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辛硫磷40%(乳油)-产品-农博数据中心

辛硫磷40%(乳油)-产品-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Tianjin new yearLepidoptera pestMulberry pestMulberry piratesMulberry spring

蚕中毒的原因与预防措施介绍-实用技术-农博数据中心

蚕中毒的原因与预防措施介绍-实用技术-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Mulberry pest

桑树病虫害的春季防治技术-实用技术-农博数据中心

一般在上年秋季防治未能及时，而幼虫越冬基数高时，宜进行白条治虫。在3月下旬即桑芽脱苞前10天，用50%甲胺磷乳剂1500倍液进行防治，安全间隔期20天，主治越冬桑尺蠖、桑毛虫兼治桑象虫。若因桑毛虫越冬出蛰日期与桑树冬.

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辛硫磷70%（乳油）-产品-农博数据中心

辛硫磷70%（乳油）-产品-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Health pestShandong province jinanShandong province jinan limitedLepidoptera pestMulberry pestMulberry piratesMulberry spring

辛硫磷 40%（乳油）-产品-农博数据中心

辛硫磷 40%（乳油）-产品-农博数据中心
aweb.com.cn - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from aweb.com.cn Daily Mail and Mail on Sunday newspapers.

Mulberry pestMulberry piratesMulberry spring