越夏番茄育苗处在5～7月的高温季节,而高温、干旱以及蚜虫的为害,又是病毒病及其他病害发生的重要条件。现就容易出现的问题及解决办法介绍如下。1.土壤板结有两方面原因,一是床土土质不好;另一方面是底水不足,腐殖质含量少,结构不疏松,很易发生板结现象。因此,在配制床土时,要 Summer tomato nursery in the May to July the hot season, but the heat, drought and aphids damage, but also the virus disease and other diseases occur important conditions. Now on the problems and solutions prone to introduce as follows. 1. There are two reasons for soil compaction, one is soil bed soil is not good; the other is the lack of bottom water, humus content less, the structure is not loose, it is prone to the phenomenon of plate knot. Therefore, in the preparation of bed soil, it is necessary