Category: Issue 2

Prevalence, Biology, and Management of Coffee Berry Disease (Collecotricum kahawe) as Influenced by Climatic Variability and Agronomic Practices in Ethiopia: A review

Coffee is a tropical evergreen flowering plant under the family Rubiaceae and is the foremost valuable cash crop in Ethiopia. In Ethiopia, coffee is the main source of foreign currency contributing a lion’s share of about 60% of the total export earnings. However, it is significantly below the crops’ attainable yield potential due to various Read More …

Comparative analysis of Anopheles gambiae s.l response to essential oil and extracts from seeds of Azadirachta indica

There is growing interest in botanical insecticides as possible substitutes for chemical insecticides. The larvicidal properties of essential oils and extracts from Azadirachta indica were tested in this work against the fourth instar of Anopheles gambiae s.l. using laboratory and semi-field investigations. In the laboratory and semi-field studies, the identical batches of twenty early 4th-instar Read More …

Analysis of Naturally Occurring Radioactive Materials (NORM) and Radiation Exposure in Soil and Fertilizer Samples Using Gamma Spectrometry Techniques

The activity concentrations of naturally occurring radioactive levels of radionuclides and risk factors evaluated in fertilizers, fertilized and unfertilized soils, and soils used as building materials. The estimated average activity concentrations for soil samples were 9.1±0.17 Bq/kg, 11.5±0.362 Bq/kg, and 248±4.1 Bq/kg for the 226Ra, 232Th, and 40K, while the estimated average activity concentrations for Read More …