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3月23日，贺兰山东麓酿酒葡萄种植基地，工人们正在铺藤、耕地种植葡萄（无人机照片）。随着气温升高，宁夏回族自治区贺兰山东麓优质酿酒葡萄产区数十万亩酿酒葡萄正在走出“冬眠”，迎来春天。冬藏土、春展蔓的农法，是我国北方一些葡萄产区为防止冬季低温对葡萄藤造成冻害而采用的独特农法。宁夏回族自治区贺兰山东麓，位于北纬37度至39度之间，是我国最大的酿酒葡萄集约种植和窖酒生产的连片地区。新华社记者 王鹏 供图