马铃薯是一种高产的经济作物 ,我国多数省、区都有栽培。由于其生长温度低、生育期短 ,在长江流域是能与单季中稻接茬的早春或晚秋作物。随着农业生产结构的调整 ,双季稻减少而单季稻面积逐年增加 ,为种植经济作物提供了一定的发展空间。特别是种植马铃薯投资少 ,产量高 ,薯块 Potato is a high-yielding cash crop, and most of our provinces and districts have cultivated them. Due to its low growth temperature and short growth period, it is an early spring or late autumn crop that can catch stubble with single season middle rice in the Yangtze River valley. With the adjustment of agricultural production structure, the double cropping rice is reduced and the area of ​​single cropping rice is increasing year by year, which provides a certain space for economic crops. In particular, potato planting less investment, high yield, tubers