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Book chapter | Leiden University catalogue | WorldCat |
Title: | Economics of irrigation in crop production in Nigeria |
Author: | Onyenwaku, C.E. |
Book title: | Issues in African rural development 2 |
Year: | 1994 |
Pages: | 129-138 |
Language: | English |
Geographic term: | Nigeria |
Subjects: | agricultural productivity irrigation |
Abstract: | This study estimates the economic contribution of small-scale irrigation to crop production by utilizing farm management data obtained in 1991-1992 from a sample of 100 irrigators and 110 nonirrigators in Samaru and Maigana agricultural zones of Kaduna State, Nigeria. Production function analysis shows that the technical change introduced by small-scale pump irrigation schemes is factor-biased or nonneutral, and that technical efficiency is higher on irrigated than on nonirrigated farms. Both farm types are found to be allocatively inefficient in the use of all the production resources considered in the study. In relative terms, however, irrigated farms are more allocatively efficient in the use of land. The study also shows that both irrigated and nonirrigated farms underutilize land, capital and other farm inputs, while irrigated farms overutilize labour and irrigation services. The higher levels of technical efficiency and profit margins associated with irrigated farms tend to support the current government efforts and huge investments in irrigation infrastructure as a means of increasing agricultural productivity and income in Nigeria. Bibliogr., sum. in English (p. 129) and French (p. 209-210). |