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目前,市场化肥品种很多,如尿素、碳铵、硝铵、氯化铵、磷酸二铵、过磷酸钙、复合肥、专用肥等。近年来,随着改革开放的不断深入,农资市场经营混乱,各种假冒伪劣肥料充斥市场,一些不法商贩乘虚而入,以次充好,严重损害了农民的利益。 为使农民朋友买到货真、价实、优质的化肥,现介绍几种常用化肥的简易识别方法。 1.尿素 白色球状小颗粒,一般造粒较均匀,没有氨臭味;用石灰揉搓,会有氨臭味;放入水中易溶解;放在烧红的木炭上,颗粒慢慢熔化,有白烟发出,并有氨臭味,不发火燃烧。
At present, many varieties of fertilizers on the market, such as urea, ammonium bicarbonate, ammonium nitrate, ammonium chloride, diammonium phosphate, superphosphate, fertilizer, special fertilizer. In recent years, with the continuous deepening of reform and opening up, the agricultural market has run chaos and various fake and shoddy fertilizers have flooded the market. Some unscrupulous traders take advantage of shoddy shoddy goods and have seriously damaged the interests of peasants. To make farmers friends to buy goods really, real price, high-quality fertilizers, are introduced several commonly used simple identification of fertilizers. 1. Urea white spherical particles, the general granulation more uniform, no ammonia odor; rubbed with lime, there will be ammonia smell; into the water easily soluble; on the red charcoal, the particles slowly melting, white Smoke is emitted, and there is ammonia smell, do not burn.