MOA-NAL- Fertilizer Use Recommendation Final Report Volume 5 Busia District 1987

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Date
1987
Authors
Ministry of Agriculture
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Ministry of Agriculture
Abstract
Annual average rainfall in Busia District increases from 900 mm at the lake shore to 2000 mm near the border of Kakamega District. The contrasts in 66% rainfall reliability, i.e. amounts surpassed in 20 out of 30 years, are even higher, in the first rains from 400 to 900 mm (see Map 5.0.1) and in the second rains from 80 to 800 mm (see Map 5.0.2). In the wetter areas it is difficult to divide the growing seasons, since there is no distinct dry period to separate them (see Figure 5.2.5). The Agro-Ecological sub-zone formula: 1 - m i (i.e. a long cropping season followed by a medium one and intermediate rains) for instance, expresses one possibility to divide the more or less continuous agro-humid period, provided that second planting is to start at the beginning of September. The annual average temperature is between 21 and 23°C. Humidity of the air is relatively high, due to the proximity of the lake. For the entire District evaporation is 1800 - 2000 mm per year.
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