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BOOK SUMMARY :

Abstract while climate change impacts on crop yields has been extensively studied estimating the impact of water shortages on irrigated crop yields is challenging because the water resources management system is complexagriculture is a major industry in the united states which is a net exporter of food as of the 2007 census of agriculture there were 22 million farms covering an area of 922 million acres 3730000 km 2 an average of 418 acres 169 hectares per farm although agricultural activity occurs in every state in the union it is particularly concentrated in the great plains a vast expanse irrigated agriculture in the united states note updates to this data product are discontinued this data product summarizes the farm structural characteristics for irrigated farms in each of the 50 states the 17 western states aggregated and the nation as a whole based on usdas 2013 farm and ranch irrigation survey frisirrigation water use includes water that is applied by an irrigation system to sustain plant growth in agricultural and horticultural practices irrigation also includes water that is used for pre irrigation frost protection chemical application weed control field preparation crop cooling pages in category irrigation in the united states the following 37 pages are in this category out of 37 total this list may not reflect recent changes

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