Question

What changes have been brought about in agriculture in the Amazon​

Answer 1

Answer:

Agricultural use of some rainforest land proves to be a failure because of the nutrient-deficient, acidic soils of these forests.

Burning releases nutrients locked up in vegetation and produces a layer of nutrient-rich material above the otherwise poor soil.

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Answer 2

Explanation:

Despite deforestation, the Amazon basin rainforest is the largest tropical forest in the world. In Brazil, the largest Amazon country, approximately 3.5 million square kilometers, or 350 million hectares remain. 110 million hectares are designated indigenous reserves and 25 million hectares as sustainable development reserve and extractive reserves for rubber; all of this forest area is considered as a form of community forest. Additionally, 70 million hectares are some form of national park or protected area. Only a small area is managed as designated forest concessions for timber; some logging occurs on private land while illegal logging is widespread on public and private lands. The majority of cleared land ends in cattle pasture; studies from Brazil’s INPE institute calculate this amount to equal 45 million hectares or 62% of the total cleared area. Permanent agriculture comprises a smaller percentage of the cleared land at 3.5 million hectares; much of the recent soy land (25 million hectares in all of Brazil) is located outside of the Amazon basin.