Kironchi, G., S.M. Kinyali and J.P. Mbuvi 1993. Validity of Philip equation for Infiltration into soils of Sirima andk Mukogodo Catchments in Laikipia District. E. Afric. Agric. For J. 58 (4) pp155-160.

Citation:
P PROFMBUVIJOSEPH. "Kironchi, G., S.M. Kinyali and J.P. Mbuvi 1993. Validity of Philip equation for Infiltration into soils of Sirima andk Mukogodo Catchments in Laikipia District. E. Afric. Agric. For J. 58 (4) pp155-160.". In: Asian Journal of Agriculture and Rural Development. Asian Economic and Social Society; 1993.

Abstract:

Influence of soil type and landuse on soil water retention and availability in the semi-arid Sirima and Mukogodo catchments in Laikipia District were investigated. Representative soils, six in Sirima and four in Mukogodo, surveyed at a detailed level, were assessed using samples taken from 0-10, 20-30 and 40-5 cm depths of bush, grass, bare ground and cultivated sites. Sirima soils retained more water than Mukogodo soils due to differences in clay type and textural composition. All Sirima soil layers were clay while Mukogodo topsoils were sandy loam and subsurface layers sandy clay loam. Mukogodo soils were more compact and had significantly lower carbon content than Sirima soils at all depths. For each area, only the surface layer had significant difference (p<0.05) in water retention among landuses, with bare ground retaining the most especially at higher pressures. However, no distinction in water availability could be made among soil types in each area. Unlike the increase in clay content with depth, bulk density and carbon content were not significant in influencing plant water availability

Notes:

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