The volatilization of ammonia from cattle urine applied to soils as influenced by soil properties

Whitehead, David; Raistrick, N.

doi:10.1007/bf02185383

Cited by 84 publications

(45 citation statements)

References 23 publications

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“…Such a delay between NH 4 + addition and nitrification has been reported in other studies (LePham et al 1984;Morvan et al 1996;Dendooven et al 1998a) and could be attributed to NH 3 toxicity (Stojanovic and Alexander 1958), a rise in electrical conductivity and salt effect (Laura 1977;Malhi and McGill 1982) or simply to the period required for the growth of the nitrifier population necessary for enzyme expression (Malhi and McGill 1982;Grant 1994). Whitehead and Raistrick (1993) observed a negative correlation between the extent of NH 3 volatilization and soil nitrification activity. However, it is unlikely that nitrification competed with volatilization for available NH 4 + in this study because volatilization was already considerably reduced when NO 3 -started to accumulate in the soil (Fig.…”

Section: Soil Ph and Nitrogensupporting

confidence: 73%

Ammonia volatilization and soil nitrogen dynamics following fall application of pig slurry on canola crop residues

Rochette¹,

Chantigny²,

Angers³

et al. 2001

Can. J. Soil. Sci.

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. 2001. Ammonia volatilization and soil nitrogen dynamics following fall application of pig slurry on canola crop residue. Can. J. Soil Sci. 81: 515-523. Land application of liquid manures is a major source of atmospheric ammonia. The presence of crop residues on the soil surface usually increases emissions by retarding slurry infiltration, whereas incorporation of slurry into soil reduces emissions. Our objective was to quantify the relative reduction in NH 3 volatilization resulting from the soil incorporation of pig slurry (PS) applied on canola (Brassica napus) residues under fall conditions in Quebec, Canada. Pig slurry was applied at 7.4 L m -2 on six plots covered by canola crop residues. Slurry and residues were incorporated in the top 5 cm of soil (INCORP) in half of the plots, while the other half were left untouched (SURF). Ammonia volatilization was measured following application for 10 d using wind tunnels. Soil NH 4 + and NO 3 -contents, pH, moisture and temperature were also monitored to explain variations in NH 3 fluxes. Soil NH 4 + -N in the surface soil was lower than expected shortly after slurry application, maybe as a result of fixation by clays or interception by crop residues. The volatilization of NH 3 was higher (P < 0.05) on SURF plots than on INCORP plots in 20 of the 26 measuring periods, with total NH 3 losses being five times greater in the former. Cumulated emissions during the first 11 h accounted for the 60 and 53% of total NH 3 emissions for the SURF and INCORP plots, respectively. Our results confirm that a large fraction of the NH 3 volatilization from slurry application on canola residues can be greatly reduced if the slurry and crop residues are incorporated into the soil immediately after slurry application. Despite significant reduction (80%) of NH 3 volatilization in INCORP compared with SURF plots, no difference was found in soil mineral N between treatments, suggesting that other processes such as N mineralization or denitrification were more active in INCORP plots.

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Section: Soil Ph and Nitrogensupporting

confidence: 73%

Ammonia volatilization and soil nitrogen dynamics following fall application of pig slurry on canola crop residues

Rochette¹,

Chantigny²,

Angers³

et al. 2001

Can. J. Soil. Sci.

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“…Cation exchange capacity: Cation exchange sites in the soil holds the ammonium (NH4 + ) on the clay particles due to their negative charges (Robertson et al, 1999). This helps to reduce the ammonium concentration of soil solution, a soil has high CEC, there will be minimum chances of NH3 volatilization and vice versa (Whitehead and Raistrick, 1993). Soil salinity: With many other factors, high level of soil salinity is also an important factor involved in ammonia volatilization (Gandhi and Paliwal, 1976;McClung and Frankenberger.…”

Section: Factors Affecting Ammonia Volatilizationmentioning

confidence: 99%

Nitrogen Management in Calcareous Soils: Problems and Solutions

Maqsood¹,

Awan²,

Aziz³

et al. 2016

PAKJAS

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Nitrogen (N) is the most widely applied plant nutrient and is a key constituent of animal manures. Improvement in crop yields and high economic returns have been made possible through supplementation of crops with organic and inorganic fertilizers. The movement of N in the environment has been extensively studied and documented. The fate of N ranges from nitrification, denitrification, nitrous oxide formation, leaching of nitrate, and volatilization of ammonia. Even with this knowledge the variation in N movement within the soil, air and water varies greatly with changed edaphic factors. For instance the fate of N fertilizer under calcareous soil systems still has not been investigated widely. We reviewed the sporadic information available on N fate and management in calcareous soils especially in Pakistan. We discussed the sources and fate of N in calcareous soils of Pakistan and also the currently adopted and newly developed method to reduce the N losses.

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“…Due to the neutral pH, Mahi does not corrode the cellulosic Sancipat unlike the corrosion of cellulosic paper by acidic IGI. The phenolic acids of Mahi are also likely to be neutralized by ammonia formed from urea of cow urine 12 . M1 showed a partial inhibition against F. oxysporum (MTCC-0284) after incubation at 24C for 48 h and 72 h, where 1 mg/ml of the liquid Mahi sample was used, but did not show any inhibition against C. albicans (MTCC-0227) (see Supplementary Information, Figure S2 online).…”

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confidence: 99%

Mahi:A Unique Traditional Herbal Ink of Early Assam

Goswami

Das

et al. 2017

Current Science

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both the kaTapayAdi and ArybhaTa's systems. This protocol is reliable and free from any kind of defect. It will go a long way in helping researchers in the field of history of Indian mathematics and astronomy, who constantly deal with such decryption processes. The automated process would not only render correctly decoded numbers, but will also speed-up the research work. Mahi, a unique herbal ink prepared with cow urine as extractant, was used for manuscript writing in early Assam. The ink had a deep and fast colour and was persistent on Sancipat manuscripts due to its resistance to aerial oxidation and fungi. It was also noncorrosive unlike the corrosive acidic iron gall ink of contemporary Europe. The present study was aimed at analysing the physico-chemical properties of Mahi, including its special properties. The study includes phytochemical analysis, antimicrobial assay, UVvisible with fluorescence analysis, iron and copper estimation and identification of some polyphenols by HPLC-UV.

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The volatilization of ammonia from cattle urine applied to soils as influenced by soil properties

Cited by 84 publications

References 23 publications

Ammonia volatilization and soil nitrogen dynamics following fall application of pig slurry on canola crop residues

Ammonia volatilization and soil nitrogen dynamics following fall application of pig slurry on canola crop residues

Nitrogen Management in Calcareous Soils: Problems and Solutions

Mahi:A Unique Traditional Herbal Ink of Early Assam

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