稻草还田下不同栽培措施对双季晚粳产量的影响  

Effects of Different Cultivation Measures on Yield of Double Cropping Late Japonica Rice under Rice Straw Returning to Field

作　　者：江雅 张玲霞 章向祝 胡润 JIANG Ya(Chizhou Institute of Agricultural Sciences,Chizhou,Anhui 247000)

机构地区：[1]池州市农业科学研究所,安徽池州247000

出　　处：《园艺与种苗》2020年第8期34-35,38,共3页Horticulture & Seed

基　　金：十三五粮食丰产科技工程项目(2017YFD0301304,2018YFD0300906)。

摘　　要：[目的]探索促进双季晚粳早生快发的配套技术。[方法]研究4种不同的育苗、施肥、水管栽培措施对双季晚粳秧苗素质、分蘖动态和产量的影响。[结果]在稻草还田下,采用烯效唑浸种、点栽、起垄、间隙灌溉等措施综合应用,促进晚稻早生快发,比稻草不还田和稻草还田下常规管理提前成熟4 d,比稻草不还田增产16.7%,比稻草还田下采用常规管理增产19.7%。[结论]在稻草还田下,采取的高效栽培措施,可提高秧苗素质,增强土壤含氧量,促进根系生长,从而促进水稻分蘖早、快,缩短水稻缓苗期,达到高产。[Objective]The aim of this study was to explore the matching technology to promote the early growth and rapid development of double cropping late japonica rice.[Method]The effects of four different cultivation measures on seedling quality,tiller dynamics and yield of double cropping late japonica rice were studied.[Result]The comprehensive application of seed soaking with uniconazole,point planting,ridging and intermittent irrigation was adopted to promote the early growth and rapid development of late rice.It matured 4 days earlier than the conventional management under straw returning to field and the straw not returning to field.The yield was 16.7%higher than that without straw returning to field and 19.7%higher than that the conventional management under straw returning to field.[Conclusion]Under the condition of straw returning to the field,the high-efficiency cultivation measures could improve the seedling quality,enhance the soil oxygen content,promote the root growth,so as to promote the early and fast tillering of rice,shorten the rice seedling period,and achieve high yield.

关 键 词：稻草还田 双季晚粳 高效栽培措施 分蘖 产量 

分 类 号：S511[农业科学—作物学]