Water News Archive

Cover Crops

Crops including grasses, legumes or forbs used for seasonal cover and other conservation purposes.

SARE Publications 2007, Managing Cover Crops Profitably, 3rd Edition. Beltsville, MD: Sustainable Agriculture Network, 244 pgs. $19 for book; PDF version available.

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Variety Selection & Tests

EC197, Using Winter Wheat Yield Data to Improve Variety Selection PDF only (224 KB; 8 pages) This extension circular describes a method for comparing and selecting various wheat varieties.

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Phenology

Simulating Crop Phenology by Gregory S. McMaster, from The Regional Institute, 4th International Crop  Science Congress, 2004.

Simulating Crop Phenological Responses to Water by Gregory McMaster, John White, A. Weiss, P. Baenziger, Wallace Willhelm, J. Porter, P, Jamieson; USDA Agricultural Research Service; Jan. 2008.

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Other Systems

Some areas in Nebraska are not appropriate for a conventional septic tank/drainfield system or a residential lagoon. We consider these environmentally vulnerable areas.

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Troubleshooting

Problems sometimes occur. Lagoon depth may fall below 2-foot minimum due to leak in artificial liner, clogged inlet pipe, low flow rate into lagoon, holes in dike from plant roots or burrowing animals, not enough clay in natural soil liner or not compacted.

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Operation & Maintenance

Now that you know how a lagoon works, here is what you need to do to operate and maintain your system for maximum efficiency and long life. Minimize your exposure to wastewater - it contains disease-causing bacteria and viruses. Wear waterproof gloves, wash hands or shower, and disinfect breaks in skin after exposure to wastewater.

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Design & Size Requirements

Lagoon size is determined by the number of bedrooms, as well as the annual evaporation and precipitation rates for the geographic region. The lagoon size is NOT based on the square footage of the house, or the number of people living in the house because occupancy can change.

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What happens in the lagoon?

Evaporation reduces the liquid volume of wastewater, returning water vapor to the environment. Solids settle to bottom and form sludge. There is an aerobic zone at the top of the wastewater layer where air movement introduces oxygen and aerobic microorganisms convert waste to carbon dioxide, ammonia, and phosphates.

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How Does a Lagoon Work?

A traditional lagoon system is a two part system. A traditional system has plumbing from the house and a lagoon.

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Troubleshooting Septic Systems

Problems sometimes occur. Some of the problems that occur include: sluggish drainage, contaminated drinking water, wastewater surfacing in the yard, odors, and pipes freezing.

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