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农用化肥真伪的识别已成为农民十分关心的问题,下面介绍有关识别的简便方法: 总的说来,选购化肥首先要从外包装上综合判断,一是看有无正规商标,二是看有
Identification of authenticity of agricultural fertilizers has become a peasant concern, the following is a simple way to identify: In general, the first choice of fertilizer from the packaging on the comprehensive judgments, one to see whether the regular trademark, the second is to look Have