一、精细收获在当地气温降至１５℃时开始收挖苕块，至严霜前结束，收获时要做到轻收、轻放，防破、防雨、防冻。二、精选薯块做到收获时精选，入窖前复选，严防破伤虫伤、感染病菌、受冷遭冻、水渍发芽的苕块入窖。三、选好窖址一般选择在沥水干燥、背风向阳、无病菌的地方建 First, the fine harvest When the local temperature dropped to 15 ℃, began to dig Shua block, to the end before the Yan cream harvest to be light, light, anti-breaking, rain, antifreeze. Second, select the best selection of potato harvest, into the pit before the election, to prevent tetanus wounds, infected with bacteria, cold and cold water, water sprouting spiced block into the cellar. Third, select the cellar site generally choose to drain dry, leeward sunny, bacteria-free place to build