Soil fertilization synergistically enhances the impact of pollination services in increasing seed yield of sunflower under dryland conditions

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dc.contributor.authorAdelabu, Dollop Bola
dc.contributor.authorBredenhand, Emile
dc.contributor.authorVan der Merwe, Sean
dc.contributor.authorFranke, Angelinus Cornelius
dc.date.accessioned2022-06-20T07:19:45Z
dc.date.available2022-06-20T07:19:45Z
dc.date.issued2021
dc.description.abstractTo exploit the potential of ecological intensification during sunflower cropping, it is crucial to understand the potential synergies between crop management and ecosystem services. We therefore examined the effect of pollination intensification on sunflower yield and productivity under various levels of soil fertilization over two seasons in the eastern Free State, South Africa. We manipulated soil fertility with fertilizer applications and pollination with exclusion bags. We found a synergetic effect between pollination and soil fertilization whereby increasing pollination intensity led to a far higher impact on sunflower yield when the soil had been fertilized. Specifically, the intensification of insect pollination increased seed yield by approximately 0.4 ton/ha on nutrient poor soil and by approximately 1.7 ton/ha on moderately fertilized soil. Our findings suggest that sunflower crops on adequate balanced soil fertility will receive abundant insect pollination and may gain more from both synergies than crops grown in areas with degraded soil fertility.en_ZA
dc.description.versionPublisher's versionen_ZA
dc.identifierhttps://doi.org/10.1017/S0021859621000514
dc.identifier.citationBola Adelabu, D., Bredenhand, E., Van der Merwe, S., & Franke, A. (2021). Soil fertilization synergistically enhances the impact of pollination services in increasing seed yield of sunflower under dryland conditions. The Journal of Agricultural Science, 159(3-4), 258-271. https://doi.org/10.1017/S0021859621000514en_ZA
dc.identifier.issn1469-5146
dc.identifier.urihttp://hdl.handle.net/11660/11687
dc.language.isoenen_ZA
dc.publisherCambridge University Pressen_ZA
dc.rights.holderAuthor(s)en_ZA
dc.rights.licensehttps://creativecommons.org/licenses/by/4.0/
dc.subjectFloweringen_ZA
dc.subjectHelianthus annuusen_ZA
dc.subjectHoneybeeen_ZA
dc.subjectProductivityen_ZA
dc.subjectSoil fertilityen_ZA
dc.titleSoil fertilization synergistically enhances the impact of pollination services in increasing seed yield of sunflower under dryland conditionsen_ZA
dc.typeArticleen_ZA
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Research Articles (Soil, Crop and Climate Sciences)
Research Articles (Afromontane Research Unit)
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Research Articles (Zoology and Entomology)