农用肥料类型、品种很多,其质量真假、好坏、优劣最终要通过取样检测予以判定。但在购买前也可进行初步识别,以免上当受骗。肥料质量识别的一般方法主要是:一看、二听、三闻、四摸、五观察。一看:首先看包装与标识,其正面应一般印有产品商标、生产许可证号、产品标准号、农用肥料登记号,有效养分含量标识,有生产企业名称、地址和肥料生产日期。包装袋的背面有的还有使用说明等。其次看肥料颜 Types of agricultural fertilizers, many varieties, the quality of true and false, good or bad, merits and demerits to be ultimately determined by sampling and testing. However, before the purchase can also be a preliminary identification, so as not to be deceived. The general method of fertilizer quality identification is mainly: a look, the second listen, three smell, four touch, five observations. A look: First look at the packaging and labeling, the front should be generally printed product trademarks, production license number, product standards, agricultural fertilizer registration number, effective nutrient content identification, production company name, address and fertilizer production date. Some bags on the back there are instructions and so on. Followed by fertilizer color