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About Carbon, part-2: Difference between revisions
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If the soil is depleted and poor in humus, the carbon stored in the soil over millions of years will go back into the atmosphere. This process of desertification<ref> | If the soil is depleted and poor in humus, the carbon stored in the soil over millions of years will go back into the atmosphere. This process of desertification<ref>Depletion of agricultural land</ref> has been going on since humans initiated agriculture. An example of this is The Fertile Crescent in the Middle East, one of the areas where agriculture was invented and also known as the dawn on civilization. The name itself indicates a fertile ground where crops would grow in abundance. Today the Fertile Crescent is laid mostly bare and deserted due to poorly managed agricultural land. | ||
In the past 150 years, between 50 and 80 percent of organic carbon in the topsoil has gone airborne. This means that since around 1850, twice as much atmospheric carbon dioxide has derived from farming practices as from the burning of fossil fuels<ref>This leveled around 1970</ref>. The antidote to this rather menacing fact is ironically: agricultural practices. To be more exact: <i>regenerative agriculture</i>. | In the past 150 years, between 50 and 80 percent of organic carbon in the topsoil has gone airborne. This means that since around 1850, twice as much atmospheric carbon dioxide has derived from farming practices as from the burning of fossil fuels<ref>This leveled around 1970</ref>. The antidote to this rather menacing fact is ironically: agricultural practices. To be more exact: <i>regenerative agriculture</i>. | ||