西瓜幼苗展叶至抽蔓阶段,因管理不善或受低温阴雨等异常天气的影响,常产生瓜叶不发,新蔓不抽生的僵苗现象,影响早发高产。对西瓜僵苗可采取以下转化措施: 1、清沟 开挖“三沟”,降低地下水位,并清淤排水,消除渍害,使根系恢复生长。 2、松土 选晴天,在 Watermelon seedling leaves to pumping pumping stage, due to poor management or affected by abnormal weather, such as low temperature and rainy season, often produce melon leaves are not made, new vine non-pumping phenomenon of stiff seedlings, affecting early high yield. Watermelon stiff seedlings can take the following conversion measures: 1, ditch ditch excavation “ditches” to reduce the water table, and dredging drainage, elimination of soil damage, so that the root recovery growth. 2, loose soil election sunny, in