杂交水稻川香优506单产超10.5t/hm^2的产量结构与栽培技术

Yield Structure of Hybrid Rice Chuanxiangyou 506 Over than 10.5t/hm^2 and Its Cultivation Techniques

通过作者实践,分析了川香优506单产超10.5t/hm2的产量结构特点和农艺性状表现,提出实现高产要以"稳定穗数为基础、促大穗为核心、增加粒重为保障"的栽培目标和"前促、中稳、后攻"的技术路线,总结出采用"适时早播,旱育稀播,适龄移栽,科学施肥,以水调控,根外追肥,病虫综合防治"的高产配套技术。

Yield structure and agronomic traits of Chuanxiangyou 506 over than 10. 5t/hm2 was analyzed from author＇s study, proposed the high--yielding cultivation techniques to enhance the proportion of big spike and increase the weight of grains un- der a certain spikes and increase tillers at beginning growth period, stability growth at middle growth period and increase the weight of grain at fulfilling stage, and finally summarized high--yielding cultivation techniques of early sowing, raise seedling on try. land, transplanted at rational leaves, scientifically fertilization, control water, top dressing, integrated control.