论文部分内容阅读
水稻稻瘟病的防治必须坚持防重于治的原则。除在播种前处理好带病稻草和种子消毒外,加强肥水管理抓好健身栽培,这是预防稻瘟病的一条重要措施。 1.坚持适氮高磷钾的施肥原则氮肥过量,往往是稻瘟病发生的重要因素。相当一部分农户存在着重氮轻磷钾的施肥方法,特别是高肥田,减少氮肥用量,增加磷钾肥用量是防止稻瘟病发生的行之有效的措施。
Rice blast prevention and treatment must adhere to the principle of prevention and cure. In addition to dealing with sick straw and seed disinfection prior to sowing, strengthening fertilizer and water management to do a good job in fitness cultivation is an important measure to prevent rice blast. 1. Adhere to the principle of nitrogen, phosphorus and potassium fertilization Nitrogen excess, is often an important factor in the occurrence of blast disease. A considerable number of farmers there is the method of fertilizing nitrogen, phosphorus and potassium, especially high-fat fields, reducing the amount of nitrogen and increasing the amount of phosphorus and potassium fertilizer is an effective measure to prevent the occurrence of rice blast.