缓控释肥对水稻产量及灌浆期叶片碳氮代谢的影响

江峥嵘, 陈秋丽, 曾娜娜, 刘松, 林最昌, 杨扬, 丁艳锋, 李刚华

Effects of Slow- and Controlled-Release Fertilizers on Grain Yield and Leaf Carbon and Nitrogen Metabolism during the Grain-Filling Stage in Rice

Jiang Zhengrong, Chen Qiuli, Zeng Nana, Liu Song, Lin Zuichang, Yang Yang, Ding Yanfeng, Li Ganghua

表2 2020-2021年不同类型缓控释肥对水稻产量及其构成因素的影响

Table 2 Effects of different types of slow-controlled release fertilizer on rice yield and its components in 2020 and 2021

年份 Year 肥料类型 Fertilizer type 产量 Yield (t/hm2) 有效穗数 Effective panicle number (/m2) 每穗粒数 Grain number per panicle 总颖花量 Total number of spikelets (/hm2) 结实率 Seed-setting rate (%) 粒重 Grain weight (mg) 2020 CK 10.2ab 314.4ab 129.0a 4.1a 93.9a 26.9c UF 8.4c 286.2c 112.3b 3.2c 94.9a 27.6ab SCU 9.6b 305.5abc 117.5b 3.6bc 95.4a 28.0a PCU 10.2ab 293.3bc 131.8a 3.9ab 94.9a 27.8a BBF 10.8a 325.3a 131.2a 4.3a 93.6a 27.2bc 2021 CK 11.2a 323.0a 137.9a 4.4a 96.8a 26.1c UF 9.7b 335.7a 110.5c 3.7b 93.6a 28.3a SCU 8.6b 343.3a 94.2c 3.2c 94.9a 28.1ab PCU 11.1a 368.3a 116.0abc 4.3a 96.3a 27.2b BBF 11.0a 355.7a 117.3ab 4.2a 95.6a 27.5ab F-value 处理（T） ** ns ** ** ns ** 年份（Y） ** ** * * ns ns T×Y ** ns ns ** ns *