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Effect of soil water, nitrogen and phosphorus on maize growth and yield in a Semi arid environment
(2005)
A field study was carried out for three seasons from November 1999 to February 2001 to
investigate the influence of irrigation on growth, light and nitrogen use in maize under semiarid
conditions in Machakos, Kenya. The ...
Effect of nitrogen application and plant age on edible leaf yield and quality of Black Nightshade (Solanum nigrum l.) plants.
(2000)
Two experiments were carried out to investigate the effects of nitrogen application
rates and plant age on the edible leaf yield and nutritive quality of black nightshade
(Solanum nigrum L.) plants. The first experiment ...