Click on image to view larger version.
Fig. 3. Relationship between Mehlich 3– or Bray 1–extractable soil P and runoff filterable reactive phosphorus (FRP) for all studies using soil boxes, and tilled, no-till, and grassed field plots where extraction coefficients are not significantly different. Data are from Andraski and Bundy (2003), Andraski et al. (2003), Cox and Hendricks (2000), Daverede et al. (2003), Kleinman and Sharpley (2003), Kleinman et al. (2002)(2004), McDowell and Sharpley (2001a), Pote et al. (1996)(1999a, 1999b), Schroeder et al. (2004), Sharpley et al. (2001), Torbert et al. (2002), Turner et al. (2004), and Weld et al. (2001).
