Enhancing Nutrient Retention in Tropical Tree Plantations : No Short Cuts

  title={Enhancing Nutrient Retention in Tropical Tree Plantations : No Short Cuts},
  author={S W Bigelow and John J. Ewel and Jeremy Haggar}
In the humid tropics large quantities of nutrients can be rapidly leached when the soil is unprotected by actively growing vegetation. We established experimental plantations of three indigenous tree species on a fertile Andisol in Costa Rica and managed them under 1or 4-year cutting cycles with uncut stands as controls. Our goals were to test whether nutrient leaching was greatest under a regime of frequent disturbances that returned modest amounts of biomass to the soil surface (cutting and… CONTINUE READING
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