秋大白菜高产栽培技术要点!内容摘要:
2、。 田间管理幼苗期管理播后浇一水,定苗后视天气情况再及时浇一水,防止高温干旱影响幼苗生长。 浇水后或雨后应及时中耕。 莲座期管理亩施人粪尿 1000 公斤或尿素 10 公斤,施肥后及时浇水,以后掌握见干见湿原则。 结球期管理亩追施人粪尿 2000 公斤或尿素 15 公斤,每隔 5浇一水,始终保持土壤湿润,水分供应均匀。 采收前 8 天停止浇水,以免球体水分过大,引起腐烂。 防治病虫用病毒 1 号油乳剂 500 倍液防治病毒病;用 40%乙磷铝 300 倍液防治霜霉病;用 150用硫酸链霉素防治软腐病;用 90%敌百虫 100 倍液防治跳甲;用国产 50%抗蚜威 2000 倍液防治蚜虫;用 剂防治菜青虫。 专利查询。秋大白菜高产栽培技术要点!
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