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,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,常见蔬菜病害识别与防治,1,番茄病毒病,2,番茄病毒病,3,4,引起番茄病毒病的毒源主要是烟草花叶病毒和黄瓜
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,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,第十一章 农药的科学使用,农药的科学使用主要涉及到：,1,）如何提高防治效果；,2,）如何避免农药对作物产生
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编号：__________
胡萝卜栽培技术课件
年级：___________________
老师：___________________
教案日期：____
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关于番茄育种现状与发展
前景技术报告
生物科技学院
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I主要内参 f、油菜我塔的生物学基础油菜轻简高产高效我培技术油菜主要病虫草害防治0川油菜生产条件/有利条件：我省气候温和湿润，云雾和阴雨天多，冬季无 严寒，温、光、水、热条件优越，利于秋播油菜生长，
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