氮肥不同施用比例对豫南稻区杂交籼稻子粒灌浆特性及产量的影响

崔艳妮,詹俊辉,闫鹏起,可文静,宋宁垣,张中南,王留行,黄岩,张静,赵全志

Effects of Different Application Proportion of Nitrogen Fertilizer on Grain-Filling Characteristics and Yield of Hybrid Indica Rice in Southern Henan Province

Yanni Cui,Junhui Zhan,Pengqi Yan,Wenjing Ke,Ningyuan Song,Zhongnan Zhang,Liuhang Wang,Yan Huang,Jing Zhang,Quanzhi Zhao

表2 氮肥不同施用比例处理水稻产量及其构成因素

Table 2 Grain yield and its components under different application proportion of nitrogen fertilizer

N处理 N treatment 品种 Variety 有效穗数(×104/hm2) Effective panicles 每穗粒数 Spikelets per panicle 结实率(%) Seed setting rate 千粒重(g) 1000-grain weight 产量(t/hm2) Yield N1 P1 151.70±2.18b 190.25±14.36b 76.80±1.26b 28.25±0.43a 10.17±0.39a P2 200.10±2.57a 211.11±13.75b 85.18±0.55a 24.48±0.13b 10.92±0.36a P3 130.42±2.96c 316.24±13.41a 72.94±1.51b 23.73±0.12b 10.81±0.10a 平均Average 160.74a 239.20a 78.31b 25.49a 10.63b N2 P1 171.10±5.56b 216.45±4.41b 79.88±1.59a 28.07±0.08a 10.71±0.12b P2 210.48±5.34a 197.67±6.28b 85.04±0.06a 24.86±0.11b 11.11±0.15b P3 152.67±9.02b 297.11±13.50a 79.94±2.14a 23.64±0.19c 11.71±0.12a 平均Average 178.08a 237.08a 81.62ab 25.52a 11.17b N3 P1 176.38±2.97b 227.47±4.70b 77.27±1.16b 27.84±0.43a 11.76±0.08a P2 222.33±4.45a 206.65±2.84b 83.80±0.46a 25.08±0.12b 12.30±0.16a P3 171.74±9.94b 299.88±29.14a 76.73±1.02b 23.68±0.09c 12.67±0.48a N处理 N treatment 品种 Variety 有效穗数(×104/hm2) Effective panicles 每穗粒数 Spikelets per panicle 结实率(%) Seed setting rate 千粒重(g) 1000-grain weight 产量(t/hm2) Yield 平均Average 190.15a 244.67a 79.27ab 25.53a 12.24a N4 P1 171.95±5.93b 217.85±5.64b 80.25±1.30b 28.05±0.11a 11.92±0.61a P2 220.85±3.92a 221.69±6.80b 86.21±0.80a 25.13±0.31b 12.14±0.08a P3 158.77±1.31b 338.84±28.89a 81.80±0.47b 24.04±0.08c 12.24±0.32a 平均Average 183.86a 259.46a 82.75a 25.74a 12.10a F值F value 肥料Fertilizer 138.56** 63.73** 46.17** 399.38** 2.69 品种Variety 16.91** 1.41 9.27** 0.78 0.28 肥料×品种 Fertilizer×Variety 0.80 0.96 2.39 1.11 1.15