Mixing-vessel composting system at a large swine finishing farm

Abstract

Reviewed by Joseph Heywood Harrison, Professor, Nutrient Management Specialist, Washington State University, andLide Chen, Associate Professor, Nutrient Management Specialist, University of Idaho."On-farm manure treatment can be challenging for many animal feeding operations, especially for those who have limited nearby fields for manure land application. To date, very few large-scale animal farms utilize composting as a long-term treatment for liquid manure. Composting is a biological process in which microorganisms convert organic materials into soillike material, which can effectively convert animal manure into value-added products. Compost has been well-documented and proven to be an excellent soil conditioner, which could add organic matter, improve soil structure, reduce fertilizer requirements, and reduce soil erosion potential."--First page.Written by Zonggang Li (Post Doctoral fellow, Agricultural Systems Technology), Gilbert J. Miito (Post Doctoral fellow, Agricultural Systems Technology), Teng Teeh Lim (Extension Professor, Agricultural Systems Technology). Reviewed by Joseph Heywood Harrison, Professor, Nutrient Management Specialist, Washington State University, andLide Chen, Associate Professor, Nutrient Management Specialist, University of Idaho.Includes bibliographical reference

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