Emission of Volatile Organic Compounds from Land-Applied Beef Cattle Manure as Affected by Application Method, Diet, and Soil Water Condition
نویسندگان
چکیده
Highlights The largest contributors to odor activity values (OAV) were heptanoic acid (23.5%), hexanoic (17.6%), indole (14.7%), and dimethyl disulfide (DMDS) (9.50%). Measurements of volatile organic compounds (VOC) greater from plots where manure was surface-applied than with incorporated manure. Emissions DMDS trisulfide (DMTS) (0.318 0.074 µg m -2 min -1 , respectively) for beef cattle fed a diet containing 30% wet distillers grains solubles (WDGS). Rainfall immediately after application influenced the types amounts VOC that emitted. Abstract . Land may result in emission (VOC). This study conducted evaluate effects diet, land method, soil water condition, time since on emissions. Manure collected feedlot pens diets 0%, 10%, or method (surface-applied incorporated) condition (saturated wet) emissions measured over 48 h period. Heptanoic, hexanoic, isobutyric, isovaleric acids contributed 23.5%, 17.6%, 9.26%, 3.39% (0.034, 0.258, 0.030, 0.014 m-2 min-1), respectively, total (OAV). aromatics skatole 14.7% 8.84%, (0.005 0.0004 OAV. Dimethyl 9.50% (0.013 min-1) 5.68% (0.030 sulfur (DMDS DMTS) substantially WDGS diet. With exception acid, flux measurements incorporated. each first day following when saturated present. found rapidly decrease application. Effective best management practices reducing are incorporate soon delay there is high probability rainfall. Keywords: Air contaminants, quality, Environmental management, application, Odor control, emission, evaluation, Volatile compounds, fatty acids.
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ژورنال
عنوان ژورنال: Journal of the ASABE
سال: 2022
ISSN: ['2769-3287', '2769-3295']
DOI: https://doi.org/10.13031/ja.14587