春洋芋高产关键技术要夺取春洋芋高产，必须抓好以下四项关键技术。１、精细整地，施足底肥。洋芋既怕涝，又怕旱，加之是在土里结薯，这就要求土壤耕作层深厚、疏松、透气、湿润、富含有机质。种植春洋芋的地块宜在年底前及早深翻炕晒，深度达３０厘米以上为好，土层不深... Spring Potato high yield key technology To seize spring potato high yield, we must grasp the following four key technologies. 1, fine preparation, Shi enough fertilizer. Potato is afraid of waterlogging, but also afraid of drought, combined with tubers in the soil, which requires deep soil cultivation layer, loose, breathable, moist, rich in organic matter. Planting spring potato plots should be deep in the sun before the end of kang sun depth of 30 cm or more as well, the soil is not deep ...