Potato Program

Improve potato quality with Midwestern BioAg’s HumaCal® and Bio-Cal®. These potato crop fertilizer and soil amendment 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...