早稻旱地育秧是培青壮秧，抗御低温冷害，实现早稻稳化高产的重要措施，但早地育秧极易发生死苗c早稻旱地育秧死苗常发生于播种后出土前，表现为立计期的芽腐．l～2叶期的针腐，播种后至2叶期的腐零，2－3叶期的黄恰．3叶朗前后的青枯．整个苗期的恶苗病及第】叶出生期的责他苗 Early rice dryland seedling is cultivated strong young seedlings to resist chilling damage and achieve early rice stable and high yield of important measures, but early seedling prone to early death seedlings c early rice seedlings dry landowners often occur in the unearthed before sowing, the performance of legislation Bud rot. Needle rot in l ~ 2 leaf stage, rotting zero in the second leaf stage after sowing, yellow just in 2-3 leaf stage. 3 leaves before and after the green withered. The entire seedling disease and the first leaflet Blame Blast Miao vaccine