Enhancing the present quality and subsequent long-term sustainability of soybean-producing soils in the Mississippi River Delta region will be at the forefront of issues facing the soybean and other commodity industries in the near future as tighter environmental rules and regulations are enacted in an effort to improve water and air quality and further foster soil and water conservation. This project will simultaneously evaluate the effects of alternative wheat-residue management practices [i.e., wheat residue level (high and low, achieved with differential N fertilization), residue burning (burning and non-burning), and tillage (conventional and no-tillage)] and water management (irrigated...