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Major Land Resource Areas : ウィキペディア英語版 | Major Land Resource Areas In United States conservation policy, Major Land Resource Areas (MLRA) are geographically associated land resource units delineated by the Natural Resources Conservation Service and characterized by a particular pattern that combines soils, water, climate, vegetation, land use, and type of farming. There are 204 MLRAs in the United States, ranging in size from less than to more than . == References ==
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抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Major Land Resource Areas」の詳細全文を読む
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