我县从1975年开始,进行了马铃薯小整薯做种多点试验,1976年进行示范,肯定了小整薯做种的增产效果。1977年全县范围内进行推广,79年,全县推广面积达5.3万亩,占总播种面积15万亩的35.3%;全县推广小整薯一项增产马铃薯达1590万斤。一、小整薯作种的好处1.抗旱保苗。一般切籽在干旱时,种子入土后,会使种子失水过多,不能出苗,而小整薯有完整的薯皮,可以保持水分,有利于出苗。例如,冯家屯公社的芽坪大队79年 County since 1975, a small potato whole potato for multi-point test, 1976 for demonstration, affirmed the small whole potato as a kind of yield-increasing effect. In 1977 the county to promote, 79 years, the county promotion area of ​​53000 acres, accounting for 35.3% of the total sown area of ​​150000 acres; the county to promote a small potato an increase of 15900000 kilograms of potato. First, the benefits of small whole potatoes for planting seedlings. General cut seed in drought, the seeds into the soil, the seeds will cause excessive dehydration, can not be sprouted, while the whole whole body of sweet potato tuber, can maintain moisture, is conducive to emergence. For example, Feng Ping Tuen brigade commune 79 years