Nitrogen Fixation in Forested Soils by Non-Leguminous Nitrogen-Fixing Plants and by Non-Symbiotic Soil Organisms. Final Report, October 1, 1977-September 30, 1982

摘要

Studies using mixtures of nitrogen-fixing plants mixed with loblolly pine showed no growth increase on a good site but a growth increase on a poor site. Soil nutrient studies showed that soils beneath alder, eleagnus, wax myrtle and red cedar had a higher nutrient concentration than soils not influenced by the crown. Monthly nutrient concentrations were quite variable. (ERA citation 07:051717)