涂层18-10-18 复合肥31-0-5 复合肥28-6-6（玉米 复合肥27-12-11( 复合肥25-0-5 复合肥22-9-9 复合肥22-8-10 复合肥20-5-20 复合肥18-22-5 复合肥18-20-8 复合肥18-20-5 复合肥18-5-23 复合肥15-25-10 复合肥15-15-15 复合肥15-15-5 复合肥15-10-20 复合肥13-10-22( 复合肥27-12-12 掺混31-10-10 掺混30-14-10 掺混30-10-10（4 掺混28-15-12 掺混20-25-5 掺混20-17-11 掺混19-21-5(50 掺混19-21-5(40 涂层28-12-14 涂层28-12-8 涂层28-10-12 涂层28-10-10（4