Browsing School of Agriculture, Natural Resources and Environmental Studies by Title

Screening of maize single cross hybrids for tolerance to low phosphorus

Ouma, Evans Ochieng; Gudu, Samuel; Agalo, Joyce; Matonyei, Thomas; Ligeyo, Dickson (2011)

Screening of Selected Sorghum Genotypes for Resistance to Covered Kernel Smut Disease in Western Kenya

Okongo, Caroline; Ouma, Evans; Gudu, Samuel (Canadian Center of Science and Education, 2021-06-15)

Sorghum is an important food security crop for arid and semi-arid tropics but its production is hampered by many biotic and abiotic factors including covered kernel smut disease (CKSD) caused by fungus Sporosorium sorghi ...

Screening Selected Maize Single Crosses for Tolerance to Low P in Acidic Soils of Bumala and Maseno

Gudu, Samuel; Ochuodgo, J; Olung’ati, O.E,Kiplagat O. (2018)

Generally, 13% of Kenya’s arable land mass (7.5 million ha) is acidic and prone to poor phophorus (P) availability and soil acidity. This results in crop yield losses due to the direct adverse effects Aluminium toxicity ...

Seed Potato Growth, Harvest Index and Net Economic Benefit Improvement through Irrigation Water, Nitrogen and Phosphorus Management

Gathungu, Geofrey; Aguyoh, Joseph Nyamori; Isutsa, Dorcas Khasungu (Columbia International Publishing American Journal of Agricultural Science and Technology, 2016)

A study was conducted in a Rainshelter (RTrial) at Egerton University to determine the correlation between irrigation water, nitrogen (N) and phosphorus (P) application on seed potato growth, harvest index (HI) and net ...

Sequentially partitioned population attributable fraction as an estimate of impact of tick presence on infection

Gachohi, J.M.; Kitala, P.M.; sk, R.A; Kenya Agricultural Research Institute; Trypanosomiasis Research Center; Muguga (2015-08-21)

he impact of Rhipicephalus appendiculatus tick presence (exposure) on Theileria parva infection seroprevalence (outcome) on a farm was assessed in a group of cattle using population attributable fractions (PAF). The ...

Shifts in the food of Nile tilapia, Oreochromis niloticus (L.) in Lake Victoria, Kenya

Njiru, M.; Owuor, J. B. Okeyo; Muchiri, M.; Cowx, I. G. (African Journal of Ecology, 2004)

Studies of the food of introduced Nile tilapia, Oreochromis niloticus (L.) with respect to size, habitat and season were conducted between November 1998 and October 2000 in Kenyan waters of Lake Victoria. Stomach contents ...

Socio-economic Determinants of Sugarcane Soybean Intercropping among Smallholder Farmers in Awendo Sub-County, Kenya

Ouko, Kevin Okoth; Ogola, Robert John O.; Oketch, Modock Odiwuor; Midamba, Dick Chune; Ogweno, Peter Oyier; Nyangweso, Gaster N.; Mutonyi, Jonathan; Ng'ong’a, Charles Adino; Muteti, Francisca Ndinda (Asian Journal of Agricultural Extension, Economics & Sociology, 2022-11-01)

Global climate change and decreases in available land are significant challenges humans currently face. Alternative management approaches for sugarcane fields have great potential to help mitigate these problems in ...

Soil Incorporated Plant Residues and Nemacur affected Weed Population and Soil Nitrogen Dynamics in Asclepia Field

Aguyoh, Joseph Nyamori; Kagai, Kenneth; Tunya, Geoffrey (International Journal of Agricultural and Food Research, 2013)

Field trials were conducted for two seasons in 2006 and 2007 to test the effect of Tagetes patula, Lantana camara, Tephrosia vogelii, Azadirachta indica and Nemacur on the growth of asclepiad, soil pH, and soil nitrogen ...

Soil moisture levels affect growth, flower production and yield of cucumber

Aguyoh, Joseph Nyamori; Odhiambo, Judith Achieng (2022)

Field trial to determine the optimum soil moisture level for enhanced performance of cucumber was conducted in polyethylene covered rain shelter for two seasons in 2017 and repeated in 2018. The research was conducted at ...

Soil organic carbon content under different land uses in the mt. elgon ecosystem, Kenya

Okwuosa, Elizabeth A; Makokha, Michael M.; Keter, Peter; Roba, Adano W.; Owuor, J.B. Okeyo; Mwima, Polycarp; Yabann, Wilson; Agasha, Annah (Research gate, 2011-10)

This study compared total soil organic carbon in soils from a mature primary undisturbed 30- year old forest with that from 5-year old secondary forest plantation and 20-year old coffee plantation in Cheptais forest of ...

Some aspects of the biology and life-history strategies of Oreochromis variabilis (Boulenger 1906) in the Lake Victoria Basin

Maithya, J; Njiru , Moses; Owuor, J. B. Okeyo; Gichuki, J (Blackwell Publishing Asia Pty Ltd, 2012)

Oreochromis variabilis (Boulenger), a fish species endemic to Lake Victoria, was abundant, forming an important component of the indigenous fisheries stocks before and up to the late-1950s. Catches declined drastically ...

The status of pesticide usage in East Africa

Mbakaya, Charles; Ngowi, Aiwerasia Vera (Research Gate, 1994)

The assumption proposed by Gallo in 1984 that the cause of AIDS is infection with HIV was founded on the correlation between detection of antibodies to this virus and the onset of AIDS. This view became generally accepted, ...

A Survey of the Influence of Family Nature, Peer Association and Gender on Academic Performance: A Case of Kisii Municipality

Odiwuor, Florence; Anunda, Henry (American International Journal of Contemporary Research, 2014-05)

The study was carried out in Kisii municipality of south western Kenya. The objectives of the study were to examine the relationships between pupil’s family nature and academic performance; the relationship between peer ...

Teaching and Learning Resources as Determinants of Students Academic Performance in Secondary Agriculture, in Rachuonyo North Sub County, Kenya

Ogweno, Peter Oyier (International Journal of Advanced Research, 2015-09)

In the last decade, performance of students in Rachuonyo North Sub County has taken a downward trend in the national examination, Kenya Certificate of Secondary Education (KCSE).This downward trend is particularly seen in ...