4.5%高效氯氰菊酯微乳剂防治十字花科蚜虫药效试验

Shanghai Vegetables(2007)

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Abstract
<正>1试验地基本情况试验设在新浦区花果山乡大村村3组李守平家菜园,试验作物为花椰菜,品种为助农50天,处于莲座期,前茬作物为苏州青。土壤为黑土,pH值6.8。每667m~2基施腐熟有机肥1000kg、复合肥20kg、过磷酸钙20kg、尿素10kg。8月16日移栽,深沟高畦,畦宽1.2m,株距40cm,行距50cm。试验期间(9月16~22日)平均气温21.4℃,最高29.3℃,最低13.6℃,雨日1d,雨量63.8mm。试验当天晴天,平均气温
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