Results 191 to 200 of about 2,316 (222)
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Sources, fate and influencing factors of nitrate in farmland drainage ditches of the irrigation area

Journal of Environmental Management
Global irrigation areas face the contradictory challenges of controlling nitrate inputs and ensuring food-safe production. To prevent and control nitrate pollution in irrigation areas, the study using the Yellow River basin (Ningxia section) of China as a case study, employed nitrogen and oxygen dual isotope tracing and extensive field investigations ...
Zhang, Tianpeng   +10 more
openaire   +2 more sources

Great Plains Legal Culture and Irrigation Development: The Minitare (Mutual) Irrigation Ditch Company, 1887–1896

Environmental History Review, 1995
Many scholars and students of the West refer to "Western water law" as if it were a monolithic entity predestined to triumph over all other possible alternatives.1 The common assumption used to be that once one gets past the 100th Meridian and into semiarid and arid climates, prior appropriation is the law of the land, that it was always so since white
openaire   +1 more source

Keeping Irrigation Ditches Clear

Scientific American, 1922
openaire   +1 more source

Fish Screens in Irrigating Ditches

Transactions of the American Fisheries Society, 1928
openaire   +1 more source

Improved Dam for Irrigating-Ditches

Scientific American, 1884
openaire   +1 more source

Water Measurement and Management Initiatives in the Pioneer Irrigation Ditch

World Environmental and Water Resource Congress 2006, 2006
Robert F. Einhellig   +3 more
openaire   +1 more source

Prehistoric Irrigation Ditch Built by Indians

Scientific American, 1916
openaire   +1 more source

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