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SL357: The Long-term Contribution of Phosphorus from Agricultural Lands to Lake Okeechobee

Figure 6. SPSC by horizon for a manure-impacted site on an Immokalee soil down to a depth of 120 cm. This dairy had been in operation for 11 years and abandoned for 18 years at the time of soil sampling. Total SPSC to 120 cm depth = -22,880 kg ha-1 (-20,385 lbs acre-1).