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Environment

New study: you can have the same amount of food with half the land cultivated

These scenarios would free approximately 576 million hectares, allowing cultivated land to restore its natural purpose.

April 19 2020
Gianluca RiccioGianluca Riccio
⚪ 2 minutes
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There has been a long debate on agriculture. On the one hand we need it to meet our nutritional needs. On the other hand, when there is too much cultivated land, it can take away the land needed by nature and animal life. And it certainly produces a high impact environmental tourism.

Same food, half land

Now, a new study in the journal Nature Sustainability it is revealing that we may be able to produce the same amount of food using half of the cultivated land. The study is conducted by the researcher Christian Folberth and his colleagues from the International Institute for Applied Systems Analysis in Austria.

Scientists reveal a scenario that brings crop yields from poorer countries to the level of those from richer countries. "Crops can be optimized in the use of space and fertilizers to reduce land waste and pollution by 50% for the same production, or double production without further damage to nature."

This scenario would free approximately 576 million hectares, allowing the land to restore its natural purpose. Among the "collateral" benefits, greenhouse gas emissions from fertilizers and irrigation water requirements will decrease dramatically. The authors emphasize the environmental aspect, because it would be immediately more evident than the food one.

The article continues after the related links

Consumption of water, that of the rich is a global threat

Irrigreen, smart irrigation that halves water consumption

A second scenario

The researchers also offer a second scenario. In this scenario, cultivated land is abandoned in areas with greater biodiversity. 20% of the cultivated area is uniformly used for the production of 16 crops, a sort of "minimum food set". This scenario, the researchers argue, "In any case, it would make it possible to reduce land needs by almost 40%".

Both scenarios are extremely promising and do not take into consideration new advanced technologies or consumption shifts towards other protein sources (such as plant-based meats).

A good starting point to bring agriculture to a more humane and respectful future for the planet.

Tags: Cultivationwaste


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