2001
DOI: 10.1017/s0021859601001186
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Emissions of ammonia, nitrous oxide and methane from different types of dairy manure during storage as affected by dietary protein content

Abstract: In a storage experiment with dairy cow manure, the effects of dietary protein content and manure type on ammonia, nitrous oxide and methane volatilization as well as overall nitrogen (N) loss from manure were investigated. Early-lactating cows received rations with 175, 150 and 125 g crude protein\kg dry matter. Each ration was tested in four manure storage systems reflecting typical farm conditions. These either contained total excreta with high amounts of straw (deep litter manure) or no straw (slurry) or, p… Show more

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Cited by 143 publications
(137 citation statements)
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“…The C : N ratios found in fresh slurry in this study were rather low compared with other studies (e.g. Kü lling et al, 2001 and2002;Hindrichsen et al, 2006) due to notably high slurry-N contents. However, similar C : N ratios were found in the study of Kü lling et al (2003).…”
Section: --contrasting
confidence: 92%
“…The C : N ratios found in fresh slurry in this study were rather low compared with other studies (e.g. Kü lling et al, 2001 and2002;Hindrichsen et al, 2006) due to notably high slurry-N contents. However, similar C : N ratios were found in the study of Kü lling et al (2003).…”
Section: --contrasting
confidence: 92%
“…The shift in the excretion of N from urine to faeces as a result of feeding CT-rich legumes is still of practical relevance because the ratio of urinary N to faecal N determines the level of gaseous ammonia losses (Kü lling et al, 2001). The potential of CT to significantly decrease ammonia N emission from the animal's excreta was demonstrated by Ś liwiń ski et al (2004).…”
Section: Discussionmentioning
confidence: 99%
“…Urea and other metabolic byproducts are then extracted from the bloodstream by the kidneys before they are excreted via the urine (Hill et al 2008). Therefore, a large amount of the nitrogen in livestock manure slurry is derived from urinary urea (Canh et al 1997;Dai and Karring 2014;Kulling et al 2001). Urea is also produced industrially by the Bosch-Meiser urea process (Bosch and Meiser 1922), and both urine-derived (manure slurry) and synthetically produced urea are extensively used as fertilizers.…”
Section: Urine-derived Versus Synthetic Urea As Fertilizermentioning
confidence: 99%