Agronomic and water quality evaluation of the phosphorus draw-down approach in tile drained soils.

Zhang, T.Q., Tan, C.S., and Welacky, T.W. (2013). "Agronomic and water quality evaluation of the phosphorus draw-down approach in tile drained soils.", SERA-17 Annual Meeting, Tampa, Florida, USA, November 6-8, 2013, Invited speech.