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(1)选用抗病品种。如选用广陆矮四号、秀江早九号等根系发达抗逆性强的水稻品种,能减轻病害发生。 (2)改造冷浆田、深脚田。通过开渠挖圳降低地下水位,掺入黄泥土,改冬浸为冬晒或冬作,达到改善土壤理比性状,提高土壤肥力及土温,以有利于稻株生长。 (3)增施磷钾肥。在常年发生赤枯病的稻田,或通过土壤普查诊断缺磷、缺钾田,
(1) Selection of disease-resistant varieties. Such as the selection of Guanglu Azerbaijan, Xiujiang early on the 9th and other roots developed strong resistance rice varieties, can reduce the occurrence of diseases. (2) transformation of cold paddy fields, deep-footed fields. Cut through the canals to reduce the groundwater level, mixed with yellow soil, change the winter soaking winter or winter as winter, to improve soil physiological properties, improve soil fertility and soil temperature in order to facilitate the growth of rice plants. (3) increase the phosphorus and potassium fertilizer. In rice fields where perennial blight occurs, or through the soil survey to diagnose phosphorus deficiency, potassium deficiency fields,