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    Response of dry season sorghum to supplemental irrigation and fertilizer N and P on Vertisols in northern Cameroon

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    Date
    1995
    Author
    Carsky, R.
    Ndikawa, R.
    Singh, L.
    Rao, M.R.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    A series of trials was conducted to quantify response of dry season transplanted sorghum to water and fertilizer application in order to test the hypothesis that soil moisture limits production more than nutrient supply. The trials were conducted at two field sites representative of a large land area in the Lake Chad Basin of Africa. Water was clearly the limiting factor as grain yield response to two irrigations (10 cm total) was a statistically significant 58% over 3 years. One irrigation during vegetative growth resulted in sorghum grain yield increases of 24–29%. Response to P fertilizer was negligible. Response to N fertilizer was 32% over three environments but was not statistically significant at P < 0.05. Future research should focus on improvements in soil moisture availability, either through increased soil moisture storage or through reduced evaporative losses.
    https://doi.org/10.1016/0378-3774(95)01169-J
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4503
    Digital Object Identifier (DOI)
    https://doi.org/10.1016/0378-3774(95)01169-J
    IITA Subjects
    Farm Management; Plant Genetic Resources; Nutrition
    Agrovoc Terms
    Dry Season; Sorghum; Irrigation; Fertilizers
    Regions
    Africa; Central Africa
    Countries
    Cameroon
    Collections
    • Journal and Journal Articles4836
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