限制温室蔬菜生长的土壤障碍因子是：养分失衡、盐渍化、连作等。
The obstacles of soil environmental to vegetables growth in greenhouse were the soil nutrient out of balance, the soil salinization and culture without rotation etc.
测土配方施肥中，还应注意：土壤障碍因子、某种元素临界法与供应强度，肥料利用率等问题。
The soil obstacle factor, the critical values of some nutrients and the supply intensity, as well as fertilizer efficiency should be paid more attention in formula fertilization by soil testing.
大棚土壤障碍因子是国内外共同存在的问题，已严重影响蔬菜等作物产量、品质并引起环境污染。
The soil obstacle factors in plastic greenhouse were the common problems in the world, having seriously affected the output and quality of vegetables and caused the environment pollution as well.
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