Fig. 2. Relationship between Bray P1–extractable soil P level (0–2 cm) and dissolved P, bioavailable P, and total P loads in runoff in a long-term chisel plow system at Madison, Wisconsin, 2001.
Fig. 2. Relationship between Bray P1–extractable soil P level (0–2 cm) and dissolved P, bioavailable P, and total P loads in runoff in a long-term chisel plow system at Madison, Wisconsin, 2001.