土豆有夏收、秋收之分。夏收的土豆收获后,要有3个月以上的高温高湿环境,在这种环境中,土豆易发芽难贮藏。注意以下几个环节,可以减少损失。1.采收前采前一周应停止浇水,促进成熟,防止果实含水量过高。另外,还可使用药剂抑制土豆发芽,具体做法是:在采前3周用0.2%～0.25%的青鲜素(MA)喷施植株(注意,这种土豆不可作种)。2.采收选择晴天土壤干燥时收获,并在田间稍行晾晒,将表皮泥土轻轻擦掉,以防弄破种皮。运输途中避免碰撞造成损伤,运回家后要预冷,去除田间热。3.贮藏收获后,土豆可在高温高湿条件下进行表皮愈合2～3天(若无条件可省略)。如在屋内贮藏,可在北墙内侧用砖砌成小窖,砖接触处留空隙以便通风。底部铺3～5厘米的干砂或秸 Summer harvest of potatoes, autumn harvest points. Summer harvest of potatoes after harvest, there are more than 3 months of high temperature and humidity environment, in this environment, potato is difficult to germinate storage. Pay attention to the following links, you can reduce the loss. 1. A week before the harvest, watering should be stopped to promote ripening and prevent excessive fruit moisture content. In addition, potatoes can also be used to suppress the sprout, by: 3 weeks before harvest with 0.2% ~ 0.25% of the green plants (MA) sprayed plants (Note that this potato can not be used as species). 2. Harvesting Harvest selection sunny dry soil harvest, drying in the field and a little trip, the soil gently rub off the skin to prevent the seed coat broken. Avoid collision during transport damage, shipped back to home after pre-cooling, remove the heat field. 3. After harvesting, the potatoes can heal the skin for 2 ~ 3 days under high temperature and high humidity condition (omit unconditionally). If stored in the house, the inside of the north wall can be made of small cellar brick, brick contact to leave gaps for ventilation. Bottom shop 3 ~ 5 cm of dry sand or straw