Fine soil preparation. The field surface of direct seeding rice must be leveled and ridged, and the height difference of ridge surface should not exceed 1 inch, which is the success or failure of direct seeding rice.

One of the key factors. Generally, a side ditch is opened every 3 meters or so as an operation line, which is convenient for field management such as fertilization and pesticide application.

Variety selection. Select seedlings with good cold tolerance, early growth, rapid development, moderate tillering ability, strong disease resistance, short plants and strong lodging resistance.

Early-maturing or middle-maturing varieties, such as Xiangzaoxian No.24, Xiangzaoxian No.32, Xiangzaoxian No.29, Zhong98-19, Zaoyou 143 and super hybrid rice Zhuliangyou.

8 19 and so on.