P. A. Opala

IMMEDIATE AND RESIDUAL EFFECTS OF LIME AND PHOSPHORUS FERTILIZER ON SOIL ACIDITY AND MAIZE PRODUCTION IN WESTERN KENYA

P. Kisinyo, C. O. Othieno, S. Gudu et al. · Experimental Agriculture · 2013 · 68 citations

Biogeochemistry, Engineering, Environmental Engineering +10

Effects of Organic and Inorganic Materials on Soil Acidity and Phosphorus Availability in a Soil Incubation Study

P. A. Opala, J. R. Okalebo, C. O. Othieno · ISRN Agronomy · 2012 · 66 citations · Full text

Soil Property, Biogeochemistry, Environmental Chemistry +15

Symbiotic Efficiency of Native Rhizobia Nodulating Common Bean (<i>Phaseolus vulgaris L.</i>) in Soils of Western Kenya

Fanuel Kawaka, Mathews M. Dida, P. A. Opala et al. · International Scholarly Research Notices · 2014 · 53 citations · Full text

Engineering, Agricultural Economics, Western Kenya +16

Phosphorus Sorption and Lime Requirements of Maize Growing Acid Soils of Kenya

P. Kisinyo, C. O. Othieno, S. Gudu et al. · Sustainable Agriculture Research · 2013 · 46 citations · Full text

Environmental Chemistry, Biogeochemistry, Engineering +12

Influence of Lime and Phosphorus Application Rates on Growth of Maize in an Acid Soil

P. A. Opala · Advances in Agriculture · 2017 · 44 citations · Full text

Plant Physiology, Biogeochemistry, Phosphorus Application Rates +13