Impact of maize straw biochar and tied-ridge-furrow rainwater harvesting on soil erosion and soil quality in a semiarid region

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dc.contributor.authorObour, P.B.
dc.contributor.authorMak-Mensah, E.
dc.contributor.authorZhao, W.
dc.contributor.authorZhou, X.
dc.contributor.authorWang, Q.
dc.contributor.authorZhang, D.
dc.date.accessioned2023-02-09T21:03:23Z
dc.date.available2023-02-09T21:03:23Z
dc.date.issued2023
dc.descriptionResearch Articleen_US
dc.description.abstractIn dry land areas, integrating biochar soil amendment with in situ rainwater harvesting systems may decrease soil erosion, improve soil quality, and increase crop productivity and yield. This study was conducted to investigate the effect of maize straw biochar amendment and ridge-furrow rainwater harvesting systems on run-off, sediment yield and the physico-chemical properties of a Calcic Cambisol soil in semiarid areas. The experiment was conducted on alfalfa (Medicago sa tiva) production land at the Anjiagou Catchment experimental station in Gansu province, China. The experimental layout was a split-plot design with three replications. Biochar was applied at a rate of 0 and 30 tha−1, respectively. The tillage treatments were flat planting, open-ridging, and tied-ridging (TR). Overall, the integration of maize straw biochar with TR decreased soil bulk density at 0–40 cm depth. Biochar application reduced run-off by 37.8% and soil loss by 55.5% during alfalfa-growing seasons compared to the control. In general, biochar addition increased soil total potassium, but the same effect was not observed for soil pH, total nitrogen, total phosphorus, and available phosphorus. These findings demonstrate the potential of integrating maize straw biochar and tillage systems to reduce soil erosion and improve soil quality for rainfed crop production in semi arid areas. Further studies on the effect of biochar-tillage system interaction are warranted to improve soil conditions for plant growth and increase crop yield in dryland areasen_US
dc.identifier.urihttp://ugspace.ug.edu.gh:8080/handle/123456789/38631
dc.language.isoenen_US
dc.publisherWILEYen_US
dc.subjectmaize straw biocharen_US
dc.subjectrun-offen_US
dc.subjectsediment yielden_US
dc.subjectsoil physico-chemical propertiesen_US
dc.subjecttillage systemen_US
dc.titleImpact of maize straw biochar and tied-ridge-furrow rainwater harvesting on soil erosion and soil quality in a semiarid regionen_US
dc.typeArticleen_US

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