Edaphic factors modulating phosphorus availability in lowland rice systems, Nigeria

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cg.authorship.typesCGIAR and developing country instituteen_US
cg.contributor.affiliationInternational Institute of Tropical Agricultureen_US
cg.contributor.affiliationFederal University of Agriculture, Abeokutaen_US
cg.contributor.affiliationK/T Geoservices Inc, USAen_US
cg.coverage.countryNigeriaen_US
cg.coverage.iso3166-alpha2NGen_US
cg.coverage.regionAfricaen_US
cg.coverage.regionWestern Africaen_US
cg.creator.identifierSamuel Ayodele Mesele: 0000-0003-0275-620Xen_US
cg.howPublishedFormally Publisheden_US
cg.identifier.doihttps://doi.org/10.1080/00103624.2024.2379593en_US
cg.isijournalISI Journalen_US
cg.issn0010-3624en_US
cg.issue19en_US
cg.journalCommunications in Soil Science and Plant Analysisen_US
cg.reviewStatusPeer Reviewen_US
cg.subject.iitaAGRONOMYen_US
cg.subject.iitaCROP SYSTEMSen_US
cg.subject.iitaFOOD SECURITYen_US
cg.subject.iitaLIVELIHOODSen_US
cg.subject.iitaSOIL FERTILITYen_US
cg.subject.impactAreaNutrition, health and food securityen_US
cg.subject.impactPlatformNutrition, Health and Food Securityen_US
cg.subject.sdgSDG 2 - Zero hungeren_US
cg.volume55en_US
dc.contributor.authorMesele, S.A.en_US
dc.contributor.authorAjiboye, G.A.en_US
dc.contributor.authorTalbot, J.en_US
dc.date.accessioned2024-12-12T12:51:41Zen_US
dc.date.available2024-12-12T12:51:41Zen_US
dc.identifier.urihttps://hdl.handle.net/10568/163412en_US
dc.titleEdaphic factors modulating phosphorus availability in lowland rice systems, Nigeriaen_US
dcterms.abstractThe low rice production level in Africa is attributed to poor soil fertility despite the potential for rice cultivation in the inland valleys. This study was conducted to evaluate soil characteristics in some lowlands that have been continuously and intensively used for rice production for over two decades in southwestern Nigeria. Soil physical, chemical, and mineralogical properties, as well as phosphorus sorption characteristics, were assessed in soil samples collected from diagnostic horizons of profiles in six benchmark soils. The results show kaolinite, quartz, potassium(K)-feldspars, and mixed-layered smectite as the predominant minerals. The iron oxide fractions indicate that the soils are at varying degrees of development where the soils at the advanced stage of development are predominantly rich in kaolinite and quartz with a high concentration of total pedogenic iron oxide and generally low in soil fertility. Soil phosphorus buffering capacity is low and varies inversely with pH, confirming the deficiency of phosphorus at low pH. Short-range-order (SRO) iron (Fe) oxides show a strong affinity for phosphorus and this is stronger at lower soil horizons and mediated by some redoxomorphic reactions. The SRO iron oxide concentration has more influence on phosphorus retention in soils rather than the absolute concentration of iron oxides. The study concludes that SRO Fe oxides and soil pH are the major edaphic factors playing a prominent role in phosphorus retention and availability in the wetland soils rather than the clay minerals.en_US
dcterms.accessRightsLimited Accessen_US
dcterms.audienceScientistsen_US
dcterms.available2024-07-19en_US
dcterms.bibliographicCitationMesele, S.A., Ajiboye, G.A. & Talbot, J. (2024). Edaphic factors modulating phosphorus availability in lowland rice systems, Nigeria. Communications in Soil Science and Plant Analysis, 55(19), 2935-2951.en_US
dcterms.extent2935-2951en_US
dcterms.issued2024en_US
dcterms.languageenen_US
dcterms.licenseCopyrighted; all rights reserveden_US
dcterms.subjectriceen_US
dcterms.subjectlowlanden_US
dcterms.subjectnutrient availabilityen_US
dcterms.subjectphosporusen_US
dcterms.subjectsoil fertilityen_US
dcterms.typeJournal Articleen_US

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