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Studies of genetic diversity have been performed on Coffea arabica varieties, which were found to be of low diversity but with retention of some residual heterozygosity from ancestral materials, and closely related diploid species Coffea canephora and C. liberica; [8] however, no direct evidence has ever been found indicating where in Africa coffee grew or who among the local people might have ...
Kaldi was a legendary [1] Ethiopian goatherd who is credited for discovering the coffee plant around 850 CE, according to popular legend, after which such crop entered the Islamic world and then the rest of the world.
Coffee production uses a large volume of water. On average it takes about 140 litres (37 US gal) of water to grow the coffee beans needed to produce one cup of coffee. Growing the plants needed to produce 1 kg (2.2 lb) of roasted coffee in Africa, South America or Asia requires 26,400 litres (7,000 US gal) of water. [86]
This one coffee plant is credited with the growth of more than 18 million offspring on the island over the next 50 years, beginning the crop's fruitful yet fraught Caribbean and Central American ...
According to legend, the coffee plant was discovered in Ethiopia by a goat herder named Kaldi around 850 AD, who observed increased physical activity in his goats after they consumed coffee beans. [10] The coffee plant was first found in the mountains of Yemen. Then by 1500, it was exported to the rest of the world through the port of Mokha, Yemen.
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The ocean plays a key role in the water cycle as it is the source of 86% of global evaporation. [2] The water cycle involves the exchange of energy, which leads to temperature changes. When water evaporates, it takes up energy from its surroundings and cools the environment. When it condenses, it releases energy and warms the environment.
The coffee plant originates in Kaffa Ethiopia. According to legend, the 9th-century goat herder Kaldi in the region of Kaffa discovered the coffee plant after noticing the energizing effect the plant had on his flock, but the story did not appear in writing until 1671. After originating in Ethiopia, coffee was consumed as a beverage in Yemen ...