fertilizer NPK 30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO,15 ... the most important are:30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO, 27 ... 4, 5-5-5, 24-6-10, 20-10-10, 13-8-27, 14-18-18 - 6S - 1B203, 14-23 ... able to increase its sales volume of N12-8-16,P NK PK fertilizers considerably over the years, and in ... 32, chemical fertilizer NPK 30-9-9+1.5MgO+TE, 13-13-21, 11-22-16, 12-12-17+2MgO,15- ...