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The hydrogeology of Botswana.
Botswana covers an area of 570 000 km and has a population of about 600 000. It is estimated that three-quarters of the human and livestock populations are dependent on ground water, with an estimated 26 x 10 m of water ...
Some effects of environment, age and growth regulating compounds on the growth, yield and quality of sugarcane in southern Africa.
An assessment has been made of the potential for increasing yields of well grown irrigated sugarcane crops beyond their present maxima. The effects of age at harvest and artificial growth regulators on yield have also ...