Jose L. Zerpa Zerpa, J. L., Allen, H. L., Campbell, R. G., Phelan, J., & Duzan, H. (2010). Influence of variable organic matter retention on nutrient availability in a 10-year-old loblolly pine plantation. FOREST ECOLOGY AND MANAGEMENT, 259(8), 1480–1489. https://doi.org/10.1016/j.foreco.2010.01.024