四川是全国最大的甘薯生产省份，常年种植面积 1400万亩 (1亩 =1/15公顷，下同 )左右，占全省主要粮食作物面积的 13.0％，总产 320余万吨，占全省粮食作物总产的 10.0％左右，甘薯对满足四川省粮食的需求，家畜饲养业发展及轻化工原料供应等均有举足轻重的影响。现将甘薯高产 Sichuan is the largest province of sweet potato production in the country with a perennial planting area of ​​14 million mu (1 mu = 1/15 hectare, the same below) or so, accounting for 13.0% of the province’s major grain crops and a total output of more than 3.2 million tons, 10.0% of the total output of food crops, sweet potato to meet the needs of food in Sichuan Province, domestic animal husbandry and light chemical raw material supply have a decisive influence. Now sweet potato high yield