,HU Qun,YU Hang,MA HuiZhen,REN GaoLei,MA ZhongTao,ZHU Ying,WEI HaiYan,ZHANG HongCheng,LIU GuoDong,HU YaJie,GUO BaoWei

表5 不同控混肥配比方式下优质食味粳稻茎蘖动态和成穗率的差异

Table 5 Differences in tillers dynamic and percentage of productive tiller of japonica rice with good taste quality under different combination of controlled-release fertilizers

品种 Cultivar 处理 Treatment 分蘖盛期 Peak tiller stage (×104 hm-2) 拔节期 Jointing (×104 hm-2) 抽穗期 Heading (×104 hm-2) 成穗率 Percentage of productive tiller (%) 2018 2019 2018 2019 2018 2019 2018 2019 南粳9108 Nanjing9108 60 d+40 d 624.00a 624.54a 579.78a 546.04a 386.35cd 392.81bc 59.12d 60.67d 60 d+80 d 620.88a 622.50a 578.82a 545.62a 385.18cd 392.36bc 59.50d 61.03d 80 d+60 d 605.70ab 614.79ab 572.28a 546.58a 394.32bc 398.03abc 60.89cd 61.80cd 80 d+100 d 606.24ab 606.78b 576.60a 547.51a 397.18ab 407.36ab 61.49cd 63.17bc 100 d+80 d 598.26b 606.72b 571.08a 543.43a 403.59ab 412.24a 64.51b 64.60b 100 d+120 d 595.86b 605.34b 573.72a 546.86a 405.80a 414.39a 62.94b 63.73b CK 524.54c 524.91c 489.60b 492.67b 379.20d 386.17c 68.89a 70.01a 丰粳1606 Fengjing1606 60 d+40 d 571.94ab 606.45a 525.27a 522.28a 375.87c 397.20cd 63.62c 63.51d 60 d+80 d 574.65a 601.62ab 524.13a 516.87a 379.89c 402.55bc 63.77c 64.06cd 80 d+60 d 567.45abc 594.50abc 517.95a 520.02a 386.03bc 406.11abc 64.72c 66.05cd 80 d+100 d 561.03abc 591.18bc 519.54a 516.34a 400.76ab 414.50ab 66.65bc 66.54bc 100 d+80 d 557.40bc 585.00c 515.82a 520.79a 405.40a 416.62a 68.29b 68.84b 100 d+120 d 552.15c 584.45c 517.56a 522.50a 403.09a 417.28a 68.38b 68.73b CK 497.45d 511.20d 473.76b 487.00b 379.55c 387.59d 72.38a 72.94a