Kalyan Varma

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Nutrient-rich soil is confined to the top layer in rainforests. Most rainforest trees therefore have shallow roots. But, very large trees develop buttresses at the base of the trunks. In addition to providing support, buttresses and their extension also increase the surface area over which nutrients can be absorbed.
Nutrient-rich soil is confined to the top layer in rainforests. Most rainforest trees therefore have shallow roots. But, very large trees develop buttresses at the base of the trunks. In addition to providing support, buttresses and their extension also increase the surface area over which nutrients can be absorbed.


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