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Periodical article Periodical article Leiden University catalogue Leiden University catalogue WorldCat catalogue WorldCat
Title:A Search for Periodicities and Similarities in Crop Production, Farm Labour and Rainfall Series in Kenya
Author:Masaya Tichaendepi R.
Periodical:Eastern Africa Journal of Rural Development
Geographic term:Kenya
agricultural production
agricultural workers
Economics and Trade
Labor and Employment
Agriculture, Natural Resources and the Environment
Abstract:Fluctuations in rainfall are likely to cause periodicities in crop production and thereby create discontinuities in the supply of commodities to meet existing demand. In addition, when fluctuations of this kind do exist, periodic unemployment of farm labour is likely to be experienced. Some knowledge of the nature of the periodicities is important if farm policy is to be implemented correctly. The present author investigates the existence of periodicities in crop production and farm labour series and compares them with those existing in the rainfall series. The author uses coffee, maize and wheat production series from large scale farms for the period 1919 to 1972; farm labour series for the period 1919 to 1972; and average rainfall series for the period 1914 to 1973. The analysis shows that the production of major crops in Kenya is characterised by a common cycle with an average period from 5 to 5,5 years. Secondary cycles of about 3 years duration were revealed by the coffee and wheat series. The 5,5/5 year cycle as well as the secondary 3 year cycle were also found in the rainfall, farm labour and total crop production series. Fig., ref., tab.