脱毒薯苗扦插以后,就逐渐进入田间管理阶段,而七、八月份正是甘薯块根生长膨大的季节,也是加强田管措施的关键时期。因此必须抓好以下四个环节的田间管理: 一、全面检查,适时补苗。在插后10天左右,全面对扦插苗进行检查,发现缺株、弱苗,应及时补缺补漏,确保全苗。 After the virus-free potato seedlings cuttage, they gradually entered the field management stage, and July and August is the sweet potato tuberous growth season, but also to strengthen the field control measures of the critical period. Therefore, we must grasp the following four aspects of field management: First, a comprehensive inspection, timely Miaofei. About 10 days after the insertion, a comprehensive inspection of cutting seedlings, found that lack of strains, weak seedlings, fill the gaps in time to ensure full seedlings.