Availability of water for agricultural use is one of the major factors determining agricultural production in the Western United States and is becoming an important factor in areas of the Southwest. In addition, water use and conservation is an important concern of the 1977 Soil and Water...

Cropping diversity, measured by the Gini coefficient, showed neither the United States nor Canada dominated in diversity along their northern plains border during 1975–1999. While cropping was slightly more concentrated in Canada for about two-thirds of the period, dominant concentration...