抗寒优质大苹果“短枝寒富”在宁安的表现王凤喜（黑龙江省宁安市寒大果树研究所１５７４０４）牡丹江市空气湿润，其中宁安年积温为２６００－２７００℃。为了验证抗寒大苹果能否在这些地区的“阳坡效益”区稳妥发展，宁安市寒大果树研究所于１９９２年春从沈阳农业大学... Good cold hardy big apple “short branch of the rich and cold” in Ning An Wang Fengxi (Ningxia City, Heilongjiang Province Cold Large Fruit Research Institute 157404) Mudanjiang City, humid air, of which Ningan annual accumulated temperature of 2600-2700 ℃. In order to verify whether the cold hardy apple in these areas, “sunny slope benefit” area of ​​safe development, Ning’an Cold Large Fruit Institute in the spring of 1992 from Shenyang Agricultural University ...