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Despite the ability of early maize to escape drought and provide food early, it yields 20-30% less than late maize. The challenge is to increase yield while maintaining earliness. A study is ongoing at CIMMYT, Harare to determine whether g…
Developing strategies that promote conservation agriculture in the West Usambara Mountains in Tanzania poses a particular challenge. This research used empirical and qualitative method to assess soil and landform characteristics in relatio…
In sub-Saharan Africa (SSA), breeders have the challenge of developing high yielding maize hybrids that are adapted to farmers’ conditions. This however requires knowledge on the breeding value of elite maize germplasm. Ten (10) maize inbr…
Phosphorus (P) sorption and desorption behaviour of Andisols of Siha - Kilimajaro and Ultisols of Magadu -Morogoro, Tanzania was studied in pot experiments. This was to facilitate development of P management strategies for enhanced maize p…
Many soil fertility amelioration technologies exist in western Kenya, but the factors that influence the adoption, and the economic returns of these technologies needs to be assessed. In this study, the value cost ratios (VCR) of five diff…
Barley is an important cash crop for resource-poor farmers in Tigray region of northern Ethiopian where options are very limited, and barley is often the only possible crop. Biotic stresses plus a harsh environment have contributed to low …
Increasing soil acidity is a major cause of low soil fertility in western Kenya where about 57,670 hectares is acidic. While liming can increase soil pH, the most appropriate method of application needs to be determined. This study aimed a…
Passion fruit (Passiflora spp.) is an important cash crop in Kenya. In the recent past, diseases have increasingly reduced its production with yield losses ranging from 50 – 100%. Dieback is a recently emerged disease that is highly virule…
Cassava brown streak disease (CBSD) is a major constraint to cassava production in East Africa. It is caused by at least two single stranded (+) RNA viruses (CBSV and CBSUV). To date, only a few genetic sources of resistance to the disease…
A glasshouse experiment was conducted at Sokoine University of Agriculture to compare the effects of Minjingu Phosphate Rock (MPR) and Triple Super Phosphate (TSP) on Residual Phosphorus in an Ultisol. The soil was collected after seven ye…
The soil water retention-release characteristics (SWRC) are essential to understand water redistribution in agricultural systems. However, direct measurements of SWRC are constrained by costs, scarcity of equipment and time. Pedotransfer f…
This study seeks to contribute to increased productivity of hot pepper (Capsicum chinense) by incorporating an integrated pest management (IPM) package for root rot/wilt disease (Phytophthora capsici). Pathogen host diversity will be deter…
Optimal combinations of organic and inorganic fertilizers can give rise to increased maize yields in nutrient depleted soils. In this study, we assessed the effectiveness of cowpea residues and combinations of inorganic fertilizers on maiz…
Maize ear rots are a major constraint to maize production globally, and yield loses of up to 70% have been reported in Uganda. Developing varieties resistant to ear rots is a practical strategy that provides better insurance for the small …
A study is on-going in Kenya to identify Acacia senegal varieties with high symbiotic biological N2 fixation capacity. Balanites aegyptica, a non-legume species, has been included for comparison. Variety senegal has so far shown the highes…
Successful consistent revegetation of drastically disturbed areas throughout the world has been achieved using biological “tools” including mycorrhizal fungus inoculated tree seeds, seedlings, native shrubs, and grass species. However, the…
This study assessed options for use of tied-ridges for on-farm water harvesting in Swaziland. Results showed that farmers in sandy and loamy soils need different sizes of ridges, 4 m and 2 m, respectively.
Fusarium Head Blight (FHB) is a serious disease in all wheatgrowing areas in the world. FHB affects wheat by reducing yield and grain quality. Our objective is to characterize the relationship between FHB and grain yield. Three soft red wi…
Wheat is an important staple crop in East Africa whose consumption outweighs its production partly due to the emergence of a virulent strain of Puccinia graminis fsp tritici, strain ug99 that cause stem rust disease. A study was carried ou…
Banana is an important crop whose production faces major challenges, especially pests and diseases. A banana pests survey was carried out in Eastern and Central Provinces of Kenya. Results showed Fusarium wilt as the most widespread diseas…
In Uganda, bean is a food security and income sourcing crop, particularly for the rural poor. The highlands of southwestern Uganda are major producers and consumers of the crop. The arable soils in the highlands bordering Rwanda and DR Con…
Tomato is the most popular vegetable in the home garden all over the World as well as in Mozambique. Tomato production in Mozambique has been recently affected by Tomato curl stunt virus (ToCSV) disease, a devastating viral disease that is…
The overall objective of this study was to characterize selected sorghum varieties for Aluminium (Al) tolerance. The specific objectives were to determine performance of selected sorghum varieties grown in Al prone environments, identify r…
This study aims at mapping changes in landuse in the Lake Tanganyika micro-catchments in the Democratic Republic of Congo. It also aimed at assessing the level of pollution of L. Tanganyika resulting from offloaded material and nutrients f…
This study is assessing soil fertility status in Mbeya region of Tanzania in terms of adequacy for crop growth and crop nutrient status in terms of human nutrition. It will examine levels of macro and micronutrient. The study has just been…
