河北省三河县三新实验厂引进国内先进技术,研制生产出一种多元复合肥料——“农家乐”。它含有氮、磷、钾及铁、锰、锌、硼等十几种微量元素,喷洒于农作物叶面,不仅容易被吸收利用,而且有防治病虫害、促进早熟、提高产量及品质的作用。经国家教委科技司鉴定,增产率达12-50%。“农家乐”不仅有固体和液体两种形态,而且 Sanhe County, Hebei Province, three new experimental plant the introduction of advanced technology, research and development to produce a multi-compound fertilizer - “farm music.” It contains nitrogen, phosphorus and potassium and a dozen of trace elements such as iron, manganese, zinc and boron. It is sprayed on the foliage of crops and is not only easily absorbed and utilized, but also has the functions of preventing and curing pests and diseases, promoting precociousness, increasing yield and quality. Technology Commission by the State Education Commission identified increased production rate of 12-50%. “Farmhouse” is not only solid and liquid two forms, but also