安徽农业科学2017，Vol.45Issue(22)：20-24,5.
油菜秸秆还田对不同水稻品种秧苗前期生长的影响
Effects of Rape Straw Returning to Field on Early-stage Seedling Growth of Different Rice Varieties
摘要
Abstract
[Objective] This study aims to explore the effects of rape straw returning to field on early-stage seedling growth and development of different rice varieties.[Method] Through a split plot experiment design,different rape straw returning methods were used as the principle treatment,and the rice varieties were treated as the assistant treatment.The effects of non-returning,mulching and overturning of rape straw on the growth and development of Yixiangyou 2115 and Deyou 4727 were analyzed.[Result] When rape straw overturning to field was used,the tiller number,root length,leaf area index and above ground dry weight in early-stage seedlings were lower than those of control and straw mulching group,regardless of rice variety.When the same treatment method was used,the tiller number,root length,leaf area index and above ground dry weight of Deyou 4727 were higher than those of Yixiangyou 2115 during all observation periods.[Conclusion] Straw overturning to field caused runt seedlings,as different rice varieties had various responses to straw returning methods.In order to meet the mechanized operations,rice varieties adapted to straw overturning to field could be popularized in rice production.关键词
秸秆还田/秧苗/品种/生长发育Key words
Straw returning/Rice seedlings/Variety/Growth and development分类
农业科技引用本文复制引用
陈鑫,黄晶,任品安,邹强,陶诗顺..油菜秸秆还田对不同水稻品种秧苗前期生长的影响[J].安徽农业科学,2017,45(22):20-24,5.基金项目
国家自然科学基金青年基金(31500498) （31500498）
国家科技支撑计划项目"四川盆地水稻丰产节水节肥技术集成与示范"(2013BAD07B13). （2013BAD07B13）
