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貫穿于農作物栽培管理的全過程,如何實施病蟲害的農業防治?

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正確答案:

①在選種.上,應選用抗蟲抗病品種

②在育苗育秧上,應培育壯苗壯秧,增加抵抗力

③拌種前,移栽前,對苗床及大田進行土壤消毒殺菌殺蟲

④管理全過程中,適時適量地澆水施肥間苗,修剪。提高植株長勢增強抵抗力,調節田間小氣候條件使之不利于病蟲害發生發展

⑤合理密植,增強通風通光能力

⑥及時除草,清除病蟲害中間寄生

⑦及時清除病株和病殘體,體閑期繼續做好病蟲的越冬越夏處理,減少菌蟲基數

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