Fertilizers that provide sulfur include potassium sulfate (18% S), potassium-magnesium sulfate (23% S),
magnesium sulfate (14% S), gypsum (16.8% S), ammonium sulfate (23.7% S) and elemental sulfur (90% S).
Under most soil and climatic conditions, 15 to 25 lb of sulfur per acre should be adequate. For crops that have
a high nitrogen requirement (corn, small grains, tobacco and cotton) and are grown on sandy soils, sulfur can
be applied at planting or along with post-plant nitrogen applications.