Content of Medium and Trace Elements in Soil of Vegetable Bases and Fertilization Suggestions in Licheng

In 2017, the effective-state medium and trace elements in the soil of vegetable base in Licheng district were sampled and analyzed. The results showed that the contents of the medium and trace elements were exchangeable calcium 901.5 mg·kg^-1, exchangeable magnesium 93.8 mg·kg^-1, effective sulfur 39.13 mg·kg^-1, effective boron 0.60 mg·kg^-1, and effective zinc 8.94 mg·kg^-1. Among them, 100% soil samples were boron deficient and sulfur deficient, 68.4% soil samples were magnesium deficiency and 36.9% soil samples were calcium deficiency. And in this paper, some fertilizer recommendations were put forward according to the analysis results.