苹果园的秋季管理

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Publication date
1 January 1999
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Abstract

秋季苹果处于采前膨大和着色期，由于雨水较多，果园通风不良，导致病虫害严重。秋季果园管理主要是促进果实膨大、着色，防治病虫害，增强幼树的越冬能力。１去除纸袋除袋时期，早、中熟品种在采果前２０天，晚熟品种在２５～３０天。除袋应在阴天或多云天气下进行；晴天..

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    Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources

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