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“大温差育苗”是适应塑料大棚生产而采取的一种特殊育苗方法。大棚内温差大。在定植初期,有时会遇到的0～2℃低温,也会遇到40℃的高温。因此,定植于大棚内的黄瓜秧苗,不仅要有耐寒力,而且要有忍耐高温的能力。“大温差育苗”就
“Large temperature difference seedling” is to adapt to the production of plastic shed to take a special nursery method. Large temperature difference between the greenhouse. In the early colonization, sometimes encountered 0 ~ 2 ℃ low temperature, will also encounter 40 ℃ high temperature. Therefore, cucumber seedlings planted in greenhouses should not only have cold resistance, but also have the ability to endure high temperatures. “Large temperature difference seedling” on