Dry years and their relationship to crop production in Sri Lanka |
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| Authors: | M Domrös Prof Dr |
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| Institution: | (1) Department of Geography, Mainz University, FR Germany |
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| Abstract: | Drought is a distinct agroclimatological hazard with far reaching consequences upon crop production. Among them, famines are
regarded the most serious effects of climatological drought. Although there is no doubt about the principally valid relationship
between drought and production losses it seems more problematic how this relationship can be proved statistically. In this
paper annual rainfall data and production figures of the three major crops of Sri Lanka, rice (paddy), tea and rubber, are
correlated, but only partially a true relationship between dry years and production losses could be observed. Reason for this
may be the moderate degree of annual drought. From the results shown, the question arises how agricultural drought can be
defined and how the climatic effects upon crop production can be studied satisfactorily. |
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