南方农业学报2012，Vol.43Issue(6)：788-791,4.DOI:10.3969/j:issn.2095-1191.2012.06.788
不同施氮量对百优838生理特性及生长发育的影响
Influence of different rates of nitrogen fertilizer on growth and physiological characteristics of rice variety Baiyou 838
摘要
Abstract
[Objective]Effects of different rates of nitrogen fertilizer on growth and physiological characteristics of rice variety Baiyou 838 were investigated in order to provide best cultivation regulation and population control in Baiyou 838 and similar superior rice cultivars. [Method]A randomized block experiment was conducted using six different nitrogen fertilizer dosage (0, 90, 150, 210, 270 and 330 kg/ha N) to investigate the growth dynamics of stem, tillering and panicle and yield during growing season. [Results]The good population with high net dry matter content and yield was found in Baiyou 838 under low nitrogen fertilizer treatment. N application 90 kg/ha gave the highest yield (8390.4 kg/ha), and this treatment was also beneficial for controlling tillering and stem dynamic as well as net dry matter content. The yield was the lowest in treatment applied with 330 kg/ha. [Conclusion]The rice variety Baiyou 838 was found sensitive to different nitrogen application rates, however, N application 90 kg/ha was found to be the best dose for rice cultivation.关键词
百优838/氮肥/生育特性/产量Key words
Baiyou 838/ nitrogen fertilizer/ growth characteristics/ yield分类
农业科技引用本文复制引用
何永祥,陈勤平,叶万余,黄世旅,赵金卫,林志豪,余永国,韦汉文,唐茂艳..不同施氮量对百优838生理特性及生长发育的影响[J].南方农业学报,2012,43(6):788-791,4.基金项目
国家现代农业产业技术体系广西创新团队(水稻)专项项目(nycytxgxcxtd-01) （水稻）
国家农转资金项目(2010GB2E100354) （2010GB2E100354）
