Question

In many tropical rainforests, people clear land by cutting down trees and burning them. After a few years, the soil runs out of nutrients and cannot be farmed any longer. How does this practice of "slash and burn agriculture" affect Earth's atmosphere?

Answer 1

The practice of Slash and burn agriculture which has seen an increase in many tropical reagions has an adverse effect on the atmosphere due to the following reasons. Fristly the trees that a felled in order to burn and Secondly the emissions released by the bujring process.

To begin, in order to perform the slash and burn method of farming; one must ether slash as the existing crops that are on the land or bring in new material to burn. In many cases in tropical reagions, deforestation is often utilized inorder to not only increase farm land but to continue the practice of Slash and Burn.

Secondly, when the wood and dried grass are burnt, the burning release CO2 emissions, these emissions are released into the atmosphere. This gas is in part responsible for the Greenhouse effect.  

To conculde the user of Slash and Burn along with deforestation adversely affects the earth's atmosphere.

Answer 2

Slash and burn Agriculture is a frequently utilised method of food production in which forests or wildland are cleared and any residual flora is burned. The ash layer that forms offers a nutritionally layer to help fertilise crops on newly cleared soil.

This process only makes soil fruitful for a few years until the nutrients are depleted. Farmers must forsake the degraded property and relocate to a new plot, which will need cutting more forest.

Slash-and-burn Agriculture has been practised for thousands of years throughout Central America and Mexico. However, with more people than ever attempting to survive in the face of diminishing natural resources, the impact is particularly damaging and unsustainable today. Deforestation, a natural consequence of clearing forests for cropland; loss of habitat and species; increased air pollution and carbon emission into the environment contributes to global climate change; and growth in accidental fires are just a few of the issues that occur as a result of this technique of growing crops.

Slash and burn agriculture also causes substantial land degradation, floods, poor water quality, and/or dust clouds, as dirt washes away after heavy rains and blows away during dryness without trees and vegetation and their lateral roots.

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