Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka

Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed....
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Daléus, E. [verfasserIn] Palm, O. Sandell, K. Jayawardena, S. N. Siripala, G. D.

Format:	Artikel
Sprache:	Englisch

Erschienen:	1988

Schlagwörter:	Rice Field Yield Variation Scarce Water Rice Yield Water Allocation

Anmerkung:	© Kluwer Academic Publishers 1988

Übergeordnetes Werk:	Enthalten in: GeoJournal - Kluwer Academic Publishers, 1977, 17(1988), 3 vom: Okt., Seite 401-412
Übergeordnetes Werk:	volume:17 ; year:1988 ; number:3 ; month:10 ; pages:401-412

Links:	Volltext

DOI / URN:	10.1007/BF00181051

Katalog-ID:	OLC2113655640

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650		4	\|a Rice Field
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matchkey_str	article:03432521:1988----::aaeetnevrnetlosrittrcyedihnvlaeriainy
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allfields	10.1007/BF00181051 doi (DE-627)OLC2113655640 (DE-He213)BF00181051-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn BIODIV DE-30 fid Daléus, E. verfasserin aut Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1988 Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. Rice Field Yield Variation Scarce Water Rice Yield Water Allocation Palm, O. aut Sandell, K. aut Jayawardena, S. N. aut Siripala, G. D. aut Enthalten in GeoJournal Kluwer Academic Publishers, 1977 17(1988), 3 vom: Okt., Seite 401-412 (DE-627)13044555X (DE-600)715360-0 (DE-576)015981851 0343-2521 nnns volume:17 year:1988 number:3 month:10 pages:401-412 https://doi.org/10.1007/BF00181051 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_70 GBV_ILN_72 GBV_ILN_130 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2315 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4029 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4126 GBV_ILN_4306 GBV_ILN_4324 GBV_ILN_4325 AR 17 1988 3 10 401-412
spelling	10.1007/BF00181051 doi (DE-627)OLC2113655640 (DE-He213)BF00181051-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn BIODIV DE-30 fid Daléus, E. verfasserin aut Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1988 Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. Rice Field Yield Variation Scarce Water Rice Yield Water Allocation Palm, O. aut Sandell, K. aut Jayawardena, S. N. aut Siripala, G. D. aut Enthalten in GeoJournal Kluwer Academic Publishers, 1977 17(1988), 3 vom: Okt., Seite 401-412 (DE-627)13044555X (DE-600)715360-0 (DE-576)015981851 0343-2521 nnns volume:17 year:1988 number:3 month:10 pages:401-412 https://doi.org/10.1007/BF00181051 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_70 GBV_ILN_72 GBV_ILN_130 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2315 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4029 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4126 GBV_ILN_4306 GBV_ILN_4324 GBV_ILN_4325 AR 17 1988 3 10 401-412
allfields_unstemmed	10.1007/BF00181051 doi (DE-627)OLC2113655640 (DE-He213)BF00181051-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn BIODIV DE-30 fid Daléus, E. verfasserin aut Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1988 Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. Rice Field Yield Variation Scarce Water Rice Yield Water Allocation Palm, O. aut Sandell, K. aut Jayawardena, S. N. aut Siripala, G. D. aut Enthalten in GeoJournal Kluwer Academic Publishers, 1977 17(1988), 3 vom: Okt., Seite 401-412 (DE-627)13044555X (DE-600)715360-0 (DE-576)015981851 0343-2521 nnns volume:17 year:1988 number:3 month:10 pages:401-412 https://doi.org/10.1007/BF00181051 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_70 GBV_ILN_72 GBV_ILN_130 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2315 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4029 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4126 GBV_ILN_4306 GBV_ILN_4324 GBV_ILN_4325 AR 17 1988 3 10 401-412
allfieldsGer	10.1007/BF00181051 doi (DE-627)OLC2113655640 (DE-He213)BF00181051-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn BIODIV DE-30 fid Daléus, E. verfasserin aut Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1988 Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. Rice Field Yield Variation Scarce Water Rice Yield Water Allocation Palm, O. aut Sandell, K. aut Jayawardena, S. N. aut Siripala, G. D. aut Enthalten in GeoJournal Kluwer Academic Publishers, 1977 17(1988), 3 vom: Okt., Seite 401-412 (DE-627)13044555X (DE-600)715360-0 (DE-576)015981851 0343-2521 nnns volume:17 year:1988 number:3 month:10 pages:401-412 https://doi.org/10.1007/BF00181051 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_70 GBV_ILN_72 GBV_ILN_130 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2315 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4029 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4126 GBV_ILN_4306 GBV_ILN_4324 GBV_ILN_4325 AR 17 1988 3 10 401-412
allfieldsSound	10.1007/BF00181051 doi (DE-627)OLC2113655640 (DE-He213)BF00181051-p DE-627 ger DE-627 rakwb eng 550 VZ 14 ssgn BIODIV DE-30 fid Daléus, E. verfasserin aut Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka 1988 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Kluwer Academic Publishers 1988 Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. Rice Field Yield Variation Scarce Water Rice Yield Water Allocation Palm, O. aut Sandell, K. aut Jayawardena, S. N. aut Siripala, G. D. aut Enthalten in GeoJournal Kluwer Academic Publishers, 1977 17(1988), 3 vom: Okt., Seite 401-412 (DE-627)13044555X (DE-600)715360-0 (DE-576)015981851 0343-2521 nnns volume:17 year:1988 number:3 month:10 pages:401-412 https://doi.org/10.1007/BF00181051 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC FID-BIODIV SSG-OLC-GEO SSG-OPC-GGO GBV_ILN_11 GBV_ILN_22 GBV_ILN_31 GBV_ILN_40 GBV_ILN_70 GBV_ILN_72 GBV_ILN_130 GBV_ILN_267 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2315 GBV_ILN_4012 GBV_ILN_4028 GBV_ILN_4029 GBV_ILN_4046 GBV_ILN_4082 GBV_ILN_4103 GBV_ILN_4126 GBV_ILN_4306 GBV_ILN_4324 GBV_ILN_4325 AR 17 1988 3 10 401-412
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source	Enthalten in GeoJournal 17(1988), 3 vom: Okt., Seite 401-412 volume:17 year:1988 number:3 month:10 pages:401-412
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author	Daléus, E.
spellingShingle	Daléus, E. ddc 550 ssgn 14 fid BIODIV misc Rice Field misc Yield Variation misc Scarce Water misc Rice Yield misc Water Allocation Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka
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topic_title	550 VZ 14 ssgn BIODIV DE-30 fid Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka Rice Field Yield Variation Scarce Water Rice Yield Water Allocation
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title_full	Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka
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title_sort	management and environmental constraints to rice yield within a village irrigation system — a case study from sri lanka
title_auth	Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka
abstract	Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. © Kluwer Academic Publishers 1988
abstractGer	Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. © Kluwer Academic Publishers 1988
abstract_unstemmed	Abstract Management and environmental constraints to rice yield in a paddy tract (lowland rice field) was studied within a village irrigation system in Sri Lanka. The relative importance of water coverage during the critical period and soil fertility variables on the yield variations were analysed. For the upper part of the paddy tract having adequate water supply, environmental and management factors seemed to explain the large variations in yield. For the middle and lower parts, with a shortage of water, water coverage was the only significant explanatory factor. For efficient use of a scarce water supply farmers allocated water first to the upper part, which resulted in water deficiency further down. An alternative strategy for water allocation, where the lower more fertile part of the paddy tract is favoured, would not avoid the risk of water scarcity for the individual farmer but there would be a potential for increase in the total production. © Kluwer Academic Publishers 1988
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title_short	Management and environmental constraints to rice yield within a village irrigation system — A case study from Sri Lanka
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