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秦皇岛市苹果品种现状分析及建议

DISCUSSION AND SUGGESTION ON CURRENT STATE OF APPLE VARIETIES IN QINHUANGDAO CITY
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摘要 本文调查研究了秦皇岛市苹果品种构成的现状,老品种所占比例在82%左右。根据几年来的试验观察,对新老品种的经济效益进行了对比;介绍了一些苹果新品种在秦皇岛市的表现,初步提出适于秦皇岛市发展的苹果新品种,为苹果品种的更新换代提供参考依据。 The present state of the composition of apple varieties in Qinhuangdao City was investigated in the thesis. There was about 82% of the old varietise. Economical benefit between the new and old yarieties was compared through experiment and observation in resent years. Performances of some new apple varieties in Qinhuangdao City was described. And some new apple vaieties suitble in Qinhuangdao were also suggested to meet the regeneration orf apple varieties.
出处 《河北农业技术师范学院学报》 1991年第4期62-68,共7页
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