Phosphorus Modeling in Tile Drained Agricultural Systems Using APEX

Francesconi W^1*, Williams CO², Smith DR³, Williams JR⁴ and Jeong J⁴

¹International Center for Tropical Agriculture (CIAT), USA

²USDA-NRCS National Soil Survey Center, Lincoln, NE, USA

³USDA-ARS Grassland, Soil and Water Research Laboratory, USA

⁴Blackland Research an Extension Center, Texas A&M University System, Temple, TX, USA

^*Corresponding Author: Francesconi W, International Center for Tropical Agriculture, USA, Tel: +51955776871 Email: