With an operation that’s been called a “living laboratory,” Northfield, Minn., farmer David Legvold has embraced experimentation and shares some of the lessons learned working with local colleges and students on strip-till trials, with the goal of strengthening soil biology and creating an attractive environment for earthworms and other beneficial organisms.

With the increased cost of inputs and pressure to reduce nutrient loss, farmers are looking for ways to improve productivity. Precision ag technology will continue to be a key factor in making this equation work for many farmers.

From the University of Minnesota, here's how to cut back on nutrient application to increase your profitability while maintaining the integrity of your crops.