棉花营养钵薄膜低拱覆盖育苗,能节省种子,培育整齐一致的壮苗。但在育苗过程中,必须注意“六防”,才能保全苗、壮苗。 一防空钵 如果棉种质量差,播种质量低及苗床管理不善,就会造成空钵缺苗。预防措施:播前除去烂、嫩子和虫伤子,选择晴天晒种2～3天。播种时坚持做到钵湿、种湿、土湿,为种子发芽创造一个良好的湿润环境。 Cotton nutrition bowls cover low-arching nursery, can save seeds, nurturing neat and tidy seedlings. However, in the process of nursery, we must pay attention to “six defense” in order to protect the seedlings, strong seedlings. An air defense bowl if poor cotton seed quality, low quality sowing and poor management of the seedbed will result in lack of empty pots. Preventive measures: Remove rotten before sowing, tender child and insect wounds, choose sunny sunburn 2 ~ 3 days. When planting to do bowl wet, kind of wet, soil wet, seed germination to create a good wet environment.