• Contact Us
    • Send Feedback
    • Login
    View Item 
    •   Home
    • Conference Documents
    • Conference Documents
    • View Item
    •   Home
    • Conference Documents
    • Conference Documents
    • View Item
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Browse

    Whole Repository
    CollectionsIssue DateRegionCountryHubAffiliationAuthorsTitlesSubject
    This Sub-collection
    Issue DateRegionCountryHubAffiliationAuthorsTitlesSubject

    My Account

    Login

    Welcome to the International Institute of Tropical Agriculture Research Repository

    What would you like to view today?

    Improving the productivities of cowpeacereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems

    Thumbnail
    View/Open
    U96BkClaassenMechanizedNothomNodev.pdf (1.376Mb)
    Date
    2012
    Author
    Ajeigbe, Hakeem A.
    Singh, B.
    Kamara, A.
    Chikoye, D.
    Adamu, R.S.
    Saidou, A.K.
    Adeosun, J.O.
    Type
    Conference Paper
    Metadata
    Show full item record
    Abstract/Description
    Cowpea (Vigna unguiculata [L.] Walp.) is the most important grain legume in the dry savannas of West Africa, however grain and fodder yields are low (averaging 25 to 300 kg and 450 to 800 kg grain and fodder/ha, respectively) due to biotic and abiotic constraints. Improved varieties and cropping systems are continuously being developed to tackle the various constraints and some of the results have shown promises in limited on-farm trials in the past. Recently IITA, in collaboration with several partners, was involved in mass dissemination of some of these cowpea varieties and cropping systems in the dry savanna regions of Nigeria and Niger. This paper describes the on-farm results of several of the disseminated technologies in the dry savannas of Nigeria and Niger. In the northern Guinea savanna Zone (NGS), maize-double cowpea strip cropping, cowpea−maize−cowpea, and maize−cowpea relay systems are spreading among farmers. In the Sudan savanna zone (SS), cowpea−cereal strip cropping system and cereal−cowpea relay using extra-early maize varieties and medium or dual-purpose drought tolerant cowpea varieties are adopted and adapted by farmers. In the Sahel of Niger Republic, cowpea−cereal strip cropping and sole cowpea in dry season for fodder and grain are practiced. In NGS, cowpea grain yield ranged from 1.4 to 1.8 t/ha and maize yield ranged from 1.5 to 2.2 t/ha depending on the system. Cowpea grain yields in SS ranged from 0.8 to 1.4 t/ha and cereals grain yield ranged from 0.8 to 1.9 t/ha, while in the Sahel grain yield of cowpea ranged from 0.6 to 1.7 t/ha and cereal yields of 0.6 to 1.2 t/ha. It was concluded that adoption of improved cowpea varieties in improved cropping systems is raising the average yield of cowpea in the dry savannas of West Africa.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4490
    IITA Subjects
    Cowpea; Crop Systems
    Agrovoc Terms
    Cowpeas; Vigna Unguiculata; Grain Legumes; Intercropping; Cropping Systems
    Regions
    Africa; West Africa
    Countries
    Nigeria; Niger
    Collections
    • Conference Documents594
    copyright © 2019  IITASpace. All rights reserved.
    IITA | Open Access Repository