Fertilizer P transformations and P availability in hillslope soils of northern Ghana
Alfisols of the Savannas in northern Ghana have high base saturation and moderate P sorption capacities. Lateritic nodules are common, occurring in highly variable quantities at different landscape positions. Such nodules can have high P sorption capacities, and therefore effectiveness of P fertilis...
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Veröffentlicht in: | Nutrient cycling in agroecosystems 1998-09, Vol.52 (1), p.45-54 |
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description | Alfisols of the Savannas in northern Ghana have high base saturation and moderate P sorption capacities. Lateritic nodules are common, occurring in highly variable quantities at different landscape positions. Such nodules can have high P sorption capacities, and therefore effectiveness of P fertilisation may depend on landscape position. The objective of this study was to investigate the effectiveness of Togo rock phosphate (TRP), 50% acidulated TRP (PAPR) and single super phosphate (SSP) in providing and maintaining available P.Phosphorus supplying ability of soils from upper and lower slopes of three locations in northern Ghana was studied with and without fertilizer addition by repeated desorption with anion exchange resin membrane (AEM) burial in the laboratory and by measuring dry matter yield (DMY) and P uptake of sorghum for six successive greenhouse croppings. Transformations of the applied fertilizers were studied by sequential extraction.Phosphate desorbed with AEM after 38 days, the DMY and the P uptake of sorghum all followed the order SSP > PAPR > TRP = control. The relative agronomic effectiveness of the PAPR was 63% of SSP. Although half the applied TRP was transformed to other forms than acid extractable apatite, this did not liberate P to the AEM. Less than 10% of the SSP was absorbed by the AEM.In the nodule-rich upper slope soils, initial availability of added P was higher, but decreased more rapidly than in lower slope soils. We attributed this to an initial ‘concentration’ of fertilizer in the smaller volume of soil fines followed by slow sorption into the nodules. At the upper slope, much of the TRP and PAPR were transformed to less available forms, while at the lower slope more TRP remained as untransformed apatite. |
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(Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science) ; Tiessen, H</creator><creatorcontrib>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science) ; Tiessen, H</creatorcontrib><description>Alfisols of the Savannas in northern Ghana have high base saturation and moderate P sorption capacities. Lateritic nodules are common, occurring in highly variable quantities at different landscape positions. Such nodules can have high P sorption capacities, and therefore effectiveness of P fertilisation may depend on landscape position. The objective of this study was to investigate the effectiveness of Togo rock phosphate (TRP), 50% acidulated TRP (PAPR) and single super phosphate (SSP) in providing and maintaining available P.Phosphorus supplying ability of soils from upper and lower slopes of three locations in northern Ghana was studied with and without fertilizer addition by repeated desorption with anion exchange resin membrane (AEM) burial in the laboratory and by measuring dry matter yield (DMY) and P uptake of sorghum for six successive greenhouse croppings. Transformations of the applied fertilizers were studied by sequential extraction.Phosphate desorbed with AEM after 38 days, the DMY and the P uptake of sorghum all followed the order SSP > PAPR > TRP = control. The relative agronomic effectiveness of the PAPR was 63% of SSP. Although half the applied TRP was transformed to other forms than acid extractable apatite, this did not liberate P to the AEM. Less than 10% of the SSP was absorbed by the AEM.In the nodule-rich upper slope soils, initial availability of added P was higher, but decreased more rapidly than in lower slope soils. We attributed this to an initial ‘concentration’ of fertilizer in the smaller volume of soil fines followed by slow sorption into the nodules. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c249t-2e5692e6b2bb353568d0611cfc9fc58fc0e23542fdcfc6592dd63977644e46f53</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,782,786,27933,27934</link.rule.ids></links><search><creatorcontrib>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science)</creatorcontrib><creatorcontrib>Tiessen, H</creatorcontrib><title>Fertilizer P transformations and P availability in hillslope soils of northern Ghana</title><title>Nutrient cycling in agroecosystems</title><description>Alfisols of the Savannas in northern Ghana have high base saturation and moderate P sorption capacities. Lateritic nodules are common, occurring in highly variable quantities at different landscape positions. Such nodules can have high P sorption capacities, and therefore effectiveness of P fertilisation may depend on landscape position. The objective of this study was to investigate the effectiveness of Togo rock phosphate (TRP), 50% acidulated TRP (PAPR) and single super phosphate (SSP) in providing and maintaining available P.Phosphorus supplying ability of soils from upper and lower slopes of three locations in northern Ghana was studied with and without fertilizer addition by repeated desorption with anion exchange resin membrane (AEM) burial in the laboratory and by measuring dry matter yield (DMY) and P uptake of sorghum for six successive greenhouse croppings. Transformations of the applied fertilizers were studied by sequential extraction.Phosphate desorbed with AEM after 38 days, the DMY and the P uptake of sorghum all followed the order SSP > PAPR > TRP = control. The relative agronomic effectiveness of the PAPR was 63% of SSP. Although half the applied TRP was transformed to other forms than acid extractable apatite, this did not liberate P to the AEM. Less than 10% of the SSP was absorbed by the AEM.In the nodule-rich upper slope soils, initial availability of added P was higher, but decreased more rapidly than in lower slope soils. We attributed this to an initial ‘concentration’ of fertilizer in the smaller volume of soil fines followed by slow sorption into the nodules. At the upper slope, much of the TRP and PAPR were transformed to less available forms, while at the lower slope more TRP remained as untransformed apatite.</description><subject>Agronomy</subject><subject>ANION</subject><subject>Anion exchange</subject><subject>Anion exchanging</subject><subject>ANIONES</subject><subject>ANIONS</subject><subject>Apatite</subject><subject>DISPONIBILIDAD DE NUTRIENTES</subject><subject>DISPONIBILITE D'ELEMENT NUTRITIF</subject><subject>Dry matter</subject><subject>ECHANGE D'ION</subject><subject>Fertilization</subject><subject>Fertilizers</subject><subject>Fines</subject><subject>FOSFORO</subject><subject>GHANA</subject><subject>INTERCAMBIO IONICO</subject><subject>ION EXCHANGE</subject><subject>Landscape</subject><subject>LUVISOL</subject><subject>LUVISOLES</subject><subject>LUVISOLS</subject><subject>Nodules</subject><subject>NUTRIENT AVAILABILITY</subject><subject>PHOSPHORE</subject><subject>PHOSPHORUS</subject><subject>Rock phosphate</subject><subject>Savannahs</subject><subject>SLOPING LAND</subject><subject>Soils</subject><subject>SORGHUM</subject><subject>Sorption</subject><subject>TERRE EN PENTE</subject><subject>TERRENO EN DECLIVE</subject><subject>Transformations</subject><issn>1385-1314</issn><issn>1573-0867</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1998</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNotkEtLAzEAhIMoWKtnT0LA82re2XgrxVZhUQ_1vGR3E5sSk5qkgv56A_U0w_AxAwPANUZ3GBF6v3jACCnJOCdKcnoCZphL2qBWyNPqacsbTDE7Bxc57xBCkrZsBjYrk4rz7tck-AZL0iHbmD51cTFkqMNUU_2tnddDpcoPdAFunffZx72BOTqfYbQwxFS2JgW43uqgL8GZ1T6bq3-dg_fV42b51HSv6-flomtGwlRpiOFCESMGMgyUUy7aCQmMRzsqO_LWjsgQyhmxU40EV2SaBFVSCsYME5bTObg99u5T_DqYXPpdPKRQJ3tCuBIcMSwrdXOkrI69_kgu9y8dVqpFSND61B_-nFsy</recordid><startdate>19980901</startdate><enddate>19980901</enddate><creator>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science)</creator><creator>Tiessen, H</creator><general>Springer Nature B.V</general><scope>FBQ</scope><scope>3V.</scope><scope>7X2</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>M0K</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope></search><sort><creationdate>19980901</creationdate><title>Fertilizer P transformations and P availability in hillslope soils of northern Ghana</title><author>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science) ; Tiessen, H</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c249t-2e5692e6b2bb353568d0611cfc9fc58fc0e23542fdcfc6592dd63977644e46f53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1998</creationdate><topic>Agronomy</topic><topic>ANION</topic><topic>Anion exchange</topic><topic>Anion exchanging</topic><topic>ANIONES</topic><topic>ANIONS</topic><topic>Apatite</topic><topic>DISPONIBILIDAD DE NUTRIENTES</topic><topic>DISPONIBILITE D'ELEMENT NUTRITIF</topic><topic>Dry matter</topic><topic>ECHANGE D'ION</topic><topic>Fertilization</topic><topic>Fertilizers</topic><topic>Fines</topic><topic>FOSFORO</topic><topic>GHANA</topic><topic>INTERCAMBIO IONICO</topic><topic>ION EXCHANGE</topic><topic>Landscape</topic><topic>LUVISOL</topic><topic>LUVISOLES</topic><topic>LUVISOLS</topic><topic>Nodules</topic><topic>NUTRIENT AVAILABILITY</topic><topic>PHOSPHORE</topic><topic>PHOSPHORUS</topic><topic>Rock phosphate</topic><topic>Savannahs</topic><topic>SLOPING LAND</topic><topic>Soils</topic><topic>SORGHUM</topic><topic>Sorption</topic><topic>TERRE EN PENTE</topic><topic>TERRENO EN DECLIVE</topic><topic>Transformations</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science)</creatorcontrib><creatorcontrib>Tiessen, H</creatorcontrib><collection>AGRIS</collection><collection>ProQuest Central (Corporate)</collection><collection>Agricultural Science Collection</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>Agricultural Science Database</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><jtitle>Nutrient cycling in agroecosystems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Abekoe, M.K. (Saskatchewan Univ., Saskatoon, Sask. (Canada). Dept. of Soil Science)</au><au>Tiessen, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fertilizer P transformations and P availability in hillslope soils of northern Ghana</atitle><jtitle>Nutrient cycling in agroecosystems</jtitle><date>1998-09-01</date><risdate>1998</risdate><volume>52</volume><issue>1</issue><spage>45</spage><epage>54</epage><pages>45-54</pages><issn>1385-1314</issn><eissn>1573-0867</eissn><abstract>Alfisols of the Savannas in northern Ghana have high base saturation and moderate P sorption capacities. Lateritic nodules are common, occurring in highly variable quantities at different landscape positions. Such nodules can have high P sorption capacities, and therefore effectiveness of P fertilisation may depend on landscape position. The objective of this study was to investigate the effectiveness of Togo rock phosphate (TRP), 50% acidulated TRP (PAPR) and single super phosphate (SSP) in providing and maintaining available P.Phosphorus supplying ability of soils from upper and lower slopes of three locations in northern Ghana was studied with and without fertilizer addition by repeated desorption with anion exchange resin membrane (AEM) burial in the laboratory and by measuring dry matter yield (DMY) and P uptake of sorghum for six successive greenhouse croppings. Transformations of the applied fertilizers were studied by sequential extraction.Phosphate desorbed with AEM after 38 days, the DMY and the P uptake of sorghum all followed the order SSP > PAPR > TRP = control. The relative agronomic effectiveness of the PAPR was 63% of SSP. Although half the applied TRP was transformed to other forms than acid extractable apatite, this did not liberate P to the AEM. Less than 10% of the SSP was absorbed by the AEM.In the nodule-rich upper slope soils, initial availability of added P was higher, but decreased more rapidly than in lower slope soils. We attributed this to an initial ‘concentration’ of fertilizer in the smaller volume of soil fines followed by slow sorption into the nodules. At the upper slope, much of the TRP and PAPR were transformed to less available forms, while at the lower slope more TRP remained as untransformed apatite.</abstract><cop>Dordrecht</cop><pub>Springer Nature B.V</pub><doi>10.1023/A:1009745529753</doi><tpages>10</tpages></addata></record> |
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subjects | Agronomy ANION Anion exchange Anion exchanging ANIONES ANIONS Apatite DISPONIBILIDAD DE NUTRIENTES DISPONIBILITE D'ELEMENT NUTRITIF Dry matter ECHANGE D'ION Fertilization Fertilizers Fines FOSFORO GHANA INTERCAMBIO IONICO ION EXCHANGE Landscape LUVISOL LUVISOLES LUVISOLS Nodules NUTRIENT AVAILABILITY PHOSPHORE PHOSPHORUS Rock phosphate Savannahs SLOPING LAND Soils SORGHUM Sorption TERRE EN PENTE TERRENO EN DECLIVE Transformations |
title | Fertilizer P transformations and P availability in hillslope soils of northern Ghana |
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