Agricultural npk complex fertilizers 16-8-18 Different npk formulas, tailor-made fully water soluble granular High quality Agricultural npk complex fertilizers 16-8-18We are the only supplier for the full-line products of fertilizer in China, we can provide you the high quality fertilizer with the competitive price.NPK Compound FertilizerFormula NPK30-0-5Specification: Inspection ItemIndex ...