Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions

Rainfed smallholder agriculture in semi-arid environments of sub-Saharan Africa faces many challenges. Productivity of the smallholder agricultural systems has been on the decline in recent years. Conservation agriculture practices have a potential of steering the smallholder agricultural systems of...

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Detalhes bibliográficos
Autores: Mupangwa, W., Dimes, J., Walker, S., Twomlow, S.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:México
Recursos:Centro Internacional de Mejoramiento de Maíz y Trigo
Repositorio:Repositorio Institucional de Publicaciones Multimedia del CIMMYT
OAI Identifier:oai:repository.cimmyt.org:10883/3420
Acesso em linha:http://hdl.handle.net/10883/3420
Access Level:acceso abierto
Palavra-chave:AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
Planting Basins
Semi-Arid
Variable Rainfall
NITROGEN
MODELLING
SEMIARID ZONES
RAINFALL PATTERNS
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spelling Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditionsMupangwa, W.Dimes, J.Walker, S.Twomlow, S.AGRICULTURAL SCIENCES AND BIOTECHNOLOGYPlanting BasinsSemi-AridVariable RainfallNITROGENMODELLINGSEMIARID ZONESRAINFALL PATTERNSRainfed smallholder agriculture in semi-arid environments of sub-Saharan Africa faces many challenges. Productivity of the smallholder agricultural systems has been on the decline in recent years. Conservation agriculture practices have a potential of steering the smallholder agricultural systems of sub-Saharan Africa to greater and more sustainable levels. This study was designed to calibrate the APSIM model so that it could be used as a tool for understanding the long term impact of conservation agriculture techniques (mulching, tine ripping and planting basins) on the productivity of smallholder systems under semi-arid conditions. The APSIM model predicted reasonably well the seasonal and mulching effects on maize production on sand and clay soils. Under these semi-arid conditions the use of 10 kg.N.ha?1 is preferable under both conventional and basin tillage systems. Planting basins offer a better chance of getting maize grain yield than the conventional system in southern Zimbabwe at N quantities ranging from 0 kg.ha?1 to 52 kg.ha?1. This modelling exercise suggested that smallholder farmers are still prone to complete crop failure in some years despite the use of available conservation agriculture systems.167-174Elsevierhttp://www.scirp.org/journal/PaperInformation.aspx?PaperID=68092014-03-05T17:57:35Z2014-03-05T17:57:35Z2011info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlePDFapplication/pdf2156-8553http://hdl.handle.net/10883/342010.4236/as.2011.2302332Agricultural Sciencesreponame:Repositorio Institucional de Publicaciones Multimedia del CIMMYTinstname:Centro Internacional de Mejoramiento de Maíz y Trigoinstacron:CIMMYTEnglishUSACIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact CIMMYT-Knowledge-Center@cgiar.org indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose.Open Accessinfo:eu-repo/semantics/openAccessoai:repository.cimmyt.org:10883/34202024-10-11T19:58:44Z
dc.title.none.fl_str_mv Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
title Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
spellingShingle Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
Mupangwa, W.
AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
Planting Basins
Semi-Arid
Variable Rainfall
NITROGEN
MODELLING
SEMIARID ZONES
RAINFALL PATTERNS
title_short Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
title_full Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
title_fullStr Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
title_full_unstemmed Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
title_sort Measuring and simulating maize (Zea mays L.) yield responses to reduced tillage and mulching under semi-arid conditions
dc.creator.none.fl_str_mv Mupangwa, W.
Dimes, J.
Walker, S.
Twomlow, S.
author Mupangwa, W.
author_facet Mupangwa, W.
Dimes, J.
Walker, S.
Twomlow, S.
author_role author
author2 Dimes, J.
Walker, S.
Twomlow, S.
author2_role author
author
author
dc.subject.none.fl_str_mv AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
Planting Basins
Semi-Arid
Variable Rainfall
NITROGEN
MODELLING
SEMIARID ZONES
RAINFALL PATTERNS
topic AGRICULTURAL SCIENCES AND BIOTECHNOLOGY
Planting Basins
Semi-Arid
Variable Rainfall
NITROGEN
MODELLING
SEMIARID ZONES
RAINFALL PATTERNS
description Rainfed smallholder agriculture in semi-arid environments of sub-Saharan Africa faces many challenges. Productivity of the smallholder agricultural systems has been on the decline in recent years. Conservation agriculture practices have a potential of steering the smallholder agricultural systems of sub-Saharan Africa to greater and more sustainable levels. This study was designed to calibrate the APSIM model so that it could be used as a tool for understanding the long term impact of conservation agriculture techniques (mulching, tine ripping and planting basins) on the productivity of smallholder systems under semi-arid conditions. The APSIM model predicted reasonably well the seasonal and mulching effects on maize production on sand and clay soils. Under these semi-arid conditions the use of 10 kg.N.ha?1 is preferable under both conventional and basin tillage systems. Planting basins offer a better chance of getting maize grain yield than the conventional system in southern Zimbabwe at N quantities ranging from 0 kg.ha?1 to 52 kg.ha?1. This modelling exercise suggested that smallholder farmers are still prone to complete crop failure in some years despite the use of available conservation agriculture systems.
publishDate 2011
dc.date.none.fl_str_mv 2011
2014-03-05T17:57:35Z
2014-03-05T17:57:35Z
dc.type.none.fl_str_mv info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv 2156-8553
http://hdl.handle.net/10883/3420
10.4236/as.2011.23023
identifier_str_mv 2156-8553
10.4236/as.2011.23023
url http://hdl.handle.net/10883/3420
dc.language.none.fl_str_mv English
language_invalid_str_mv English
dc.rights.none.fl_str_mv Open Access
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Open Access
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv PDF
application/pdf
dc.coverage.none.fl_str_mv USA
dc.publisher.none.fl_str_mv Elsevier
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=6809
publisher.none.fl_str_mv Elsevier
http://www.scirp.org/journal/PaperInformation.aspx?PaperID=6809
dc.source.none.fl_str_mv 3
2
Agricultural Sciences
reponame:Repositorio Institucional de Publicaciones Multimedia del CIMMYT
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instname_str Centro Internacional de Mejoramiento de Maíz y Trigo
instacron_str CIMMYT
institution CIMMYT
reponame_str Repositorio Institucional de Publicaciones Multimedia del CIMMYT
collection Repositorio Institucional de Publicaciones Multimedia del CIMMYT
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