NEW STEP BY STEP MAP FOR NPK 15 15 15 VIETNAM ULTRA

● As outlined by different soil,for example,fertilizer made up of potassium sulfate will not be well suited for paddy subject and acid soil,fertilizer containing ammonium ion will not be well suited for alkali soil,and many others.A: thirty% T/T as deposit in advance, and 70% T/T or LC at sight right after email the duplicate of BL. We'l demonstr