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从实施我省《脱毒马铃薯综合标准》谈冀西北马铃薯的生产与发展张希近，庞万福，李振树，韩宋舜，王登社，高占旺，郭振国（河北省张家口市坝上农科研０７６４５０）刘福胜，程柱（河北省张家口市技术监督局）（河北省张家口市种子公司）１前言由张家口市技术监督局提出，...
Discussion on the Production and Development of Potato in Northwest Hebei from the Implementation of “Integrated Standard of Virus - free Potato” in our Province ZHANG Xi - Cheng Zhu (Zhangjiakou City, Hebei Province Technical Supervision) (Zhangjiakou City, Hebei seed companies) 1 Preface proposed by the Zhangjiakou City Technical Supervision, ...