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苹果优质丰产栽培技术/中央农业广播电视学校主编;汪景彦编写.-北京:农业出版社,1993.7.-107页;19cm.-农村实用技术培训教材.-ISBN 7-109-02977-8:2.40元果树栽培与病虫害防治/刘恩璞主编;魏淑琴等编
Apple high quality and high yield cultivation techniques / Central Agricultural Broadcasting and Television School editor; Wangjing Yan prepared .- Beijing: Agricultural Press, 1993.7.-107 pages; 19cm.- rural practical training materials.-ISBN 7-109-02977-8: 2.40 yuan Fruit tree cultivation and pest control / Liu Enpu editor; Wei Shuqin eds