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Browse by Author: Karl Shaffer
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Hose Drag Systems for Land Application of Liquid Manure and Wastewater

By: Garry Grabow, Karl Shaffer, Sanjay Shah

This publication describes hose drag systems and their operation as used to apply animal waste and wastewater in North Carolina.

Certification Training for Operators of Animal Waste Systems - Type B

By: Karl Shaffer, Beth Buffington, David Crouse, Eileen Coite, Tiffanee Conrad, Stefani Garbacik, Amanda Hatcher, Eve Honeycutt, Diana Rashash, Margaret Ross, Becky Spearman, Randy Wood, Kim Woods

This training program is designed to provide operators of animal waste management systems with the basic understanding needed to operate and maintain these systems in an efficient and environmentally sound manner. This manual is not intended to provide all of the technical details for the complete design of a waste management system or an approved animal waste management plan.

Hose-Drag Wastewater Equipment

By: Garry Grabow, Karl Shaffer, Sanjay Shah Field Calibration Procedures for Animal Wastewater Irrigation Equipment

Hose-drag-type equipment has gained popularity in recent years for land application of wastewater in North Carolina. It offers several advantages over traditional irrigation systems including odor reduction, nitrogen conservation, and a relatively high flow rate that cuts the application time. This publication explains calibration procedures for the “low-profile-type” discharge system and a “boom-type” system.