Free program will collect residual nitrogen data in key watersheds to help farmers optimize fertilizer application rates.
Iowa says farmers upstream from Des Moines can cut fertilizer costs and reduce nitrogen levels in drinking water supplies ...
As part of the new UB Urban Soil Co-Lab, this project investigates how Buffalo residents experience and respond to soil testing for heavy metals like lead, and how community-based science can build ...
Iowa Secretary of Agriculture Mike Naig and the Iowa Nutrient Research & Education Council (INREC) today announced a new, ...