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1

Available technologies to replenish soil fertility in East Africa

J. R. Okalebo, C. O. Othieno, P. L. Woomer, N. K. Karanja, J. R. M. Semoka, M. A. Bekunda, D. N. Mugendi, R. M. Muasya, A. Bationo, E. J. Mukhwana

Journal:

Nutrient Cycling in Agroecosystems

Year:

2006

Language:

english

File:

PDF, 293 KB

english, 2006

2

PHOSPHORUS AVAILABILITY AS AFFECTED BY THE APPLICATION OF PHOSPHATE ROCK COMBINED WITH ORGANIC MATERIALS TO ACID SOILS IN WESTERN KENYA

WAIGWA, M. W., OTHIENO, C. O., OKALEBO, J. R.

Journal:

Experimental Agriculture

Year:

2003

Language:

english

File:

PDF, 110 KB

english, 2003

3

Planning of Kampala City 1903--1962: The Planning Ideas, Values, and Their Physical Expression

Omolo-Okalebo, F., Haas, T., Werner, I. B., Sengendo, H.

Journal:

Journal of Planning History

Year:

2010

Language:

english

File:

PDF, 1011 KB

english, 2010

4

Pharmacological evidence for the folk use of Nefang: antipyretic, anti-inflammatory and antinociceptive activities of its constituent plants

Tarkang, Protus Arrey, Okalebo, Faith A., Siminyu, Juma D., Ngugi, William N., Mwaura, Amos M., Mugweru, Jackson, Agbor, Gabriel A., Guantai, Anastasia N.

Journal:

BMC Complementary and Alternative Medicine

Year:

2015

Language:

english

File:

PDF, 617 KB

english, 2015

5

Comparison of phosphate rock and triple superphosphate on a phosphorus‐deficient Kenyan soil

Mutuo, Patrick K., Smithson, Paul C., Buresh, Roland J., Okalebo, Robert J.

Journal:

Communications in Soil Science and Plant Analysis

Year:

1999

Language:

english

File:

PDF, 868 KB

english, 1999

6

Point prevalence survey of antibiotic use and resistance at a referral hospital in Kenya: findings and implications

Okoth, Caleb, Opanga, Sylvia, Okalebo, Faith, Oluka, Margaret, Baker Kurdi, Amanj, Godman, Brian

Journal:

Hospital Practice

Year:

2018

Language:

english

File:

PDF, 1.05 MB

english, 2018

7

Maize Response to Three High Analysis Phosphate Fertilizers in Some Soils of East Africa

Journal:

East African Agricultural and Forestry Journal

Year:

1977

Language:

english

File:

PDF, 1.52 MB

english, 1977

8

Maize (Zea mays L.) Response to Secondary and Micronutrients for Profitable N, P and K Fertilizer Use in Poorly Responsive Soils

Njoroge, Ruth, Otinga, Abigael N., Okalebo, John R., Pepela, Mary, Merckx, Roel

Journal:

Year:

2018

Language:

english

File:

PDF, 6.56 MB

english, 2018

9

Response of Sorghum to Fertilizer Nitrogen and Phosphorus in Semi-Arid Areas of Machakos and Kitui Districts in Kenya

Okalebo, J. R., Keter, J. K. A., Ssali, H.

Journal:

East African Agricultural and Forestry Journal

Year:

1989

File:

PDF, 961 KB

1989

10

Potential impact of agroforestry on soil nutrient balances at the farm scale in the East African Highlands

K. D. Shepherd, E. Ohlsson, J. R. Okalebo, J. K. Ndufa

Journal:

Nutrient Cycling in Agroecosystems

Year:

1995-1996

Language:

english

File:

PDF, 940 KB

english, 1995-1996

11

Commercial rhizobial inoculants significantly enhance growth and nitrogen fixation of a promiscuous soybean variety in Kenyan soils

Moses Thuita, Pieter Pypers, Laetitia Herrmann, Robert John Okalebo, Caleb Othieno, Esther Muema, Didier Lesueur

Journal:

Biology and Fertility of Soils

Year:

2012

Language:

english

File:

PDF, 337 KB

english, 2012

12

Coppicing improved fallows are profitable for maize production in striga infested soils of western Kenya

Abednego Kiwia, Moses Imo, Bashir Jama, John R. Okalebo

Journal:

Agroforestry Systems

Year:

2009

Language:

english

File:

PDF, 357 KB

english, 2009

13

Influence of improved fallow systems and phosphorus application on arbuscular mycorrhizal fungi symbiosis in maize grown in western Kenya

Mary Nyawira Muchane, Bashir Jama, Caleb Othieno, Robert Okalebo, David Odee, Joseph Machua, Jan Jansa

Journal:

Agroforestry Systems

Year:

2010

Language:

english

File:

PDF, 328 KB

english, 2010

14

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

H. Anyanzwa, J. R. Okalebo, C. O. Othieno, A. Bationo, B. S. Waswa, J. Kihara

Journal:

Nutrient Cycling in Agroecosystems

Year:

2010

Language:

english

File:

PDF, 220 KB

english, 2010

15

Effect of organic and inorganic phosphorus sources on maize yields in an acid soil in western Kenya

P. A. Opala, J. R. Okalebo, C. O. Othieno, P. Kisinyo

Journal:

Nutrient Cycling in Agroecosystems

Year:

2010

Language:

english

File:

PDF, 235 KB

english, 2010

16

Terpurinflavone: An antiplasmodial flavone from the stem of Tephrosia Purpurea

Wanyama P. Juma, Hoseah M. Akala, Fredrick L. Eyase, Lois M. Muiva, Matthias Heydenreich, Faith A. Okalebo, Peter M. Gitu, Martin G. Peter, Douglas S. Walsh, Mabel Imbuga, Abiy Yenesew

Journal:

Phytochemistry Letters

Year:

2011

Language:

english

File:

PDF, 165 KB

english, 2011

17

Photosynthetic performance of invasive Pinus ponderosa and Juniperus virginiana seedlings under gradual soil water depletion

S. Bihmidine, N. M. Bryan, K. R. Payne, M. R. Parde, J. A. Okalebo, S. E. Cooperstein, T. Awada

Journal:

Year:

2010

Language:

english

File:

PDF, 297 KB

english, 2010

18

Efficiency of different formulations ofBradyrhizobium japonicumand effect of co-inoculation ofBacillus subtiliswith two different strains ofBradyrhizobium japonicum

Atieno, Mary, Herrmann, Laetitia, Okalebo, Robert, Lesueur, Didier

Journal:

World Journal of Microbiology and Biotechnology

Year:

2012

Language:

english

File:

PDF, 455 KB

english, 2012

19

PREP-PAC: a nutrient replenishment product designed for smallholders in western Kenya

Paul L Woomer, J.Robert Okalebo, Henry K Maritim, Pamela A Obura, Francis M Mwaura, Patrick Nekesa, Eusebius J Mukhwana

Journal:

Agriculture, Ecosystems & Environment

Year:

2003

Language:

english

File:

PDF, 221 KB

english, 2003

20

On farm testing of integrated nutrient management strategies in eastern Uganda

A.O. Esilaba, J.B. Byalebeka, R.J. Delve, J.R. Okalebo, D. Ssenyange, M. Mbalule, H. Ssali

Journal:

Agricultural Systems

Year:

2005

Language:

english

File:

PDF, 241 KB

english, 2005

21

Occurrence and genetic diversity of phosphate-solubilizing bacteria in soils of differing chemical characteristics in Kenya

Keziah W. Ndung’u-Magiroi, Laetitia Herrmann, John Robert Okalebo, Caleb O. Othieno, Pieter Pypers, Didier Lesueur

Journal:

Annals of Microbiology

Year:

2012

Language:

english

File:

PDF, 255 KB

english, 2012

22

Partial substitution of phosphorus fertiliser by farmyard manure and its localised application increases agronomic efficiency and profitability of maize production

A.N. Otinga, P. Pypers, J.R. Okalebo, R. Njoroge, M. Emong’ole, L. Six, B. Vanlauwe, R. Merckx

Journal:

Field Crops Research

Year:

2013

Language:

english

File:

PDF, 912 KB

english, 2013

23

The impact of Desmodium spp. and cutting regimes on the agronomic and economic performance of Desmodium–maize intercropping system in western Kenya

M. Kifuko-Koech, P. Pypers, J.R. Okalebo, C.O. Othieno, Z.R. Khan, J.A. Pickett, A.K. Kipkoech, B. Vanlauwe

Journal:

Field Crops Research

Year:

2012

Language:

english

File:

PDF, 621 KB

english, 2012

24

In vitro and in vivo antioxidant potential of a polyherbal antimalarial as an indicator of its therapeutic value

Tarkang, Protus Arrey, Atchan, A.P. Nwakiban, Kiuate, J., Okalebo, F.A., Agbor, G.A., Guantai, A.N.

Journal:

European Journal of Integrative Medicine

Year:

2014

Language:

english

File:

PDF, 162 KB

english, 2014

25

Biological Suppression of Velvetleaf ( Abutilon theophrasti ) in an Eastern Nebraska Soil

Okalebo, Jane, Yuen, Gary Y, Drijber, Rhae A, Blankenship, Erin E, Eken, Cafer, Lindquist, John L

Journal:

Year:

2011

Language:

english

File:

PDF, 105 KB

english, 2011

26

Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya

Opala, Peter Asbon, Okalebo, John Robert, Othieno, Caleb

Journal:

Archives of Agronomy and Soil Science

Year:

2013

Language:

english

File:

PDF, 155 KB

english, 2013

27

Minjingu phosphate rock applications increase the population of phosphate solubilising microorganisms with a positive impact on crop yields in a Kenyan Ferralsol

Ndungu-Magiroi, Keziah Wairimu, Waswa, Boaz, Bationo, Andre, Okalebo, John Robert, Othieno, Caleb, Herrmann, Laetitia, Lesueur, Didier

Journal:

Nutrient Cycling in Agroecosystems

Year:

2015

Language:

english

File:

PDF, 278 KB

english, 2015

28

Effect of Prep-Pac Application On Soil Properties, Maize, and Legume Yields in a Ferralsol of Western Kenya

Rutto, Emily C., Okalebo, Robert, Othieno, Caleb O., Kipsat, Mary J., Bationo, Andre, Girma, Kefyalew

Journal:

Communications in Soil Science and Plant Analysis

Year:

2011

Language:

english

File:

PDF, 245 KB

english, 2011

29

Anti-malarial activity of a polyherbal product (Nefang) during early and establishedPlasmodiuminfection in rodent models

Arrey Tarkang, Protus, Okalebo, Faith A, Ayong, Lawrence S, Agbor, Gabriel A, Guantai, Anastasia N

Journal:

Malaria Journal

Year:

2014

Language:

english

File:

PDF, 908 KB

english, 2014

30

EFFECTS OF COMBINING ORGANIC MATERIALS WITH INORGANIC PHOSPHORUS SOURCES ON MAIZE YIELD AND FINANCIAL BENEFITS IN WESTERN KENYA

OPALA, P. A., OTHIENO, C. O., OKALEBO, J. R., KISINYO, P. O.

Journal:

Experimental Agriculture

Year:

2010

Language:

english

File:

PDF, 115 KB

english, 2010

31

EFFECT OF PHOSPHATE FERTILIZER APPLICATION METHODS AND NITROGEN SOURCES ON MAIZE IN WESTERN KENYA: AN AGRONOMIC AND ECONOMIC EVALUATION

OPALA, P. A., JAMA, B. A., OTHIENO, C. O., OKALEBO, J. R.

Journal:

Experimental Agriculture

Year:

2007

Language:

english

File:

PDF, 78 KB

english, 2007

32

RESIDUAL EFFECTIVENESS OF MINJINGU PHOSPHATE ROCK AND FALLOW BIOMASS ON CROP YIELDS AND FINANCIAL RETURNS IN WESTERN KENYA

NDUNG'U, K. W., OKALEBO, J. R., OTHIENO, C. O., KIFUKO, M. N., KIPKOECH, A. K., KIMENYE, L. N.

Journal:

Experimental Agriculture

Year:

2006

Language:

english

File:

PDF, 117 KB

english, 2006

33

Cytochrome P450 2B6 genetic variants are associated with plasma nevirapine levels and clinical response in HIV-1 infected Kenyan women: a prospective cohort study

Oluka, Margaret Ngwono, Okalebo, Faith Apolot, Guantai, Anastasia Nkatha, McClelland, R Scott, Graham, Susan M

Journal:

AIDS Research and Therapy

Year:

2015

Language:

english

File:

PDF, 684 KB

english, 2015

34

EFFECT OF COMBINING ORGANIC RESIDUES WITH MINJINGU PHOSPHATE ROCK ON SORPTION AND AVAILABILITY OF PHOSPHORUS AND MAIZE PRODUCTION IN ACID SOILS OF WESTERN KENYA

KIFUKO, M. N., OTHIENO, C. O., OKALEBO, J. R., KIMENYE, L. N., NDUNG'U, K. W., KIPKOECH, A. K.

Journal:

Experimental Agriculture

Year:

2007

Language:

english

File:

PDF, 128 KB

english, 2007

35

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

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.

Journal:

Experimental Agriculture

Year:

2014

Language:

english

File:

PDF, 1.10 MB

english, 2014

36

Antioxidant Potential of a Polyherbal Antimalarial as an Indicator of Its Therapeutic Value

Arrey Tarkang, Protus, Nwachiban Atchan, Achille Parfait, Kuiate, Jules-Roger, Okalebo, Faith Apoelot, Guantai, Anastasia Nkatha, Agbor, Gabriel Agbor

Journal:

Advances in Pharmacological Sciences

Year:

2013

Language:

english

File:

PDF, 304 KB

english, 2013

37

In Vitro Antiplasmodial Activities and Synergistic Combinations of Differential Solvent Extracts of the Polyherbal Product, Nefang

Arrey Tarkang, Protus, Franzoi, Kathrin Diehl, Lee, Sukjun, Lee, Eunyoung, Vivarelli, Diego, Freitas-Junior, Lucio, Liuzzi, Michel, Nolé, Tsabang, Ayong, Lawrence S., Agbor, Gabriel A., Okalebo, Faith

Journal:

BioMed Research International

Year:

2014

Language:

english

File:

PDF, 467 KB

english, 2014

38

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

Opala, P. A., Okalebo, J. R., Othieno, C. O.

Journal:

Year:

2012

Language:

english

File:

PDF, 587 KB

english, 2012

39

SCREENING OF SESBANIA FOR TOLERANCE TO ALUMINUM TOXICITY AND SYMBIOTIC EFFECTIVENESS WITH ACID TOLERANT RHIZOBIA STRAINS IN ACID SOIL IN WESTERN KENYA

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.

Journal:

Experimental Agriculture

Year:

2009

Language:

english

File:

PDF, 81 KB

english, 2009

40

Long-term assessment of soil and water conservation measures (Fanya-juu terraces) on soil organic matter in South Eastern Kenya

Saiz, Gustavo, Wandera, Fredrick M., Pelster, David E., Ngetich, Wilson, Okalebo, John R., Rufino, Mariana C., Butterbach-Bahl, Klaus

Journal:

Year:

2016

Language:

english

File:

PDF, 1.08 MB

english, 2016

41

The Use of Manure on Smallholders' Farms in Semi-Arid Eastern Kenya

Probert, M. E., Okalebo, J. R., Jones, R. K.

Journal:

Experimental Agriculture

Year:

1995

Language:

english

File:

PDF, 604 KB

english, 1995

42

Analysis of maize–common bean intercrops in semi-arid Kenya

Pilbeam, C. J., Okalebo, J. R., Simmonds, L. P., Gathua, K. W.

Journal:

The Journal of Agricultural Science

Year:

1994

Language:

english

File:

PDF, 628 KB

english, 1994

43

Antimalarial potential and safety of the polyherbal product Nefang

Okalebo, Faith A., Ayong, Lawrence A., Nole, Tsabang, Agbor, Gabriel A., Guantai, Anastasia N.

Journal:

European Journal of Integrative Medicine

Year:

2014

Language:

english

File:

PDF, 224 KB

english, 2014

44

IDENTIFYING POTASSIUM-DEFICIENT SOILS IN KENYA BY MAPPING AND ANALYSIS OF SELECTED SITES

Kanyanjua, Shem Maina, Keter, Joseph K., Okalebo, Robert John, Verchot, Louis

Journal:

Year:

2006

Language:

english

File:

PDF, 329 KB

english, 2006

45

Ecophysiological responses of native invasive woodyJuniperus virginianaL. to resource availability and stand characteristics in the semiarid grasslands of the Nebraska Sandhills

Msanne, J., Awada, T., Bryan, N. M., Schacht, W., Drijber, R., Li, Y., Zhou, X., Okalebo, J., Wedin, D., Brandle, J., Hiller, J.

Journal:

Photosynthetica

Year:

2017

Language:

english

File:

PDF, 891 KB

english, 2017

46

Occurrence of poorly responsive soils in western Kenya and associated nutrient imbalances in maize ( Zea mays L.)

Njoroge, Ruth, Otinga, Abigael N., Okalebo, John R., Pepela, Mary, Merckx, Roel

Journal:

Field Crops Research

Year:

2017

Language:

english

File:

PDF, 717 KB

english, 2017

47

Antiplasmodial prenylated flavanonols from Tephrosia subtriflora

Muiva-Mutisya, Lois M., Atilaw, Yoseph, Heydenreich, Matthias, Koch, Andreas, Akala, Hoseah M., Cheruiyot, Agnes C., Brown, Matthew L., Irungu, Beatrice, Okalebo, Faith A., Derese, Solomon, Mutai, Cha

Journal:

Natural Product Research

Year:

2017

Language:

english

File:

PDF, 1.11 MB

english, 2017

48

A FIELD COMPARISON STUDY OF AMMONIUM PHOSPHATES AND SUPERPHOSPHATE–UREA OR AMMONIUM NITRATE ON CORN (ZEA MAYS L.) GROWTH IN FIVE QUEBEC SOILS

OKALEBO, J. R., MacKENZIE, A. F.

Journal:

Canadian Journal of Soil Science

Year:

1978

Language:

english

File:

PDF, 495 KB

english, 1978

49

Effects of Form and Method of Phosphate Fertilizer Application on Maize, Sorghum and Millet Growth in a Semi-Arid Enivironment of Kenya. I. Effect on Maize and Sorghum

Okalebo, J. R., Njuho, P. M., Gathua, K. W.

Journal:

East African Agricultural and Forestry Journal

Year:

1990

Language:

english

File:

PDF, 766 KB

english, 1990

50

Cost effectiveness of pre-referral antimalarial treatment in severe malaria among children in sub-Saharan Africa

Rakuomi, Vivian, Okalebo, Faith, Ndwigah, Stanley, Mbugua, Levi

Journal:

Cost Effectiveness and Resource Allocation

Year:

2017

Language:

english

File:

PDF, 969 KB

english, 2017

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