Potato Program

Improve potato quality with Midwestern BioAg’s HumaCal® and Bio-Cal®. These products provide soluble calcium to improve plant health and can help increase nutrient uptake by plants, particularly nitrogen and phosphorus. Studies have shown that when Midwestern BioAg’s HumaCal® is applied to potatoes, growers can experience a 50% increase in calcium levels in the outer periderm layer on tubers and an 8.5% decrease in defective tuber rates. HumaCal® also contains humates, which can help improve holding capacity in sandy soils.

We recommend applying Bio-Cal® pre-plant and using HumaCal® as a base fertilizer, blending in other nutrients to meet your soil and crop needs. When blended with other fertilizers, HumaCal® can increase overall nutrient availability and help prevent leaching out of the root zone.


Highly Soluble Calcium for Optimum Crop Performance Bio-Cal® is an exclusive, proprietary blend of multiple calcium...