Impacts of the Space in the Row on Rice Growth Character and Yield

Using Yanfeng47 to study the growth and yield of rice by comparative test,the results indicated that enlarge space in the row can enhance tillering rate and forming spike,raise the disease resistance of plant.When the distance between the rows which named X2 was 33 cm×15 cm,per unit panicles,dry matter yield of maturation period and the proportion of dry matter have the chief place,the yield was 697.8 kg/667 m2,increase yields by 6.7% and 3.9% than X1 and X3,the single-spike number of X1,X2 and X3 were 3.9,4.5 and 4.8.