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How much arable land in the world?

Roughly 10% of the world's total land area is considered arable land suitable for agriculture. This amount varies among countries and regions due to factors like climate and soil quality. The challenge lies in sustaining and managing this limited resource for food production to feed a growing global population.


How much usable growing soil is on the Earth?

As large as the earth is, not much is available for farming. It is estimated that only about 1/32 of the earth is arable or able to be farmed efficiently. That is about 615,312.5 square miles.


How much of earth's surface can be used for growing food?

Roughly 11% of the Earth's surface is considered suitable for agriculture. This land includes arable land (7%) for crops, permanent crops (3%) for fruit orchards and vineyards, and pasture land (1%) for grazing livestock. However, factors such as soil quality, climate, and water availability also play a significant role in determining suitable agricultural land.


Why is it that some land may never be cultivated?

Some areas of the world are simply not arable given current technologies or resources. There are a number of requisite conditions for land to be arable, e.g. able to grow crops on. Additionally, those requirements can change based on the crop being grown. For example, rice needs much more water than potatoes or olives.The four main conditions that can prevent land from being arable are:The land is too dry -- This generally applies to both hot and cold deserts.The slope of the land or gradient is too high (even for terracing) -- This generally applies to mountains and canyons.The average temperature is too cold -- This generally applies to regions at latitudes greater than 50 degrees (60 degrees in Europe because of the Gulf Stream).The quality of the soil is too poor or surrounding plant-life crowds out crops -- This generally applies to tropical rainforests and areas with depleted soils.


Why can less than a third of the earth's land be farming?

Much of the Earth's land is unsuitable for farming due to factors such as soil quality, terrain, climate, and availability of water. Only about one-third of the Earth's land is considered arable land, which has the necessary conditions for successful farming and crop cultivation. The remaining land may be used for purposes like urban development, conservation, or is simply not conducive to agriculture.