Combined effects of biochar and fertilizer application on maize production in dependence on the cultivation method in a sub-humid climate

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dc.contributor.authorGraef, H
dc.contributor.authorKiobia, D
dc.contributor.authorSaidia, P
dc.contributor.authorKahimba, F
dc.contributor.authorGraef, F
dc.contributor.authorEichler-Lobermann, B
dc.date.accessioned2021-07-28T12:26:35Z
dc.date.available2021-07-28T12:26:35Z
dc.date.issued2018
dc.descriptionJournal Articleen_US
dc.description.abstractLow, erratic rainfall amounts and restricted accessibility of chemical fertilizer for rural farmers in developing countries may have negative effects on crop production. Agricultural methods like biochar applications, fertilizer microdosing and tied ridging can help to mitigate these constraints, but have rarely been studied in combination and under varying water availability. A field trial was conducted in split-plot design over two contrasting cropping seasons in 2016 and 2017 in Tanzania to study the effect of these agricultural methods on maize grain yield, biomass, leaf area index, plant height and soil moisture content. In both seasons each with contrasting irrigation frequencies, fertilizer microdosing increased the grain yield of maize. Biochar alone affected the yield only at high application rates (10 t/ha) and low irrigation frequency. However, when combined with fertilizer microdosing the yield effect of biochar was more pronounced. For example, combining 5 t/ha biochar with fertilizer microdosing under flat tillage increased yield by 170% compared to the control without biochar and fertilizers. Tied ridges increased soil moisture content and tended to increase maize yield compared to flat tillage, whereas biochar application resulted in significantly higher soil moisture contents. Fertilizer microdosing with biochar application can be recommended to improve maize yields mainly under flat tillage.en_US
dc.identifier.issn0010-3624
dc.identifier.urihttps://www.suaire.sua.ac.tz/handle/123456789/3785
dc.language.isoenen_US
dc.publisherTaylor and Francisen_US
dc.subjectBiocharen_US
dc.subjectfertiliser microdosingen_US
dc.subjectmaizeen_US
dc.subjectrainwater harvestingen_US
dc.subjecttied ridgeen_US
dc.titleCombined effects of biochar and fertilizer application on maize production in dependence on the cultivation method in a sub-humid climateen_US
dc.typeArticleen_US
dc.urlhttps://doi.org/10.1080/00103624.2018.1547392en_US

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