Use of wood-based materials in beef bedded manure packs: 1. Effect on ammonia, total reduced sulfide, and greenhouse gas concentrations

Mindy J. Spiehs, Tami M. Brown-Brandl, David B. Parker, Daniel N. Miller, Jeffrey P. Jaderborg, Alfredo DiCostanzo, Elaine D. Berry, James E. Wells

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

The objectives of this study were to determine the effect of using corn stover or three different wood-based bedding materials (kiln-dried pine wood chips, dry cedar chips, or green cedar chips) on airborne concentrations of NH3, total reduced sulfides (TRS), CO2, CH4, and N2O above lab-scaled bedded manure packs. Four bedded packs of each bedding material were maintained for two 42-d periods. Airborne NH3, TRS, CO2, CH4, and N2O were measured weekly. Bedded packs containing dry or green cedar had lower concentrations of NH3 (350.8 and 357.3 mg m-3, respectively; P < 0.05) than bedded packs containing pine chips or corn stover (466.0 and 516.7 mg m-3, respectively). Airborne CO2 was also lower from bedded packs containing dry and green cedar (1343.7 and 1232.3 mg m-3, respectively; P < 0.001) compared with bedded packs containing pine chips or corn stover (2000.2 and 1659.8 mg m-3, respectively). Air samples from bedded packs containing green cedar chips had a higher (P < 0.01) concentration of CH4 than bedded packs containing dry cedar chips, corn stover, or pine chips at Day 35 and 42. Initially, TRS concentration was similar among all bedding materials; at 28 to 42 d, TRS was higher (P < 0.001) from bedded packs containing the cedar products. Airborne N2O was similar (P = 0.51) for all bedding materials. Pine chips and cedar products can be adequate substitutes for corn stover in deep-bedded barns, but cedar bedding may need to be removed more frequently.

Original languageEnglish (US)
Pages (from-to)1187-1194
Number of pages8
JournalJournal of Environmental Quality
Volume43
Issue number4
DOIs
StatePublished - 2014

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