1、改翻蔓为手提蔓　过去不少农民习惯为红薯翻蔓 ,以免扎根 ,一般翻蔓 2～ 3次 ,茎蔓损伤量大 ,减产 2 0 %以下。改为手提蔓 ,可增产 10 %以上。方法是 :当田间浇水或雨后 ,用手将茎蔓提起 ,挪到另一个地方 ,这样既不会打乱原来的叶层 ,红薯茎蔓也不会再扎根。2、及时摘顶心　 1, turn over the vine for the hand-cranked past Many farmers used to sweet potatoes turn vine, so as not to root, generally turn vine 2 to 3 times, stem vine damage, cut 20% below. To mobile Man, can increase production of more than 10%. The method is: When the field after watering or rain, hand stalk lift, move to another place, so that will not disrupt the original leaf layer, sweet potato stems and vinegar will not take root. 2, timely top mind