Maize–soybean intercropping effect on yield productivity, weed control and diversity in northern Ghana

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cg.authorship.typesCGIAR and developing country institute
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationUniversity of Maiduguri
cg.contributor.affiliationIsrael Kwame Dzomeku
cg.contributor.crpMaize
cg.contributor.donorUnited States Agency for International Development
cg.coverage.countryGhana
cg.coverage.iso3166-alpha2GH
cg.coverage.regionAfrica
cg.coverage.regionWestern Africa
cg.editionVolume 20, Issue 2
cg.howPublishedFormally Published
cg.identifier.doihttps://doi.org/10.1111/wbm.12198
cg.identifier.iitathemePLANT PRODUCTION & HEALTH
cg.isijournalISI Journal
cg.issn1445-6664
cg.issue2
cg.journalWeed Biology and Management
cg.reviewStatusPeer Review
cg.subject.iitaAGRONOMY
cg.subject.iitaFARMING SYSTEMS
cg.subject.iitaMAIZE
cg.subject.ilriCROPS
cg.subject.ilriFARMING SYSTEMS
cg.subject.ilriLEGUMES
cg.volume20
dc.contributor.authorBerdjour, A.
dc.contributor.authorDugje, I.Y.
dc.contributor.authorDzomeku, I.K.
dc.contributor.authorAbdul Rahman, Nurudeen
dc.date.accessioned2020-08-28T13:17:34Zen
dc.date.available2020-08-28T13:17:34Zen
dc.identifier.urihttps://hdl.handle.net/10568/109099
dc.titleMaize–soybean intercropping effect on yield productivity, weed control and diversity in northern Ghanaen
dcterms.abstractThe cereal–legume cropping system is a common practice across the tropical world. However, there are limited quantitative data on the effect of cereal–legume intercropping on weed species diversity. A study was conducted in the Guinea savanna zone of Ghana to evaluate the effect of maize–soybean intercropping on yield productivity and weed species control. The treatments used include three maize maturity types (extra‐early: Abontem, early: Sammaz 27 and medium: Obatanpa) intercropped with soybean at three intraspacing (10, 20 and 30 cm), and their sole crop treatments were laid in a randomized complete block design with three replications. Results showed that the land equivalent ratio (LER) for the intercrops was above 1, indicating better intercrop productivity than the sole crops. An average of 40% land was saved for the intercrops compared with the sole crops. Intercropping Sammaz 27 maize with soybean significantly increased LER by 9% compared to the other types. Intercropping maize with soybean significantly reduced weed biomass at 6 and 9 weeks after planting (WAP) and at harvest relative to the sole maize. The weed biomass at 6 and 9 WAP and harvest increased (p < .05) with increasing soybean intraspacing. The grass and broadleaf weed species count at 6 WAP and harvest from the sole crops were significantly higher than that of the intercrops. The results suggest that intercropping early maize maturity type with soybean at 10 cm intraspacing could be used to increase grain yield, LER and control of grass and broadleaf weeds in a maize‐based cropping system in the Guinea savanna zones of West Africa.en
dcterms.accessRightsLimited Access
dcterms.audienceScientists
dcterms.available2020-06-29
dcterms.bibliographicCitationBerdjour, A., Dugje, I.Y., Dzomeku, I.K. and Abdul Rhaman, N. 2020. Maize–soybean intercropping effect on yield productivity, weed control and diversity in northern Ghana. Weed Biology and Management 20(2):69-81.en
dcterms.extentpp. 69-81
dcterms.issued2020-06
dcterms.languageen
dcterms.licenseCopyrighted; all rights reserved
dcterms.publisherWiley
dcterms.subjectintercroppingen
dcterms.subjectmaizeen
dcterms.subjectproductivityen
dcterms.subjectfarming systemsen
dcterms.subjectsoybeansen
dcterms.subjectweedsen
dcterms.subjectlegumesen
dcterms.typeJournal Article

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