水稻晚栽高产技术的研究

根据三年水稻晚栽高产技术研究的结果,认为营养士旱育,长龄带蘖的壮秧是晚栽高产的关键。中熟品种稀播晚栽产量高于早熟品种晚播晚栽。晚栽品种以沈农1033较安全,在辽宁省南部可用辽粳5号。本文还阐明了晚栽水稻的生育特性,经济性状及产量变化规律,并提出了晚栽高产的其他技术措施.

Techniques of Planting Rice Late While Ensuring High Yield

Three years study on the techniques of planting rice late while ensuring high yield leads the author to believe that dry raising well-developed robust seedlings with tillers in nutrient soil is the key, and that mid season varieties sowed thinly and planted late yield more than early-ripening varieties sowed and planted late. Among the varieties tested, Shen Nong 1033 is more se- cure than the others. Liao Jing 5 can be planted in the southern part of Liaoning Province. The growth characters, yield-related traits and the pat- tern of yield variation are discussed. Finally, clues to the techniques of plan- ting rice late while ensuring high yield are given.