Biosolids Effects on Phosphorus Retention and Release in Some Sandy Florida Soils

• Published in: Journal of environmental quality Vol. 30; no. 3; pp. 1059 - 1063
• Main Authors: Lu, Peng, O'Connor, George A.
• Format: Journal Article
• Language: English
• Published: Madison American Society of Agronomy, Crop Science Society of America, Soil Science Society 01.05.2001; Crop Science Society of America; American Society of Agronomy
• Subjects: Absorption; Acid production; Agronomy. Soil science and plant productions; aluminum; Aluminum Oxide; Aluminum Oxide - chemistry; analysis; Applied sciences; Biological and medical sciences; Biological and physicochemical properties of pollutants. Interaction in the soil; Biosolids; chemistry; Earth sciences; Earth, ocean, space; Engineering and environment geology. Geothermics; Exact sciences and technology; Ferric Compounds; Ferric Compounds - chemistry; Florida; Fundamental and applied biological sciences. Psychology; General agronomy. Plant production; Hydrogen-Ion Concentration; iron; iron oxides; land application; Leaching; Ligands; measurement; Organic acids; Organic Chemicals; Organic phosphorus; Other nutrients. Amendments. Solid and liquid wastes. Sludges and slurries; Paspalum notatum; phosphorus; Phosphorus - chemistry; Pollution; Pollution, environment geology; Retention; Retention capacity; sandy soils; soil; soil amendments; Soil and sediments pollution; Soil and water pollution; Soil Pollutants; Soil Pollutants - analysis; soil pollution; Soil science; Soil-plant relationships. Soil fertility. Fertilization. Amendments; Soils; soluble phosphorus; sorption; sorption isotherms; waste utilization; Florida; United States; North America; America; Aluminium oxide; Iron oxide; Pollutant behavior; Adsorption capacity; Property of soil; Mobility; Phosphorus; Sandy soil; Sewage sludge; Amendment; Lixiviation; Nutrient; Soil interaction

ABSTRACT The soil solid phase components most responsible for P sorption in Florida soils are Fe and Al oxides. Thus, we hypothesized that land application of biosolids would significantly increase a soil's P retention by increasing its content of P‐sorbing solids, especially when biosolids wit...