Sustainable Management of Salt-tolerant Eucalypt Hybrids

  • 119 pages

  • Published: 22 Jul 2008

  • Author(s): Dale, Glenn, Silberstein, Richard, Dawes, Warrick, Morris, Jim, Collopy, John

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This JVAP report confirms that the dynamics of salt in the rootzone of trees over shallow, saline watertables governed by a complex interaction of factors, principally soil hydraulic properties, groundwater depth and salinity, sensitivity of plantation species to salt, soil nutrient status, and plantation management. While some combinations of conditions may lead to salt accumulation in the rootzone, others can maintain salt load and its distribution in the profile in equilibrium, allowing long term sustainable timber production. In certain situations, management interventions can promote salt redistribution back down the profile below the active rootzone.