Biomass and potential nutrient removal by harvesting in short-rotation plantations uri icon

abstract

  • Data on standing biomass, mean annual increment of carbon stock, and nutrientaccumulation in 40 industrial plantations at 21 sites in 11 countries are summarised.Aboveground biomass and mean annual increment of carbon near the harvest age, ofthese plantations ranged from 44 to 324 t ha-1 and from 3.1 to 22.9 tC ha-1 yr-1,respectively. Plantations managed on a short rotation are expected to accumulatecarbon rapidly. However, there are large variations of biomass accumulation dependingon site conditions. There is concern about the potential decrease of productivitycaused by nutrient loss by intensive and repeated harvesting. It is important todetermine the nutrients removed and conserve them as much as possible to preventproductivity loss and for sustainable management of industrial plantations. Carefulmanagement of the nutrient cycle through residue retention and fertiliser application isnecessary to maintain high productivity

publication date

  • 2004