1. Assessing Different Sources of Phosphorus Fertilizer on Nitrate Leaching in the Fall Period and Its Effect on the Following Corn

Illinois nutrient loss reduction strategy is questing to reduce nitrate and phosphorus (P) loss by 25 and 15% by 2025. Fall applied ammonium-based P fertilizers could result in both nitrate and phosphate loss during the fallow period. Two ways to minimize these losses are by utilizing urease and nitrification inhibitors and also assessing other sources of P including triple superphosphate (TSP) and dissolved air flotation (DAF) that separates solids from liquid manure. A four-times replicated... S. Koduru, M. Javid, R. Keshavarz afshar, A. Margenot, A. Sadeghpour