蔬菜幼苗分苗后死苗的主要原因有五:一是分苗床土温过低,幼苗分到苗床后迟迟不能扎根而造成死苗;二是苗床床土拌入未腐熟有机肥或拌肥不均匀,引起烧根死苗;三是分苗时一次起苗过多,一时分不上,使幼苗失水过多,分后不易恢复而死苗;四是幼苗在分苗前发育不好,根系少;五是分苗过晚,造成伤根,吸收能力衰弱而死苗。 Vegetable seedlings after seedlings dead seedlings are the main reasons for five: First, the sub-bed soil temperature is too low, the seedlings into the seedbed after the delay can not take root and cause dead seedlings; Second bed seedbed mixed with not maturing organic fertilizer or mixed fertilizer Uneven, causing burned dead seedlings; Third, when the seedling seedling too much time, a moment is not on, so that seedlings dehydrated too much, not easy to recover after the dead seedlings; Fourth seedlings in the seedlings before the development is not good , Less root system; five sub-seedlings too late, resulting in wounds, weakness and death Miao absorption capacity.