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Effect of phosphorus on the growth yield and nutrient uptake of intercropped maize( Zea mays (L.) and cowpea (Vigna unguiculata (L.) walp)
(Botswana University of Agriculture & Natural Resources, 2016-06)
In addition to low soil moisture and its holding capacity, constraints to arable agricultural
production in Botswana include low levels of nutrients, especially phosphorus. The objectives
of the study were to determine ...