The 4R Nutrient Stewardship Certification Program recently reached its four-year anniversary! The program educates and certifies nutrient service providers on the 4R principles of applying the right source of nutrients at the right rate, right time and right place. 45 facilities servicing approximately 2.8 million acres in Ohio, Indiana and Michigan have been certified through the program. The success of the 4R program has gained the interest of several states to utilize for their own nutrient service providers. Read more here!