Browsing RP-Department of Agricultural Resource Management by Issue Date

Maize yields Response to application of organic and inorganic input under on-station and on-farm experiments in Central Kenya

Mugendi, D.N.; Mugwe, J. N.; Kung'u, J.B.; Mucheru-Muna, M. (Experimental Agriculture, 2008-12)

This study investigated the feasibility of using sole organics or a combination of organics with inorganic fertilizer to improve maize production in on-station and on-farm experiments in central Kenya. In the on-station ...

A comparative study in direct cryopreservative efficacy between Triladly® and EDTA saline glucose 10% glycerol cryopreservative media for human and non-human infective trypanosomes

Munga, L.K.; Ndungu, K.; Gitonga, P.; Mulinge, M.; Kangethe, J.; Kibugu, J.K.; Maina, N.; Kagira, J.M.; Ngae, G.N.; Murilla, G. (National Research Center for Protozoan Diseases, 2009)

The efficacy of Triladyl®, a commercial cryomedium for bull semen, in the cryopreservation of both human and animal infective trypanosomes as compared to EDTA Saline Glucose (ESG) 10% glycerol was evaluated in the current ...

The Potential of Morning and Afternoon Supplementation of Scavenging Chickens on Diets with Varying Energy and Protein Levels.

Kabuage, L.; Okitoi, L.O.; Muinga, R.W.; Badamana, M.S. (Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria, 2009)

The effects of supplementing different diets with varying levels of energy and protein either in the morning or afternoon were assessed. 384 scavenging indigenous chickens aged 14 weeks were allocated to four treatment diets: ...

Legume–Wheat Rotation Effects on Residual Soil Moisture, Nitrogen and Wheat Yield in Tropical Regions

Danga, B. O.; Wakindiki, I. I. C.; Ouma, J. P.; Bar-Tal, A. (Elsevier, 2009)

Grain legumes grown in rotation with annual cereal crops contribute to the total pool of nitrogen in the soil and improve the yields of cereals. However, the anticipated N benefits of the legume may be positive or negative ...

The Performance Response of Scavenging Chickens to Nutrient Intake from Scavengeable Resources and from Supplementation with Energy and Protein

Kabuage, L.; Okitoi, L.O.; Muinga, W.; Badamana, R.W. (Centro para la Investigación en Sistemas Sostenibles de Producción Agropecuaria, 2009)

An experiment conducted under farm conditions and management determined the daily supplemental intake, performance and nutrient specifications of scavenging chickens supplemented with energy and protein either alone ...

Validation of daily growth of African catfish Clarias gariepinus (Burchell 1822) young-of-the-year from Lake Baringo, Kenya

Nyamweya, Chrisphine Sangara; Mlewa, Chrisestom Mwatete; Ngugi, Charles C.; Kaunda-Arara, Boaz (Wiley Online Library, 2010)

The African catfish (Clarias gariepinus) is widely distributed in Africa, where it is a major food fish. The species comprises a significant component of commercial fishery landings in Kenya, and elsewhere in Africa. ...

Analysis of the use of credit facilities by small-scale fish farmers in Kenya

Kwamena, K. Quagrainie; Ngugi, Charles C.; Amisah, Stephen (Springer, 2010)

The government of Kenya encourages aquaculture development by offering credit facilities through the government agricultural finance institution, Agriculture Finance Corporation. Nevertheless, the level of credit use in ...

Mineral Nitrogen and Microbial Biomass Dynamics under Different Acid Soil Management Practices for Maize Production

Mochoge, B. O.; Lelei, Joyce J.; Onwonga, Richard N. (Canadian Center of Science and Education, 2010-03)

Field and laboratory incubation studies were conducted to determine the effect of different acid soil management practices; liming (L), combined N and P fertilizers (NP), and goat manure (M) application, for maize production ...

Radiometric Assessment of Natural Radioactivity Levels around Mrima Hill, Kenya

Kebwaro, J. M.; Rathore, I. V.; Hashim, N. O.; Mustapha, A. O. (International Journal of the Physical Sciences, 2011-03-10)

Mrima Hill, located in the South coast of Kenya is known for high natural background radiation, due to the presence of radiogenic heavy minerals such as monazites and carbonatites. The activity 23823240 concentration ...

Adoption potential of selected organic resources for improving soil fertility in the central highlands of Kenya

Mugendi, D.N.; Mugwe, J. N.; Mucheru-Muna, M.; Kung'u, J.B.; Bationo, Andre; Mairura, Franklin (Agroforestry Systems, 2012-01-04)

Soil fertility decline is the major cause of declining crop yields in the central highlands of Kenya and elsewhere within the African continent. This paper reports a study conducted to assess adoption potential of two ...

Unravelling beneficial impact of Nitrogen, carbon and water dynamics in mulch-based systems on crop productivity in heterogeneous biophysical environment of the Central Kenyan highlands

Ngetich, K. F. (2012-03-16)

Impact assessment Diamondback Moth Bio-control Project for Eastern and Southern Africa.

Macharia, Ibrahim (2012-04-12)

Trypanotolerance in N’Dama x Boran crosses under natural trypanosome challenge: Effect of test-year environment, gender, and breed composition

Munga, L.K.; Orenge, C.O.; Kimwele, C.N.; Kemp, S.; Korol, A.; Gibson, J.P.; Hanotte, O.; Soller, M. (BioMed Central, 2012-10-17)

Background Trypanosomosis, a protozoal disease affecting livestock, transmitted by Glossina (tsetse) flies is a major constraint to agricultural production in Sub-Saharan Africa. It is accepted that utilization of the ...

Effects of Unburned Lime on Soil pH and Base Cations in Acidic Soil

Mugwe, J. N.; Nduwumuremyi, Athanase; Ruganzu, V.; Rusanganwa, A. C. (Hindawi Publishing Corporation, 2013)

Sustainable agriculture is threatened by the widespread soil acidity in many arable lands of Rwanda. The aim of this study was to determine the quality of unburned limes and their effects on soil acidity and base cations ...

Soil acidification and lime quality: sources of soil acidity, its effects on plant nutrients, efficiency of lime and liming requirements

Athanase, N.; Vicky, R.; Mugwe, J. N.; Sylvestre, H. (Sjournals, 2013)

Agriculture sectors support economy of most developing countries. In Sub-Sahara Africa, the agriculture is predominantly based on rain-fed agricultural production of small, semi-subsistence, and increasingly fragmented ...

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

Ogola, B. O.; Kisinyo, P. O.; Othieno, C. O.; Gudu, S. O.; Okalebo, J. R.; Opala, P. A.; Maghanga, J. K.; Ng’etich, W. K.; Agalo, J. J.; Opile, R. W.; Kisinyo, J. A. (Canadian Center of Science and Education, 2013)

In Kenya, maize (Zea mays L.) is mainly grown on acid soils in high rainfall areas. These soils are known for low available phosphorus (P), partly due to its sorption by aluminium (Al) and iron oxides. The study determined ...

The Effects of Manure, Lime and P Fertilizer on N Uptake and Yields of Soybean ( Glycine max (L.) Merrill) in the Central Highlands of Kenya

Mugwe, J. N.; Verde, B.S.; Danga, B. O. (David Publishing, 2013)

Soybean (Glycine max (L.)) is one of the most important legume crops being introduced in the CHK (Central Highlands of Kenya) expected to increase yields. However, low levels of soil N (nitrogen) and other plant nutrients ...