蔬菜施用氟素化肥时,如果使用方法不当,将会对蔬菜造成污染。下面介绍几种减轻氮素化肥对蔬菜污染的施肥方法:1 深施盖土。氮肥深施盖土可减少与空气阳光直接接触,防止挥发和污染蔬菜。一般蔬菜深施在12～15cm处即可。根系发达的茄果类、根菜类应打窝深施在15cm及以下的根层。实行氮肥深施, Fluoride vegetable fertilizers, if used improperly, it will cause pollution to vegetables. Here are several ways to reduce the nitrogen fertilizer fertilizers on vegetable pollution methods: 1 deep soil cover. Deep application of nitrogen fertilizers can reduce the direct contact with the sun and air to prevent evaporation and pollution of vegetables. General application of vegetables deep in 12 ~ 15cm Department can. Root system developed solanaceae, root vegetables should be playing deep penetration of the root layer of 15cm and below. Implementation of deep nitrogen fertilizer,