publication venue for
- Selenium fertilization of Guinea grass pastures in central Puerto Rico. 37:621-625. 2006
- Selenium fertilization of Star grass pastures in central Puerto Rico. 37:673-678. 2006
- Phosphorus soil tests for environmental assessment in tropical soils. 35:1485-1503. 2004
- Potential of trees, grasses and turf legumes for restoring eroded soils. 34:2149-2162. 2003