- Alfalfa Production on Acid Soils Affected by Phosphorus Availability and Soluble Aluminum Levels in the Subsoil (1996)
- Alfalfa Response.to Gypsum and Calcium Sulfite Sludge Applied to Acid Soils to Reduce Phytotoxicity of Subsoil Aluminum (2002)
- Response of Blueberry Plants to Peat, Phosphorus, and Aluminum Added to the Potting Mix (1993)