A study was conducted during the 2009-2010 summer growing season to determine the effects of varying irrigation frequencies and NPK application rate on biomass yield and partitioning to fractions of Cucumis africanus. The experiment was laid out in a split-plot design arrangement and replicated three times. Three irrigation frequencies, namely, 2, 4 and 6 days interval, were the main plots and sub-plot treatments were application rates of three NPK fertilizer levels combined in a ratio 3:2:1and a control treatment of 0 Kg NPK ha-1. Total and plant fraction biomass yield were higher in the four day irrigation frequencies and 120-80-40 kg NPK ha-1 fertilizer rate treatment combination. In conclusion, the results indicate that the plant can produce adequately under conditions of limited water supply provided there are supplemental nutrients available.
Key words: Irrigation frequency, biomass yield, root/shoot ratio, ethnobotanicals.
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