Agricultural Production Animal Manure Management

Storage Topics

Observations of Manure Management on a South Dakota Dairy

As a part of the North American Manure Expo events, participants were invited to tour a family-operated dairy farm located in Hamlin County, SD to witness first-hand some of the improvements that have been added to their manure management system over the past few years. I was able to observe how, in trying economic times for the dairy industry, this family farm has modified their manure management system to get the most out of precious resources – water and nutrients.

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Managing Runoff Holding Ponds During Wet Weather

When designed properly, runoff holding ponds, lagoons, and other earthen manure storage structures are sized to contain manure, process wastewater, and storm water that drain into or fall on them throughout their designed storage period. Excess precipitation, particularly chronic wet weather, can lead to concerns about storages overflowing even when they have been managed correctly.

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Abandoned swine lagoons and earthen storage basins may contain valuable nutrients

When a swine lagoon is abandoned, the owner has the choice of decommissioning the lagoon or maintaining the integrity of the lagoon. Decommissioning means dewatering the lagoon and land applying the sludge at the bottom. One cannot just fill in the hole. The process of removing the water and the sludge is time consuming and takes resources and planning to complete properly. One aspect of the process does have some cost recovery and that is utilizing the sludge in a beneficial way.

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Lagoon Closure Demonstration

The closure of aged livestock lagoons and earthen manure storage basins needs to be conducted in a manner that controls potential environmental risk and makes economical use of accumulated nutrients in the biosolids. This event will offer a unique opportunity to hear about and see the step-by-step process for planning and conducting a lagoon closure.

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Storage and Handling

Manure storage structures are key to managing manure from animal feeding operations. The three most popular containments used in Nebraska are categorized into: manure storages, anaerobic treatment lagoons, and runoff retention structures.

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