EXAMINE THIS REPORT ON NPK 15 15 15 VIETNAM ZONING

● In keeping with distinct soil,for example,fertilizer containing potassium sulfate isn't ideal for paddy discipline and acid soil,fertilizer containing ammonium ion is just not suited to alkali soil,and so on.encierro / Shutterstock To figure out if your soil is deficient in almost any nutrients, you could perform a soil test, which indicated yo