本文介绍了腐植酸生物液体肥在保护地蔬菜作物上的应用效果,并以详实的数据与常用化肥(如尿素、硫酸钾、二铵)进行对比,说明施用腐植酸生物液体肥后,作物的产量、品质均有较大提高,特别是对改良土壤、提高土壤有机质含量、降低土壤盐分含量、增加土壤孔隙度效果显著。是生产绿色蔬菜必备肥料之一。 This paper introduces the effect of humic acid biological liquid fertilizer on vegetable crops in protected areas and compares it with common fertilizers such as urea, potassium sulfate and diammonium with detailed data to show that after applying humic acid biological liquid fertilizer, Yield and quality are greatly improved, especially for the improvement of soil, increase soil organic matter content, reduce soil salt content, increase soil porosity effect is remarkable. Is one of the necessary fertilizer for the production of green vegetables.