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- aggregation classification "A1".
- aggregation creator B255574.
- aggregation creator person.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2012".
- aggregation format "application/pdf".
- aggregation hasFormat 2153167.bibtex.
- aggregation hasFormat 2153167.csv.
- aggregation hasFormat 2153167.dc.
- aggregation hasFormat 2153167.didl.
- aggregation hasFormat 2153167.doc.
- aggregation hasFormat 2153167.json.
- aggregation hasFormat 2153167.mets.
- aggregation hasFormat 2153167.mods.
- aggregation hasFormat 2153167.rdf.
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- aggregation hasFormat 2153167.txt.
- aggregation hasFormat 2153167.xls.
- aggregation hasFormat 2153167.yaml.
- aggregation isPartOf urn:issn:0010-3624.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Earth and Environmental Sciences".
- aggregation title "Nitrogen mineralization of two manures as influenced by contrasting application methods under laboratory conditions".
- aggregation abstract "The decomposition and the associated nitrogen (N) dynamics of organic N sources are affected by their contact with soil. While several authors have examined the effect of surface application or incorporation of crop residues on their decomposition rate, less information is available about the relationship between the placement of animal manure and their N mineralization rate. This study investigated the influence of chicken manure and cattle manure placement on soil N mineralization. The manures were incorporated or surface applied at 175 mg N kg(-1), and N release was periodically determined over 56 days by measuring inorganic N [nitrate (NO3-) N and ammonium (NH4+) N] in a 2 M potassium chloride (KCl) extract at a ratio of 1: 0 (w/v). Results indicated that the control soil released a maximum of 64 mg N kg(-1) soil at day 21, a sixfold increase over the initial concentration, which indicates its substantial mineralization potential. Manure treatments showed an initial increase in net NO3--N content at the start of the experiments (until day 7) before an extended period of immobilization, which ended at day 21 of the incubation. A small but positive net N mineralization of all manures was observed from 28 days of incubation. At each sampling time, the mean mineral N released from the control was significantly less (P < 0.01) than surface-applied chicken manure, incorporated chicken manure, and surface-applied cattle manure. Treatments exceptions were at days 21 and 28 where N immobilization was at its peak. In contrast, incorporation of cattle manure showed a different N-release pattern, whereby the mineral N amount was only significantly greater than the control soil at days 42 and 56 with 84 and 108 mg N kg(-1) soil respectively. Incorporation of chicken manure and cattle manure did not favor nitrification as much as surface application and cattle manure caused a much greater immobilization when incorporated than when surface applied.".
- aggregation authorList BK529763.
- aggregation endPage "367".
- aggregation issue "1-2".
- aggregation startPage "357".
- aggregation volume "43".
- aggregation aggregates 2153176.
- aggregation isDescribedBy 2153167.
- aggregation similarTo 00103624.2012.641473.
- aggregation similarTo LU-2153167.