腐植酸尿素通过田间试验,增产效果明显,能提高作物成品率和抗病性;同时通过对土壤和作物的化验表明,施用腐植酸尿素后,土壤和作物的重金属含量均未超过国家标准规定的要求,完全可以作为无公害农产品乃至绿色食品生产中所需的肥料。 Through field experiments, humic acid urea has obvious stimulation effect and can improve crop yield and disease resistance. At the same time, the soil and crop tests showed that the contents of heavy metals in soils and crops did not exceed the requirements of national standards Requirements, can be used as pollution-free agricultural products and green food production required fertilizer.