Item : compound fertilizer Specificaiton : N :19 K:19 Specificaiton : NPK 20-20-20 ... flower stage,without evaporation loss,easily soluble in water,high fertilizer efficiency. Packing:woven bag lined with plastic bag, net weight ... ); ton bag (1000kg) 1, We are professional manufacturer of NPK fertilizer .could produce and design NPK fertilizeras per client's demands ...