1971年西德《阿轧鲁考》(Аглусн)商行开始生产一种用作根外追肥的肥料,称为符克沙尔(Вуксал)。这种新肥料能促进植株根系的生长,也能提高根系从土壤中吸收营养物质的能力。符克沙尔是由许多成分组成的一种综合性液体肥料。在其含量中,氮、磷、钾三要素为9％、9％和7％,并以各种氨态氮、硝态氮和胺态氮,某些磷酸盐,硫酸钾和钾的其他化合 In 1971, the Аглусн firm in West Germany started producing a fertilizer for root dressing, called Вуксал. This new fertilizer can promote the growth of plant roots, but also improve the ability of roots to absorb nutrients from the soil. Fukushur is a comprehensive liquid fertilizer made up of many ingredients. In its content, nitrogen, phosphorus and potassium three elements of 9%, 9% and 7%, and a variety of ammonia nitrogen, nitrate nitrogen and amine nitrogen, some phosphate, potassium sulfate and potassium other compounds