Effects of conservation tillage, crop residue and cropping systems on changes in soil organic matter and maize-legume production: a case study in Teso District von Anyanzwa, H, Okalebo, J. R, Othieno, C. O, Bationo, A, Waswa, B. S, Kihara, J

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IMMEDIATE AND RESIDUAL EFFECTS OF LIME AND PHOSPHORUS FERTILIZER ON SOIL ACIDITY AND MAIZE PRODUCTION IN WESTERN KENYA von KISINYO, P. O., OTHIENO, C. O., GUDU, S. O., OKALEBO, J. R., OPALA, P. A., NG'ETICH, W. K., NYAMBATI, R. O., OUMA, E. O., AGALO, J. J., KEBENEY, S. J., TOO, E. J., KISINYO, J. A., OPILE, W. R.

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Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya von Opala, P. A, Okalebo, J. R, Othieno, C. O, Kisinyo, P

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Available technologies to replenish soil fertility in East Africa von Okalebo, J. R, Othieno, C. O, Woomer, P. L, Karanja, N. K, Semoka, J. R. M, Bekunda, M. A, Mugendi, D. N, Muasya, R. M, Bationo, A, Mukhwana, E. J

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Micro-Dosing of Lime, Phosphorus and Nitrogen Fertilizers Effect on Maize Performance on an Acid Soil in Kenya von Kisinyo, P. O., Opala, P. A., Palapala, V., Gudu, S. O., Othieno, C. O., Ouma, E.

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Effects of Integrated Use of Calliandra calothyrsus and Maize Stover with Urea on Maize Yield Components under Striga Infestation in Western Kenya von R. O., Nyambati, G. D., Odhiambo, C. K., Serrem, C. O., Othieno, F. S., Mairura

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PHOSPHORUS AVAILABILITY AS AFFECTED BY THE APPLICATION OF PHOSPHATE ROCK COMBINED WITH ORGANIC MATERIALS TO ACID SOILS IN WESTERN KENYA von WAIGWA, M. W., OTHIENO, C. O., OKALEBO, J. R.

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RESIDUAL EFFECTIVENESS OF MINJINGU PHOSPHATE ROCK AND FALLOW BIOMASS ON CROP YIELDS AND FINANCIAL RETURNS IN WESTERN KENYA von NDUNG'U, K. W., OKALEBO, J. R., OTHIENO, C. O., KIFUKO, M. N., KIPKOECH, A. K., KIMENYE, L. N.

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EFFECTS OF COMBINING ORGANIC MATERIALS WITH INORGANIC PHOSPHORUS SOURCES ON MAIZE YIELD AND FINANCIAL BENEFITS IN WESTERN KENYA von OPALA, P. A., OTHIENO, C. O., OKALEBO, J. R., KISINYO, P. O.

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RESPONSES OF TEA TO ENVIRONMENT IN KENYA. 3. YIELD AND YIELD DISTRIBUTION von Ng'etich, W. K., Stephens, W., Othieno, C. O.

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Recent advances towards understanding and managing Kenyan acid soils for improved crop production von Kisinyo, P. O, Opala, P. A., Gudu, S. O., Othieno, C. O., Okalebo, J. R, Palapala, V., Otinga, A. N

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SCREENING OF SESBANIA FOR TOLERANCE TO ALUMINUM TOXICITY AND SYMBIOTIC EFFECTIVENESS WITH ACID TOLERANT RHIZOBIA STRAINS IN ACID SOIL IN WESTERN KENYA von GUDU, S. O., KISINYO, P. O., MAKATIANI, E. T., ODEE, D. W, ESEGU, J. F. O., SHAMCHAMA, S. A. O., OTHIENO, C. O., OKALEBO, J. R., OSIYO, J. R., OWUOCHE, J. O.

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EFFECT OF COMBINING ORGANIC RESIDUES WITH MINJINGU PHOSPHATE ROCK ON SORPTION AND AVAILABILITY OF PHOSPHORUS AND MAIZE PRODUCTION IN ACID SOILS OF WESTERN KENYA von KIFUKO, M. N., OTHIENO, C. O., OKALEBO, J. R., KIMENYE, L. N., NDUNG'U, K. W., KIPKOECH, A. K.

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EFFECT OF PHOSPHATE FERTILIZER APPLICATION METHODS AND NITROGEN SOURCES ON MAIZE IN WESTERN KENYA: AN AGRONOMIC AND ECONOMIC EVALUATION von OPALA, P. A., JAMA, B. A., OTHIENO, C. O., OKALEBO, J. R.

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Effect of Cropping System and Nitrogen on Maize and Soy Bean Yields in Western Kenya von Mongare, P. O., Okalebo, J. R., Othieno, C. O., Ochuodho, J. O., Njoroge, R., Otinga, A. N.

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The effects of altitude on the chemical composition of black tea von Owuor, Philip O, Obaga, Samuel O, Othieno, Caleb O

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Yield variability at the Tea Research Foundation of Kenya von Othieno, C.O., Stephens, William, Carr, M.K.V.

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Climate and weather variability at the Tea Research Foundation of Kenya von Stephens, William, Othieno, C.O., Carr, M.K.V.

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The impact of Desmodium spp. and cutting regimes on the agronomic and economic performance of Desmodium–maize intercropping system in western Kenya von Kifuko-Koech, M., Pypers, P., Okalebo, J.R., Othieno, C.O., Khan, Z.R., Pickett, J.A., Kipkoech, A.K., Vanlauwe, B.

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Effects of Organic and Inorganic Materials on Soil Acidity and Phosphorus Availability in a Soil Incubation Study von Opala, P. A., Okalebo, J. R., Othieno, C. O.

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