Environmental & Physical Sciences

Environmental & Physical Sciences Research Papers/Topics

Effects of Agricultural Green Revolution on Farmers of Ngoma District, Rwanda

ABSTRACT  In general, green revolution of agriculture began in 1943 in the crop land of Mexico to aid in the nationals’ industrial development and economic growth. In 1984 agriculture green revolution have been advanced in African countries and the progress has been slow. Through the application of agriculture green revolution, in 2009, Rwanda, for the first time, saw the production of crops exceed the consumption needs. Although there is a high production of crops in Rwanda today, particu...

Adoption of Inorganic Fertilizer for Crop Production by Local Communities in Soroti District, Uganda

ABSTRACT  In modern agriculture, inorganic fertilizers are commonly being used to supplement soil nutrients, to promote plant growth, to increase crop productivity and also improve food quality. Fertilizer adoption in Uganda in small holder agriculture is among the lowest in comparison with other Sub-Sahara African countries. This study was carried out to investigate the adoption of inorganic fertilizers for crop production in Soroti district by identifying the common types of inorganic fert...

Organic Matter Fuel Briquettes as an Alternative to Charcoal: An Initiative for Forest Conservation

ABSTRAa Biomass briquettes, made by compacting biomass waste, have a wide variety of uses from househoid to institutional and industrial fuels but have not been fully exploited as a fuel source in the past. The overall objective of this study was to generate information on organic biomass fuel briquettes that can be utilized as an alternative fuel to unsustainable wood charcoal in order to conserve Uganda’s forest resources. Questionnaires, face-to-face Interviews and experiñients were uà...

THE USE OF PUBLIC TRANSPORT SERVICES BY RESIDENTS IN THE ACCRA METROPOLITAN AREA

Public transport is crucial for the growth of any economy and trade, both of which are highly dependent on the conveyance of people and goods. However, there is, in many cities of developing countries, a major challenge of adjusting the existing system of mobility to the evolving transportation needs of the people. The situation in the Accra Metropolitan area provides a template of the circumstance in most of these city-regions. Against this backdrop, the study investigated the use of public ...

Assessment Of Urban Potable Water Availability and Accessibility in Kigali City, Rwanda

ABSTRACT There is insufficient freshwater in the world for everyone’s essential personal and domestic needs (Johns, 1998). However, lack of distribution nei:works and working systems to extract groundwater or harvest rainwater; exclusion from these services or facilities; inequitable allocation of water resources; and pollution, limit people’s access to sufficient clean water. Large numbers of households in cities around the developing world do not have access to safe drinking water. This...

Assessment Of Wastewater Quality in Nyabugogo Stream Kigali, Rwanda

ABSTRACT The study assessed the characteristics of wastewater of Nyabugogo stream highlighting on their sources and the nature of contaminants they constitute as Chemical and Physio-chemical. It was anticipated that the water in the stream had high levels of both solid and liquid contaminants originating from domestic and industrial activities and wastewater discharges into the stream. The objectives of the study were to assess the nature of contaminants in the wastewater discharged into Nya...

Medicinal Plant Use in and Around Kibangu Forest Kinondoni District Dar-es-salaam, Tanzania.

ABSTRACT This study examines medicinal plants and the extent to which they are used in meeting heath care needs in Kinondoni District, Kibangu Forest reserve in Tanzania. It aimed at documenting the most common Medicinal Plants (MP) in order to generate necessary data on knowledge, beliefs and accessibility of the community to assess whether they may be among the determinants for using medicinal plants. A questionnaire survey, market survey, literature review and observations were used to col...

Biogas Production from Organic Solid Wastes in Kampala City, Uganda

ABSTRACT Biogas refers to a gas produced by the biological breakdown of organic matter in the absence of oxygen. Organic waste such as dead plant and animal materials, animal dung, and kitchen waste can be converted into biogas. The main objective of the study was to find out how biogas production process is well known by the local communities in Kampala, Uganda. The specific objectives were to find out the potential organic solid wastes used for biogas production, establish the benefits of u...

The Role of Soil Conservation in Promoting Agriculture Production in Maswa District, Shinyanga -Tanzania

ABSTRACT This research study conducted in Maswa district. The overall objective of this study was to finding out the impacts of soil conservation practices in promoting agriculture production in Maswa district. The problem investigated by the researcher in this study was poor management practices of soil conservation in Maswa district and to suggest a better way of increasing sustainable soil use and crop production. The researcher used face to face interviews using questionnaires and intervi...

The Impact of Slum Development On Wetlands. A Case Study of Namuwongo Slum, Kampala, Uganda.

ABSTRACT In a bid to address the impact of slum development on the wetlands many organizations have developed mechanisms aimed at reducing on the rate of slum development but several measures still need to be put in place as well as elevate the lives of the people living in the slum areas for example the building of a better drainage system, provision of safe drinking water, sensitization on better sanitation practices thus creating a favorable living atmosphere. The main objective of this re...

Efficiency Of Municipal Solid Waste Management: The Case Study of Bor Town Area, South Sudan

ASBTRACT The study sought to identify the existing methods of solid waste management and ascertain the effect of social and economic factors on efficiency of solid waste management. The study was carried out primarily through survey method and interview of Bor municipal council (BMC) and households in Bor Town. Inadequate dustbins supply was a major factor affecting waste disposal in Bor Town especially among the low class residential areas. The survey established that about 86.82 per cent of...

Sudan University of Science and Technology College of Graduate Studies and Scientific Research

Abstract This study has been carried out in Radiation and Isotopes Center of Khartoum and Khartoum hospital, it, s aim was to the assessment of the effect of radiation in Blood Components from Tc-99m/MDP Bone Scintigraphy, such as the effects in WBCs, RBCs, PLT, HCT, MCV, LYM and HGB in addition to geographical distribution of cancer and highlighting the most common cancer in Sudan. The study conducted on 50 patients (50) as 76% female and 24 % male with different ages that candidate to the b...

The Effectiveness of Community Participation On Biodiversity Conservation in Serere Local Forest in Olio Sub-County, Serere District.

ABSTRACT The importance of biodiversity cannot be overemphasized. Thus, the study assesses the effectiveness of community participation in biodiversity conservation in Serere Sub-county Local Forest Reserve in Serere District in Uganda. Data were collected through primary and secondary data employing questionnaire and interviews. Through the study, it was revealed that the major human activities that impact on the biodiversity of the study area were hunting, fuel wood harvesting, cattle grazi...

The Impact of Human Activities on the Lake Ecosystem A Case Study of Lake Victoria Shore, Nyando Division, Kisumu District-Kenya

ABSTRACT  The study was to investigate how human activities along Lake Victoria shores in Nyando division, have led to resources degradation, and to come up with solutions to reduce such effects on the lake ecosystem. The main objective was to determine the effects of human activities on the people and the aquatic environment along Lake Victoria shores in Nyando division-Kisumu~ Kenya. The methods used for data collection involved both qualitative and ,quantitative techniques. Questionnaires...

Grazing Effects on The Riparian Vegetation and Human Community Along River Benue, Adamawa State, Nigeria

ABSTRACT This study purposely investigated the grazing effects on riparian vegetation and human communities along river Benue, Adamawa states. The objectives were; i) to determine grazing effects on the plant community; ii) to determine the socio economic effects of grazing along river Benue on human community; and iii) to identify effective management strategies for conservation and sustainability of riparian area along river Benue. The study used cross-sectional and observational survey des...


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