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水稻旱秧立枯病是旱育秧最主要的病害，在全国各地普遍发生，危害十分严重，成为稻农反映最强烈的问题。关丽君等详细研究了我国北方稻区旱秧立枯病与土壤ｐＨ值、病原菌、秧苗素质等的关系，明确了培育壮秧和防治病害的关键技术是土壤调酸。成文志等研究认为，立枯病发生...
Rice dry seedling blight is the most important disease of dry nursery seedlings, which is common in all parts of the country. The damage is very serious and has become the most intense problem for rice farmers. Guan Lijun et al. Studied in detail the relationship between the dead-leaf blight of drought-growing seedlings and the soil pH value, pathogen and seedling quality in the northern rice area of China. The key technology of cultivating strong seedling and preventing and controlling diseases was soil acid-adjusting. Cheng Wenzhi and other research think that the blight occurs ...