Effect of Different Seeding Rate on Rice Seedling Quality

The test material used Wu you dao 4, experimental studied effect of seedling quality on 6 seeding rate. The results show that: It can get better seedling quality if seeding rate is 300 g~400 g/m2, the first leaf sheath height should be controlled at about 3 cm, seedling blight incidence area10%, moderate of seedling height, leaf age and stem width, the number of root16,the 100 plant dry weight of aboveground is higher.