脱毒甘薯营养丰富,适应性广,高产、稳产,增产潜力大,是重要的粮饲兼用作物。随着农业产业化的发展和农村种植业结构的调整,大力发展脱毒甘薯是繁荣农村经济的一个有效途径。近年来,我们在淮北地区通过反复栽培示范,现已累计推广应用20万亩,增产1.6亿公斤,增收3200万元。其中,1999年全市脱毒甘薯种植面积10万亩,增加经济效益1600多万元。 Detoxification sweet potato nutrient-rich, wide adaptability, high yield, stable yield, yield potential, is an important food and feed crops. With the development of agricultural industrialization and the adjustment of the structure of rural planting industry, vigorously develop virus-free sweet potato is an effective way to prosper the rural economy. In recent years, we have repeatedly cultivated and demonstrated in Huaibei region. Now we have totally popularized and applied 200,000 mu of land, increasing the output by 160 million kilograms and increasing the income by 32 million yuan. Among them, in 1999 the city detoxified sweet potato planting area of ​​10 mu, an increase of more than 16 million yuan in economic benefits.