School of Agriculture and Food Security: Recent submissions
Now showing items 301-320 of 427
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The effect of minjingu phosphate rock and triple superphosphate on soil phosphorus fractions and maize yield in Western Kenya
(Hindawi, 2014)We tested the effects of triple superphosphate (TSP) and Minjingu phosphate rock (MPR), when applied at phosphorus (P) rates of 50 or 250 kg P ha−1 in a factorial combination with urea or Tithonia diversifolia green manure ... -
Effects of lime and fertilizer on soil properties and maize yields in acid soils of Western Kenya
(Academic Journals, 2018-03-29)Many soils in Western Kenya are acidic and deficient in nitrogen and phosphorus. Acidity hinders crop responses to fertilizers applied to remedy nutrient deficiencies. The common liming materials used to ameliorate acidity ... -
Effects of Tithonia diversifolia, farmyard manure and urea, and phosphate fertiliser application methods on maize yields in western Kenya
(2015-04-21)Maize production in western Kenya is often limited by deficiencies of nitrogen and phosphorus. We assessed the effectiveness of Tithonia diversifolia green manure (tithonia), farmyard manure (FYM) and urea as sources of ... -
Recent advances towards understanding and managing Kenyan acid soils for improved crop production
(African Journal of Agricultural Reseach, 2014-06-18)This review focused on the efforts made to understand and manage Kenyan acid soils by use of inorganic, organic materials (OMs) and crop germplasms tolerant to soil aluminium (Al) toxicity and/or low soil available phosphorus ... -
Comparison of effects of phosphorus sources on soil acidity, available phosphorus and maize yields at two sites in western Kenya
(Taylor & Francis, 2013-03-01)The effects of farmyard manure (FYM), Tithonia diversifolia (tithonia) and urea when applied alone or in combination with Minjingu phosphate rock (MPR), Busumbu phosphate rock (BPR) or triple superphosphate (TSP) on soil ... -
Symbiotic efficiency of native rhizobia nodulating common bean (Phaseolus vulgaris L.) in soils of Western Kenya
(Hindawi, 2014)This study was conducted to determine the abundance and symbiotic efficiency of native rhizobia nodulating common bean in Kisumu and Kakamega, Kenya. Soil sampling was carried out in three farms that had been used for ... -
Effect of nitrogen sources on the yield of common bean (Phaseolus vulgaris) in western Kenya
(Taylor & Francis, 2018-08-09)Depletion of soil nutrients due to continuous cultivation without adequate external fertilization is one of the challenges facing many smallholder farmers in western Kenya. This study was conducted to assess the effects ... -
Genetic diversity of symbiotic bacteria nodulating common bean (Phaseolus vulgaris) in western Kenya
(Public Library of Science, 2018-11-15)Biological nitrogen fixation (BNF) in legumes plays a critical role in improving soil fertility. Despite this vital role, there is limited information on the genetic diversity and BNF of bacteria nodulating common bean ... -
Response of Sorghum (Sorghum bicolor (L.) Munch) and Chemical Characteristics of Soil to Organic and Inorganic Fertilizers on Kenyan Lower Midlands Acid Soil
(International Journal of Plant & Soil Science, 2019-05-17)Soil acidity, low level of nitrogen (N), phosphorus (P) and soil organic matter are major constraints to sorghum production in Kenya. We investigated the effect of farmyard manure (FYM) and combined application of inorganic ... -
NITROGEN SOURCES AND THEIR EFFECTS ON NITROUS OXIDE EMISSION AND MAIZE YIELD IN WESTERN KENYA.
(2019-09-01)This study assessed the effect of applying inorganic or organic sources of nitrogen, or their combination, on N2O emission, maize yield and Nitrogen Use Efficiency (NUE) at Nyakach, a lowland and Soin, a highland in western ... -
Effect of land preparation and weeding on maize (Zea mays) grain yields in the coastal region of Kenya
(Taylor & Francis Group, 1993-01-01)A field study was conducted at the Regional Research Centre, Mtwapa and at the Msabaha subcentre in Kilifi District of Coast Province, Kenya between 1986 and 1989. The objective of this study was to investigate the effects ... -
Long-term effects of fertility and hand-weeding on Striga in maize.
(1994)Tanzania has recently embarked into a period of liberalisation which is undoubtedly having an impact on the agricultural sector. The effects of liberalisation are feeding through to the animal feeds sector, which is ... -
The prevalence of anxiety and depression symptoms and syndromes in Kenyan children and adolescents
(Taylor & Francis Group, 2008-08-01)Background: Community studies on children and adolescents in Western settings suggest prevalence rates of anxiety and depressive symptoms that require intervention. Aim: To establish equivalent prevalence rates in a Kenyan ... -
Effect of intercropping maize and beans on Striga incidence and grain yield. Integrated Approaches to Higher Maize Productivity in the New Millennium.
(2002)^ AIntercrops can smother weeds in cereal crops and improve the overall productivity. Although intercropping with beans has long been practised in the region, a practical bean population and arrangement is required in the ... -
Transposons and tolerance; teh identification of genes for Striga tolerance in maize. Integrated Approaches to Higher Maize Productivity in the New Millennium.
(2002)^ AStriga is one of the most severe constraints to cereal production in areas of the semi-arid tropics of Africa where subsistence agriculture is predominant. The development of Striga tolerant or resistant germplasm has ... -
Development and diffusion of integrated Striga control practices for small-scale farmers in western Kenya
(Centro Internacional de Agricultura Tropical (CIAT), Participatory Research and Gender Analysis Program (PRGA), 2002)The parasitic weed Striga hermonthica has become one of the most significant constraints to cereal production in western Kenya. In 1995 a collaborative project among CIMMYT, the University of Hohenheim (UH) and the Kenyan ... -
Isolation of rhizobacteria associated with maize and assessment of their potential for use in Striga hermonthica (Del.) Benth. suicidal germination
(2004-11-23)A screen-house pot experiment with commercial hybrid maize variety H511 was conducted at Kenya Sugar Research Foundation, Kisumu sub-station; Kenya. The experimental soil was infested with Striga hermonthica (Del.) Benth. ... -
Striga emergence and seed bank dynamics under different maize management practices in Western Kenya
(African Crop Science Society, 2005)