氮磷复合肥 16-20-0 N + P Compound Fertilizer (16-20-0) 产品规格说明 TOTAL NUTRIENTS (N+P2O5): 36%MIN TOTAL NITROGEN (AS N): 16%MIN TOTAL PHOSPHATE (AS P2O5): 20%MIN MOISTURE: 2%MAX SIZE (1-4MM): 90%MIN Contact: fert@bestwinco.com 具体等级、规格及供货条件以双方确认的文件和合同为准。