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Nitrogen mineralization in soils receiving different rates of cattle-slurry and cropped with forage maize

2006Conference object Restricted access
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dc.contributor.authorPereira, J.
dc.contributor.authorTrindade, H.
dc.contributor.authorCoutinho, J.
dc.contributor.authorMoreira, N.
dc.date.accessioned2012-04-10T14:32:12Z
dc.date.available2012-04-10T14:32:12Z
dc.date.issued2006
dc.description.abstractThe quantification and the time-course of organic nitrogen release from slurry applied at sowing of maize grown for silage is of major importance to increase the efficient use of slurry-N and to reduce environmental impacts. The objective of this work was to quantify the net N mineralization measured in the 0-30 cm soil layer during the forage maize growth period, when cattle slurry was applied at sowing to supply 340 (T1), 190 (T2) and 0 (T3) kg total N ha -1 . The experiment was carried out during 1999 in the NW region of Portugal. Net mineralization rates were significantly different and reached high values, being a relevant source of N for the plants. During the forage maize crop net mineralization represented 401, 281 and 174 Kg N ha -1 respectively on treatments T1, T2 and T3, values that correspond to average net N mineralization rates of 1.3, 0.9 and 0.6 mg N kg -1 soil day -1 . The forage maize dry matter yields on these treatments reached 22, 19 and 13 t ha -1 , respectively for T1, T2 and T3.por
dc.identifier.citationPereira J., Trindade H., Coutinho J., Moreira N., 2006. Nitrogen mineralization in soils receiving different rates of cattle-slurry and cropped with forage maize. Grassland Science in Europe 11, 724-726.por
dc.identifier.urihttp://hdl.handle.net/10400.19/1057
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectCattle-slurrypor
dc.subjectmaize foragepor
dc.subjectN mineralizationpor
dc.titleNitrogen mineralization in soils receiving different rates of cattle-slurry and cropped with forage maizepor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceSpainpor
oaire.citation.titleGrassland Science in Europe 11por
rcaap.rightsrestrictedAccesspor
rcaap.typeconferenceObjectpor

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