Soya bean Agronomy In Uganda Plant Populations And Spacing

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Date
1971/1972
Authors
. Rubaihayo P. R
Leakey C. L. A.
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Abstract
Previous papers, (Rubaihayo and Leakey 1970; Leakey and Rubaihayo 1970) reported recent work in Uganda and indicated the potential for development of the soya bean crop in agricultural diversification, and gave an account of initial selection work to identify suitable cultivars for production in the fertile crescent of Uganda, This region lies astride the equator at approximately 1,220 meltres(4,000 ft) altitude, Day temperatures average approximately 27°C. and night temperatures are between 17-19°C. The effective day length is approximately 12t hours throughout the year. Rainfall has a bimodal distribution with two relatively dry seasons alternating with two cropping seasons, each with an expected effective duration sufficient to grow annual crops of up to about 115-120 days maturity. The most important 'characteristic of the rainfall distribution, however, is its unreliability (Manning, 1956; Huxley, 1965) and the earliest date at which seasonal crops may satisfactory be planted in the absence of irrigation may vary by a month between corresponding seasons in different years.
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East African Agricultural And Forestry Journal, 37, p. 201-205
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