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

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 under 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.