The nutrient status of vegetable fields and balance fertilization for vegetables in Shanxi Province

1086 soil samples were collected from 7333 hm2 vegetable fields in Shanxi province and the contents of organic matter, totalN, AvailN, OlsenP, AvailK, and micronutrient were analyzed, 120 vegetable field experiments were conducted in different areas with various soil fertilities and the pattern of balance fertilization for five vegetables was recommended