Crop Specifics

Sulf-N fertilizers satisfy the growing need for sulfur created by clean air regulations and feed crops a more efficient form of nitrogen. Click on the links below for crop specific research data and agronomic insights from university, extension and industry.

Alfalfa

As sulfur deficiencies spread to new areas, alfalfa is often the first crop to exhibit symptoms. Application of ammonium sulfate can increase yield in both light and heavy soil types.

Canola

Applying nitrogen without sulfur can reduce canola yield by up to 75%.

Corn

Early planting, reduced tillage and continuous cropping increase the potential for yield increases from preplant or starter applications of ammonium sulfate.

Cotton

Cotton may grow out of sulfur deficiency symptoms, but yield loss will still occur if S is not applied by flowering.

Forage Grasses

Ammonium sulfate is an excellent alternative to ammonium nitrate and has performed as well or better in university testing.

Potatoes

N loss from leaching can take a big bite out of potato yields. Ammonium sulfate resists leaching and increased yield in university testing.

Rice

Ammonium sulfate fertilizer is up to five times less volatile than urea and increased rice yields by up to 30 bu/A in university testing.

Vegetables

Ammonium is the preferred N form for vegetable production, providing readily available and easily digested nitrogen.

Wheat

Ammonium sulfate favors fall tillering, which encourages larger kernels and more kernels per head versus spring tillering.