Assessing the physico-chemical properties of irrigated soils for sustainable rice production in Patigi Kwara State, Nigeria
D. Olabode; E. O. Oriola
This paper evaluates the productive capability of irrigated soils of Patigi, a rice producing area in Kwara State with a view to identify the limiting properties of soil whose proper management can enhance and increased rice productivity to meet its demand in the country. Forty 100m x100m quadrats were demarcated from the 80 hectares of irrigated rice field in Patigi, 80 composite soil samples were randomly collected at 0-15cm and 15-30cm representing Top and Sub soils respectively. The samples were treated and subjected to standard laboratory analysis using standard procedures. Sixteen physico-chemical soil elements that are essential in rice nutrition were analyzed. Coefficient of Variation (C.V), Analysis of Variance and Factor analysis (FA) were used to summarize the data. Factors with eigenvalues >1 were retained, and the factors subjected to varimax rotation that reduced the 17 measured soil properties into Five Factor Components (FCs). This structure model identified level of soil functionality. The result shows that Available Potassium and Water Holding Capacity fall within the medium group. This implies that they must be available in balance proportions to support sustainable rice cultivation. Contents of sodium, Nitrogen and Bulk density fall within the low group. This implies that they limit rice growth in this area. The study recommends that soil parameters in the medium and low groups should be adequately managed for better sustainability of rice production in the study area and similar environment throughproperly management of irrigation system such that it allows regular water supply to the farmland and adequate and timely application of fertilizer; to prevent the soils from being less suitable for plant growth, either through chemical or physical changes.
Year of publication: |
2013
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Authors: | Olabode, D. ; Oriola, E. O. |
Published in: |
Asian Journal of Empirical Research. - Karachi, Pakistan : [Verlag nicht ermittelbar], ISSN 2224-4425, ZDB-ID 2630864-2. - Vol. 3.2013, 7, p. 860-869
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Subject: | Rice | Cultivation | Sustainability | Irrigated rice | Soil parameters | Potential | Agrarboden | Agricultural soil | Reisanbau | Rice production | Bewässerung | Irrigation | Nachhaltige Entwicklung | Sustainable development | Nigeria | Reismarkt | Rice market | Bodenverbesserung | Land improvement | Bodenbelastung | Soil degradation |
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