施氮量与氮磷钾配比对小粒型杂交稻源库特性的影响

潘群肖, 龙超, 卓乐, 殷超, 肖敏, 周文新, 易镇邪

Effects of Nitrogen Application Rate and N-P-K Ratio on Source-Sink Characteristics of Small-Seed Hybrid Rice

Pan Qunxiao, Long Chao, Zhuo Le, Yin Chao, Xiao Min, Zhou Wenxin, Yi Zhenxie

表9 施氮量与氮磷钾配比对小粒杂交稻叶片不同时期粒叶比的影响

Table 9 Effects of nitrogen application rate and N-P-K ratio on grain-leaf ratio of small-seed hybrid rice at different growing stages

处理 Treatment 2023 2024 孕穗期 Booting stage 齐穗期 Full heading stage 灌浆中期 Mid-filling stage 孕穗期 Booting stage 齐穗期 Full heading stage 灌浆中期 Mid-filling stage N1 0.806a 0.897a 1.067a 0.782a 0.855a 1.050a N2 0.806a 0.894a 1.059ab 0.790a 0.865a 1.033a N3 0.805a 0.898a 1.061ab 0.787a 0.862a 1.037a N4 0.792a 0.890a 1.046b 0.777a 0.847a 1.034a F1 0.798a 0.888a 1.057a 0.790a 0.861a 1.047a F2 0.808a 0.888a 1.058a 0.785a 0.858a 1.034a F3 0.801a 0.908a 1.059a 0.777a 0.854a 1.030a N1F1 0.807a 0.898ab 1.078a 0.777a 0.856ab 1.066a N1F2 0.813a 0.888ab 1.052ab 0.785a 0.862ab 1.039ab N1F3 0.798a 0.905ab 1.069a 0.785a 0.848ab 1.027ab N2F1 0.787a 0.873b 1.044ab 0.792a 0.870a 1.027ab N2F2 0.807a 0.886ab 1.056ab 0.793a 0.860ab 1.038ab N2F3 0.823a 0.924a 1.076a 0.785a 0.865a 1.035ab N3F1 0.793a 0.891ab 1.057ab 0.798a 0.862ab 1.047ab N3F2 0.820a 0.899ab 1.064ab 0.795a 0.861ab 1.045ab N3F3 0.803a 0.903ab 1.062ab 0.769a 0.864ab 1.019b N4F1 0.804a 0.890ab 1.051a 0.792a 0.854ab 1.048ab N4F2 0.793a 0.881ab 1.060ab 0.769a 0.850ab 1.014b N4F3 0.779a 0.899ab 1.027b 0.768a 0.838b 1.041ab N ** ns ** ** ** ** F * ** ns ** * ** N×F ** ** ** ** * **