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复县瓦房店化工厂生产的腐植酸氮磷钾复合颗粒肥,是一种新型的复合肥,它不仅含农作物生长发育所必需的氮、磷、钾元素,而且含有能改良土壤、增加肥效,刺激作物生长的腐植酸类物质。该肥料含氮11％、磷11％,钾3.0％、腐植酸2～4％,产品为灰黑色颗粒。 腐植酸氮磷钾复合颗粒肥于1983年通过技术鉴定。近几年来,根据辽宁省农牧业厅、辽宁省农科院的统一试验方案,在全省不同土壤对各种作
Fu County Wafangdian chemical plant production of humic acid nitrogen phosphorus and potassium composite fertilizer, is a new type of compound fertilizer, which not only contains the necessary crop growth and development of nitrogen, phosphorus and potassium elements, but also can improve the soil and increase fertilizer Humic acids to stimulate crop growth. The fertilizer contains 11% of nitrogen, 11% of phosphorus, 3.0% of potassium and 2% to 4% of humic acid. The product is gray-black granules. Humic acid NPK composite granule fertilizer in 1983 passed the technical appraisal. In recent years, according to the Liaoning Provincial Department of Agriculture and Animal Husbandry, Liaoning Provincial Academy of Agricultural Sciences, a unified experimental program in different provinces of the province for a variety of