The Effects of Different Nitrogen Treatments And Of Potash, Lime and Trace Elements On Cotton, On Buganda Clay Loam Soil

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Date
1967
Authors
Stephens D.
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Abstract
In two field experiments on an acid ferr- allitic clay loam at Kcawanda las,ting for three seasons, cotton was found to respond to potash, nitrogen and lime, but not to trace element applications of manganese, boron, zinc, copper, iron and molybdenum, and there was little difference between ammonium sulphate and sodium nitrate or between single and frequent applications of nitrogen. The beneficial effect of a grass rest on cotton is probably due partly to its supply of potash, but not to any specially suitable supply of available nitrogen. The sixth opened leaf (less petiole) from the top of the main stem collected after "squaring" was the most promising sample for foliar analysis.
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East African Agricultural And Forestry Journal, XXXII (3), p. 320-325