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分析海门市油菜后茬水稻田赤枯病严重发生的原因,主要与土壤缺钾、土壤中产生有毒物质和低温阴雨气候等因素有关。在此基础上,提出了合理施肥、加强田间管理和发病后及时补救措施的治理对策。
The reason of serious occurrence of the late blight in rice field after rapeseed in Haimen was related to factors such as potassium deficiency in the soil, toxic substances in the soil and low temperature rainy weather. On this basis, put forward the management measures of rational fertilization, strengthening field management and timely remedial measures after the onset of disease.