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by 赵文新
孙红霞

ebook

本书以文字说明与照片相结合的方式，选择棉花田常见的24种(类)病虫害，详细介绍了其分布为害、症状(形态)特征、发生规律及防治措施，选配原色图片154张，重点突出病害田间发展不同时期症状和虫害不同形态的识别特征。