Continuous Arable Cropping With the Use Of Manure and Fertilizers

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Date
1962
Authors
Grimes, R. C.
Clarke, R.T.
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Abstract
The problem of maintaining soil fertility is becoming increasingly important in African areas where shifting cultivation is giving way to settled agriculture and rapid growth, of the population is placing more and more strain on the resources of the land. The judicious use of fallows, green manures, farmyard manure and artificial fertilizers, singly or in combination, can maintain soil fertility under certain conditions. The correct application of these factors to local conditions of soil and climate can only be determined by field trials. Due to the difficulties of carrying out such long-term trials, comparatively few are laid down and fewer still survive long enough to yield useful information.
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East African Agricultural And Forestry Journal, 28, p. 74-80