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dc.contributor.authorChakwizira, E.en
dc.contributor.authorMoot, Derrick J.en
dc.contributor.authorScott, Warwick R.en
dc.contributor.authorFletcher, A.en
dc.date.accessioned2012-05-21T04:54:15Z
dc.date.issued2009en
dc.identifier.citationChakwizira, E., Moot, D. J., Scott, W. R. & Fletcher, A. (2009). Effect of rate and method of phosphorus application on the growth and development of 'Pasja' crops. Proceedings of the New Zealand Grassland Association, 71, 101-106.en
dc.identifier.urihttps://hdl.handle.net/10182/4476
dc.description.abstract‘Pasja’ (Brassica campestris x napus) was grown at Lincoln in 2008, with banded or broadcast phosphorus (P) fertiliser applied at 0, 20, 40 or 60 kg/ha at establishment on a Templeton silt loam soil of moderate fertility (Olsen P of 9-17 mg/ kg range for individual plots). Total dry matter (DM) production, leaf to stem ratios and leaf area development were measured over time and related to the biophysical environment. Final DM yield increased with P rate from 3,730 kg DM/ha for the control to ~5,000 kg DM/ha at 60 kg P/ha. The leaf to stem ratio declined from between 22 and 31 at 17 days after emergence to 10.3 at the final harvest. Leaf area index (LAI) for the control crops was lower than for those that received P fertiliser, but there were no differences among the P fertilised crops. Total accumulated intercepted solar radiation (RIcum) was 8% greater when P was applied compared with the control. This difference was the main contributor to differences in total dry matter yield and was independent of the application method. Keywords: Brassicaen
dc.description.sponsorshipPastoral 21’ program and New Zealand Institute for Plant & Food Limited.en
dc.format.extent101-106en
dc.language.isoenen
dc.publisherNew Zealand Grassland Association.en
dc.relationThe original publication is available from - New Zealand Grassland Association.en
dc.rightsCopyright © The Authors and New Zealand Grassland Association.en
dc.sourceProceedings of the New Zealand Grassland Associationen
dc.subjectleaf to stem ratioen
dc.subjectsolar radiationen
dc.subjectBrassica campestrisen
dc.subjectcritical leaf area indexen
dc.subjectDM accumulationen
dc.subjectleaf area indexen
dc.subjectfertiliseren
dc.titleEffect of rate and method of phosphorus application on the growth and development of 'Pasja' cropsen
dc.typeConference Contribution - Published
lu.contributor.unitLincoln Universityen
lu.contributor.unitFaculty of Agriculture and Life Sciencesen
lu.contributor.unitDepartment of Agricultural Sciencesen
lu.contributor.uniten
lu.contributor.uniten
pubs.finish-date2009-11-05en
pubs.notesPaper presented at the 71st New Zealand Grassland Association Conference, 3-5 November 2009, Waitangi.en
pubs.organisational-group/LU
pubs.organisational-group/LU/Agriculture and Life Sciences
pubs.organisational-group/LU/Agriculture and Life Sciences/AGSC
pubs.organisational-group/LU/Research Management Office
pubs.organisational-group/LU/Research Management Office/2018 PBRF Staff group
pubs.publication-statusPublisheden
pubs.start-date2009-11-03en
pubs.volume71en
lu.subtypeConference Paperen


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