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冀西北马铃薯退化原因及防止措施张希近，庞万福，李振树，高占旺，韩宗舜（河北省张家口市坝上农科所０７６４５０）马铃薯是冀西北主要粮菜兼用作物，它具有抗旱御灾，高产稳产，适应性强等优点。马铃薯在冀西北历年播种面积达１ｘ１０￣５ｈａ左右。成为冀西北旱作优势...
Reasons and Prevention Measures of Potato Degeneration in Northwest Hebei Province Xixi, Pang Wanfu, Li Zhenshu, Gao Zhanwang, Han Zongshun (Bashang Agricultural Science Institute, Zhangjiakou City, Hebei Province 076450) Potato is a staple food and crop used in northwestern Hebei Province. , Adaptable and so on. Potato in northwest Hebei sown area of about 1x10 ~ 5ha. To become the advantage of Northwest drought in Hebei ...