水稻青立病是一种生理性病害,我区在很早以前就有零星发生,当时由于水利条件差,地改田的面积少,“青立”现象不多,危害很轻。目前山改田、溪改田、移坟造田和旱地改水田的面积不断扩大,在部分新改的沙性水田中,往往发生青立病,患病田块一般亩产二、三百斤,低的只有一百余斤,严重影响水稻产量,影响群众旱地改水田的积极性,因此,如 Chingik disease in rice is a physiological disease. My district was sporadically long ago. At that time, due to poor water conditions, the area for land reform was small. The phenomenon of “green building” was not serious and the damage was very slight. At present, the areas of mountainous fields and streams and fields rehabilitated by tillages, field grazing of grazing land and fields rehabilitated by dry land are constantly expanding. In some newly reformed sandy paddy fields, Only one hundred jin of catties seriously affect the output of rice and affect the enthusiasm of the masses in converting dry land into paddy fields. Therefore,