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一生长前期的田间管理甘薯从扞插到封垄为生长前期。这一阶段植株的特点是根系和茎叶还不发达,抗逆性弱,田间管理重点是争取五早,即早补苗、早还苗、早分枝、早结薯、早封垄。1.早补苗:扞插后要随时检查,缺株应及时补足,不能拖延;补迟了,后补的植株就会受邻株的遮
A field of early growth of sweet potatoes from the control to plug the ridge for the growth of early. This stage plants are characterized by roots and stems and leaves are not developed, resistance is weak, the focus of field management is to fight for five early, that is, early seedlings, early seedlings, early branching, early tubers, early seal ridge. 1. Early Miao Miao: After defending the plug should be checked at any time, the missing strain should be promptly made up, can not be delayed; make up later, after the plant will be compensated by the neighboring plant cover