Why Do Logged Tropical Rain Forest Soils Typically Have Nutrient-Poor Soils?

(Correct Answer Below)

Why Do Logged Tropical Rain Forest Soils Typically Have Nutrient-Poor Soils?

1. Logging results in soil temperatures that are lethal to nitrogen-fixing bacteria. 2. Nutrients evaporate easily into the atmosphere in the post-logged forest. 3. The cation exchange capacity of the soil is reversed as a result of logging. 4. Most of the nutrients in the ecosystem are removed in the harvested timber. 5. Tropical bedrock contains little phosphorous.
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Most of the nutrients in the ecosystem are removed in the harvested timber.

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