一、加强苗床管理,大力推广快速育苗法,确保生产更多的薯苗。大抓苗床管理,出齐苗和已剪苗的根据需要大施冰肥,用人尿一斤兌水二斤或硫酸铵一两兑水十斤浇泼。在春秧较多的情况下,可与春薯扦插同时插一部分苗圃,行距一尺,株距三寸,每亩两万株,并加强 First, to strengthen the management of seedbed, vigorously promote rapid nursery law to ensure that more production of potato seedlings. Grab the seedbed management, out of Qi Miao and cut the seedlings according to the needs of the large ice-fat, uggs for sale, one kilogram of urine per pound of human urine or ammonium sulfate pouring ten pounds of pouring. In the case of more spring seedlings, cuttings can be inserted with the spring part of the nursery at the same time, one foot spacing, spacing three inches, 20,000 acres per acre, and to strengthen