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新红星苹果的花期冻害…………………………………杨卫刚1(23)葡萄的嫁接栽培…………………………………………陈继峰2(12)苹果套用塑膜袋日灼问题的观察与解决………赵书华王同春等2(14)梨果套袋技术……………………………………………孙书静2(16)宁陵金顶谢花酥梨套塑膜袋
New star apple blossoms frost damage ....................................... Yang Weigang 1 (23) grape grafting cultivation ................................................ Chen Jifeng 2 (12) Apple Application of plastic bag sunburn problems observed and resolved ......... Zhao Shuhua Wang Tongchun 2 (14) pear fruit bagging technology ................................................... Sun Shujing 2 (16) Ningling Jinding Xie Pear pearls plastic film bag