云南农业大学学报2012，Vol.27Issue(4)：551-555,5.DOI:10.3969/j.issn.1004-390X(n).2012.04.016
不同氮肥水平下杂交粳稻滇杂35产量分析
The Yield Analysis of Hybrid Japonica Rice Dianza35 under Different Nitrogen Application Levels
摘要
Abstract
The yields of Dianza 35 and its parents ( Hexi 42 -5B and Nan 34) under different nitrogen levels (0, 150 , 300, 450 kg/hm2) were analyzed; the yields of Chujing 27 which is super hybrid rice was also analyzed. The results showed that the yields of Dianza 35 and Hexi 42 - 5 B decreased significantly with the increase of nitrogen fertilizer rate under 154 mg/kg of soil available nitrogen (N) (P < 0. 05) and the yield of Nan 34 increased significantly with the increase of nitrogen fertilizer rates under this environment (P <0. 05 ) , only Chujing 27 had no changes. The yield of Dianza 35 obviously higher than those varieties under no N-input conditions or less N-input conditions of 150 kg/hm2. The difference was especially obvious under no N-input conditions, the yield of Dianza 35 was higher by 31. 44% , 38. 56% and 24. 77% than Hexi 42 -5B, Nan 34 and Chujing 27, respectively. These results are in agreement with extension production of Dianza 35. Dianza 35 is suitable for extension and planting under areas of less nitrogen fertility.关键词
滇型杂交粳稻/施氮水平/产量Key words
Dian type Japonica hybrid rice/ nitrogen application levels/ yield分类
农业科学引用本文复制引用
金寿林,王石华,文建成,谭学林,贺冰晶..不同氮肥水平下杂交粳稻滇杂35产量分析[J].云南农业大学学报,2012,27(4):551-555,5.基金项目
科技部科技成果转化项目(2009GB2F300346) （2009GB2F300346）
云南省科技攻关项目(2009BB007). （2009BB007）
