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Plains occur as lowlands along valleys or at the base of mountains, as coastal plains, and as plateaus or uplands. Plains are one of the major landforms on earth, being present on all continents and covering more than one-third of the world's land area. Plains in many areas are important for agriculture.
The southeastern portion of the Great Plains is the most tornado active area in the world and is ... and agricultural development in the Great Plains; ...
Maize agriculture began on the Great Plains about 900 AD. Evidence of agriculture is found in all Central Plains complexes. Tribes periodically switched from emphasis on farming to hunting throughout their history during the Plains Village period (950-1850 AD), probably based on climatic fluctuations and the periodic abundance of bison. [2] /
The American West is experiencing its driest period in human history, a megadrought that threatens health, agriculture and entire ways of life. DRIED UP is examining the dire effects of the ...
Settlement of "America's breadbasket" led to ecological destruction. Widespread agriculture led to the near-complete extermination of the American bison in the late 1800s and the reduction of the tallgrass prairie to less than 1% of its former extent. [2] The plains are now largely agricultural, with large ranches and farms.
The Sindh Plains forms the western part of the plains and encompasses the Sindh region of Pakistan to the west of the Thar desert with the Punjab Plains in the north and the Indus River Delta in the south. [32] The region receives about 13 in (330 mm) of rain annually, mostly from June to September. [33] The economy is largely based on agriculture.
Although China's agricultural output is the largest in the world, only about 15% of its total land area can be cultivated. About 75% of the cultivated area is used for food crops. Rice is China's most important crop, raised on about 25% of the cultivated area.
Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. [1] Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created food surpluses that enabled people to live in the cities. While humans started gathering grains at least ...