Fig. 4. The DPS-1 (double acid–extractable P/oxalate-extractable Fe and Al) values within a soil profile (A, E, Bh, and Bw horizons) of intensive and holding area (highly impacted by manure) soils for active and abandoned dairies.
Fig. 4. The DPS-1 (double acid–extractable P/oxalate-extractable Fe and Al) values within a soil profile (A, E, Bh, and Bw horizons) of intensive and holding area (highly impacted by manure) soils for active and abandoned dairies.