Oliver Otieno Okumu

Effect of Legume Extracts on Germination, Seedling Health of Beans (Phaseolus vulgaris L.) and Soil Microorganisms

Oliver Otieno Okumu, James Wanjohi Muthomi, John Ojiem, Rama Narla & John Huria Nderitu · International Journal of Plant & Soil Science · 2019

Application of undecomposed green manure has been reported to cause poor emergence and establishment of common beans in the field. Therefore, to understand the mechanisms’ contributing to the poor crop establishment, the effect of extracts from fresh and decomposed legume green m...

Open access Research Article 10.9734/ijpss/2019/v28i130097

Coffee Production Challenges and Opportunities in Tanzania: The Case Study of Coffee Farmers in Iwindi, Msia and Lwati Villages in Mbeya Region

Hillary M. O. Otieno, Beryle A. Alwenge & Oliver Otieno Okumu · Asian Journal of Agricultural and Horticultural Research · 2019

Coffee is one of the most popular cash crops grown in Tanzania. However, its productivity has remained low due to various biotic, abiotic and socio-economic factors prevailing in Mbeya Region. These production challenges have never been properly and intensively documented for bet...

Open access Research Article 10.9734/ajahr/2019/v3i229993