由于佳县独特的气候和自然环境,海拔高度1200m,山区气候、光照充足、昼夜温差大,土壤质地很适合马铃薯生长发育,病虫害感染轻,种薯带菌传播少,是陕西省及至全国天然优质的马铃薯种薯繁育基地。所产脱毒马铃薯近90%作种用,供应甘肃、宁夏、内蒙古、河北、湖 Due to the unique climate and natural environment of Jiaxian County, the altitude is 1200m, the climate in mountainous area is abundant, the temperature difference between day and night is large, the soil texture is suitable for the growth and development of potato, the pest and disease infection is light, Potato seed breeding base. Produced nearly 90% of virus-free potatoes for planting, supply Gansu, Ningxia, Inner Mongolia, Hebei, Lake