一.前言马铃薯是一种富于营养价值的高产作物,湖南一般每亩能产一千斤至二,三千斤,也有产六,七千斤的。从经济价值上看,一亩马铃薯等于400斤稻榖,或2、3亩小麦。同时用途很广,既可作粮食、饲料,又可供工业及医药之用。其次,马铃薯生长期短,春马铃薯在立春前後播种,小满前後收获,秋马铃薯在处暑前後播种,立冬、小雪间收获,一般不过七八十天。在湖 I. Preface The potato is a high-yielding crop with rich nutritional value. Generally, Hunan can produce one kilogram to two or three kilos per acre and six or seven kilos. From an economic point of view, a mu of potato is equal to 400 kg of rice straw, or 2,3 acres of wheat. At the same time a wide range of uses, both for food, feed, but also for industrial and medical use. Second, the potato has a short growth period. The spring potato is planted around the beginning of spring and is harvested before and after Xiaoman. The autumn potato is planted around the summer and winter. In the lake