Impacts of Appling Zinc with Different Methods on Zinc Content and Yield of Wheat

Zinc is an element and activator contained in varied enzymes in plants.Zinc-deficiency greatly affects the growth of crops and health of humanbeing.To apply zinc with different methods to zinc-deficit soils has been popularized,but the opinions vary greatly on which method is the best.In China there are many cultivated land being short of zinc,so it is highly important to study the methods and results of appling zinc to soil.Experiments of appling zinc by different methods to zinc insufficient soils were conducted.It was shown that the simple method of appling zinc to soil had the best results based on analysis of the contents of chlorophyll,nitrogen and zinc,biomass,contents of 17 kinds of amino acids as well as the output of wheat.And the cost of this simple method was also very low.