Content tagged "nitrate"

Field Technology & Water Quality Outreach

Animal Manure Management Updated: May 20, 2017

In 2015, Washington State Department of Agriculture (WSDA) partnered with local and state agencies to help identify potential sources of fecal coliform...

Preliminary Technical Evaluation of Three Reports by U.S. Environmental Protection Agency Region 10 on Nitrate in Water Wells, Yakima River Basin, Yakima County, Washington

Animal Manure Management Updated: June 22, 2015

The Yakima Valley is a large agricultural area where there are multiple potential sources of nitrate in groundwater.  Potential sources are intermingled,...

Fate of Manure Nitrogen Applied for Grass Silage Production

Animal Manure Management Updated: May 15, 2015

Previous research conducted in western Washington State has demonstrated that when manure N is applied at rates greater than needed for grass uptake, excess...

Soil Nitrate Testing Protocol Development for Lands Receiving Injected Manure

Animal Manure Management Updated: May 15, 2015

Injection of liquid manure provides a number of benefits to the environment and cropping systems. Manure placement under the soil surface conserves nitrogen...

Swine Manure & Aqua-ammonia Nitrogen Application Timing on Subsurface Drainage Water

Animal Manure Management Updated: March 26, 2014

Waste to Worth home | More proceedings....In Iowa and many other Midwestern states, excess water is removed artificially through subsurface drainage...

How can I prevent leaching of nitrate into groundwater from manure applications?

Beef Cattle Dairy Horses Animal Manure Management Updated: January 19, 2008

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.