product name：npk general grades (sop)
product features：sulfur≥18%，nitrate nitrogen≥25% in total content of nitrogen, water soluble phosphate≥90%, equilibrated in n,p,k; with international common formula adopted that can normally cater for 1 to 2 kinds of nutrient required by the plants.
product specifications：15-15-15、16-16-16、17-17-17
crops：field crop, vegetables, fruit tree, other commercial crop
product features：sulfur≥18%，nitrate nitrogen≥25% in total content of nitrogen, water soluble phosphate≥90%, equilibrated in n,p,k; with international common formula adopted that can normally cater for 1 to 2 kinds of nutrient required by the plants.
product specifications：15-15-15、16-16-16、17-17-17
crops：field crop, vegetables, fruit tree, other commercial crop