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- Allen, Brett L.; Mallarino, Antonio P.; Lore, John F.; Baker, James L.; Haq, Mazhar U.
- Agronomy journal 2012 v.76 no.2 pp. 710
- clay; phosphorus; soil fertility; soil water movement; sorption; subsoil; subsurface drainage; tile drainage; tiles; Iowa
- ... Little research has focused on lateral P transport through subsoil to subsurface tile drains. We investigated P lateral movement through 3.0 m of an Iowa subsoil (1.6 g kg–1 Olsen P [OP], 157 g kg–1 clay) between two 1.07-m deep fi eld trenches and a 1.0-m deep tile line. Well water was added to the trenches, and once the infl ow rate equaled tile water outfl ow, a solution containing 8.7 mg L–1 P ...