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A hardiness zone is a geographic area defined as having a certain average annual minimum temperature, a factor relevant to the survival of many plants. In some systems other statistics are included in the calculations. The original and most widely used system, developed by the United States Department of Agriculture (USDA) as a rough guide for ...
Agriculture in the United States. Agriculture is a major industry in the United States, which is a net exporter of food. [ 1] As of the 2017 census of agriculture, there were 2.04 million farms, covering an area of 900 million acres (1,400,000 sq mi), an average of 441 acres (178 hectares) per farm. [ 2]
The history of agriculture in the United States covers the period from the first English settlers to the present day. In Colonial America, agriculture was the primary livelihood for 90% of the population, and most towns were shipping points for the export of agricultural products. Most farms were geared toward subsistence production for family use.
USDA Plant Hardiness Zone Regional Map - North Central US. The climate is humid continental, displaying both the cool summer and warm summer subtypes as one travels from north to south. [24] The United States Department of Agriculture has the region falling mainly in zone 5a, with the northern fringe being 4b. A few patches in Wisconsin are 4a.
Do you want to know how the United States is divided into different regions? Check out this comprehensive list of regions of the United States on Wikipedia, where you can find the definitions, classifications, and maps of each region. You can also learn more about the history, culture, and geography of each state, such as Kansas, by clicking on the links in the list.
Corn Belt, midwestern and southern states where corn is the primary crop. Cotton Belt, southern states where cotton is or was a primary crop. Fruit Belt, an area where fruit growing is prominent, specially oranges at the state of Florida and grapes at California. Indiana Gas Belt, a region of Indiana that was the site of a natural gas boom in ...
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The physiographic regions of the contiguous United States comprise 8 divisions, 25 provinces, and 85 sections. [1] The system dates to Nevin Fenneman 's report Physiographic Divisions of the United States, published in 1916. [2] [3] The map was updated and republished by the Association of American Geographers in 1928. [4]