复合肥 23-10-5+6S+1Zn NPK 23-10-5+6S+1Zn 产品规格说明 TOTAL NUTRIENTS (N+P2O5+K2O): 38%MIN TOTAL NITROGEN (AS N): 23%MIN TOTAL PHOSPHATE (AS P2O5): 10%MIN TOTAL POTASSIUM (AS K2O): 5%MIN SULFUR: 6%MIN ZnSO4: 1%MIN MOISTURE: 2%MAX SIZE (2-4.75MM): 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。