TREE NUTRITION AND FAST-GROWING PLANTATIONS IN DEVELOPING COUNTRIES

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Abstract
Intensively managed plantations have been recommended for developing countries to substitute for unmanaged natural stands with their rapidly diminishing wood resources. Although plantations will play a significant role in supplying fuelwood for domestic consumption, caution must be exercised if the high productivity of these stands is to be maintained over several rotation. Theoretical nutrient balance sheets for potassium and nitrogen are developed for different harvest systems for two species on both high and low fertility soils. These show that on some soils contemplated for plantation establishment, high yields cannot be maintained without supplemental nutrient applications.