ANALYSIS ON SOIL TRACE ELEMENTS AND FERTILIZATION RELATED PRODUCTION INCREASE IN VEGETABLE EXPERIMENTAL PLOTS IN DALAD BANNER
达拉特旗蔬菜试验地土壤微量元素及培肥增产的分析

Analysis of soil trace elements in vegetable experimental plots in Dalad Banner revealed that contents of copper and zinc in soils of the area are lower than the threshold values, and that of boron, iron, and manganese are basically at normal level. Conclusions are drawn that rational application of copper and zinc fertilizers will result in even greater economic benefits in vegetable production.