论文部分内容阅读
无纺布育苗不进行通风炼苗,因此,在育苗时应考虑方便苗期管理,以减少作业程序。必须抓住以下几个关键技术。一、增盖地膜,提高前期保温保湿效果无纺布上有无数小孔,保温保湿效果远不及农膜,特别是播种初期,夜间膜内和膜外温度相差很小。在没有地膜覆盖情况下,种子发芽
Non-woven nursery does not conduct ventilation refining, therefore, should be considered in nursery seedling management to reduce operating procedures. Must grasp the following key technologies. First, the cover plastic film to improve pre-heat moisturizing effect There are numerous non-woven small holes, moisturizing effect is far less than the plastic sheeting, especially the early planting, the film at night and outside the membrane temperature difference is small. Seeds germinate without mulching