Prof. Ernest Melkiory Marwa

NAME:  PROF. ERNEST MELKIORY MARWA (PhD)

 

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BIOGRAPHY

 Prof. Ernest Melkiory Marwa is a Mineral Exploration Geologist and a Professional Geotechnical Engineer registered by the Engineers’ Registration Board of Tanzania with vast experience in mineral exploration, tunnel excavation and stabilization, soil mineralogy, teaching and research.  Currently Prof. Marwa serves as a Treasurer for the Soil Science Society of East Africa in Tanzania and is the Acting Chair for the Board of Director of the Tanzania Fertilizer Regulatory Authority. Prof. Marwa has over 16 years of work experience in mineral exploration, 7 years experience in geotechnical works under the Norplan Consulting Company of Norway and over 16 years in teaching and research at the University.  Prof. Marwa has written and published various papers in peer reviewed journals, conference proceedings, chapter in a book, and extension brochures.

 

EDUCATION BACKGROUND

Qualification obtained             Year   School/University

PhD (Plant & Soil Science)        2009   University of Aberdeen, The United Kingdom

 MSc (Eng. Geology)                 1992    ITC-University of Delft, The Netherlands

PG Diploma (Eng. Geology)     1988    ITC-University of Delft, The Netherlands

BSc (Geology) (Hons)               1983    University of Dar es Salaam, Tanzania

A-level Secondary Certificate   1978    Kibaha Secondary School, Tanzania

O-Level Secondary Certificate  1976   Chidya Secondary School, Tanzania

Primary School Certificate        1972   Majimaji Primary School, Nachingwea, Tanzania

 

MEMBERSHIP IN PROFESSIONAL SOCIETIES

Member and Treasurer: Soil Science Society of East Africa (SSSEA)-Tanzania Chapter

Member of the Tanzania Geological Society (TGS)

Member of the Mineralogical Society of Great Britain and Ireland

UNIVERSITY POSITION HELD

Position                                          Dates

Associate Professor                    2015 to present

Senior lecturer                             2011 - 2015

Lecturer                                         2005 - 2011

Assistant Lecturer                        2002 - 2005

 

 

 PREVIOUS EMPLOYMENT

Position                              Date               Institution/Company

Exploration Geologist     2000-2001      El-Hillal Minerals Ltd, Shinyanga, Tanzania.

Site Engineering              1995-2000      The Lower Kihansi Hydropower Project in Tanzania under the

Geologist                                                    NORPLAN Consulting Company of Norway

Engineering Geologist    1991-1994      Eastern and Southern Mineral Resources Development

                                                                    Centre (ESAMRDC) in Dodoma, Tanzania.    

  Assistant to Senior        1983-1991      Geological Survey of Tanzania. Ministry of Energy and Minerals,

Geologist                                                   Dodoma, Tanzania 

 

WORK EXPERIENCE

Teaching experience of both undergraduate and postgraduate students at Sokoine University of Agriculture from 2002 to present. Courses taught: Introductory Geology and Soil Formation, Environmental Geomorphology, Global Climate Change and Disaster Management and Soil Mineralogy.

Experience in gold and diamond exploration in Tanzania from 1983-1991 and 2000-2001 under the Geological Survey of Tanzania and El-Hillal Minerals Ltd, respectively.

Laboratory experience in rock and soil mechanics from 1991-1994 under the Eastern and Southern African Mineral Resources Development Centre (ESAMRDC).

Geotechnical experience in planning and supervision of tunnel excavation and stabilization as well as road construction from 1995-2000 under the Norplan Consulting Company of Norway at the Lower Kihansi Hydropower Project in Tanzania.

 

RESEARCH INTERESTS

Current research interests are on mineral exploration, soil mineralogy and use of organic inputs to improve soil productivity for smallholder farmers.

 

RESEARCH PROJECTS UNDERTAKEN

Co-Project Leader from 1/1/2018-31/12/2020. Nitrogen bio-fortified and pelletized commercial grade organic fertilizer made from urban biowaste to improve soil productivity and livelihoods of smallholder farmers. Project No: BA/C1/2017-05_SUA Sponsored by BioInnovate Africa through ICIPE at a cost of US$ 88,278.

 

Team Member from 2015-2017. Mineral Resources Potential and Small Scale Mining in Nachingwea Area and a General Nationwide Geochemical Map of Tanzania. Research sponsored by Ministry of Foreign Affairs of Finland.

Team Member from 2013-2015. Analysis of stakeholders and formulation of innovation platform for optimizing production and utilization of lesser-known and lesser-utilized indigenous agro-forestry timber species in Kilosa District. Project sponsored by NORAD under EPINAV project at SUA

Principal Investigator (PI) from 1/10/2011-30/9/2013. Effect of uranium contamination in selected Tanzanian agricultural soils and its transfer in food chains. Sponsored by RUFORUM at a cost of US$ 49,019.25.

POSTGRADUATE RESEARCHES SUPERVISED AND EXAMINED

PhD Research

Sylvere N. Sirikare (2015): Optimization of liming rate and farm yard manure for improving maize, bean and potato yields in acidic soils of Southern Rwanda. PhD dissertation. Sokoine University of Agriculture. Co-supervised with Prof. E. Semu

 

MSc Researches

Paul, I.K.M. (2017-2019): Evaluation of nitrogen fortified urban bio-waste as organic fertilizer for small scale maize and rice production at Dakawa in Morogoro region. Co-supervised with Prof. J. Msaky

Hatibu, A. A. (2018): Assessment of agronomic potential of selected bat guano from Tanzania as soil amendment and source of nutrients for rice production. Writing MSc dissertation. Sokoine University of Agriculture. Co-supervised with Dr. M.Shitindi

Lwiza, L. M. (2016): Assessment of nitrate levels in soils and water for agriculture and human utilization in Singida Urban District. MSc dissertation. Sokoine University of Agriculture. Co-supvised with Dr. A.Kaaya

Kaishwa, S. (2016): Assessment of uranium level in water sources and soils and its uptake by sorghum and sunflower in Singida Urban District, Tanzania. MSc. Dissertation. Sokoine University of Agriculture. Co-supervised with Prof. J. Msaky

Andrew, T. (2016): Characterization of Sukumawera and Kisarawe bat guano from Tanzania as soil amendment and source of plant nutrients. MSc dissertation. Sokoine University of Agriculture. Co-supervised with Prof. J. Msaky

 Andrea, P. (2015): Characterization of selected gypsum rocks from Tanzania as additive to sulphur deficient soils. MSc dissertation. Sokoine University of Agriculture. Co-supervised with Dr. A. Kaaya

 Mwanga, E. W. (2014): Stabilization of silt clay soil using molasses for small dam embankment construction as inner zone. MSc dissertation.University of Nairobi, Kenya.

Makoti, C. A. (2014): Assessment of uranium levels in selected soils and its uptake by rice, maize and millet in Bahi District, Tanzania. MSc. Dissertation. Sokoine University of Agriculture. Co-supervised with Dr. A. Kaaya

Mziray, Z. J. (2014): Uranium uptake by selected food groups and the associated health effects to the residents of Bahi District in Tanzania. MSc. Dissertation. Sokoine University of Agriculture. Co-supervised by Prof. B. Chove

 

MSc dissertations examined as External Examiner

Edista Alex Abdallah (2018).The Late Pleistocene Terraces in Coastal Basin of Pangani and their Implications on Sea Level Variations. University of Dar es Salaam

Nkosilathi Bernard (2017). Quantification of Nitrogen Fixation of Various Herbaceous Legumes, Isolation and Authentification of the Associated Nitrogen Fixing Bacteria. University of Botswana.

Marang Mosupiemang (2017). Effect of Nitrogen Fertilizer and Planting Density on the Growth and Yield of Intercropped Sorghum and Cowpea under Rainfed Conditions. University of Botswana.

Lambani Charles Obuseng (2015). Quantitative Assessment and Transfers of Potentially Toxic Metals in Urban and Peri-Urban Agriculture (UPA) Land Use System in Botswana. University of Botswana.

 

SELECTED PUBLICATIONS

 

Journal Articles and Chapter in Books

Primitiva, A. M., Marwa, E. M. M. and Kaaya, A.K. (2018). Characterization of selected gypsites of Tanzania for agricultural use. International Journal of Plant & Soil Science, 23(4): 1-9

Kaishwa, S.J., Marwa, E.M., Msaky and Mwakalasya, W.N. (2018): Uranium natural levels in soil, rock and water: assessment of the quality of drinking water in Singida Urban District, Tanzania. Journal of Water and Health, 16.4:542-548.

Sirikare, N.S., Naramabuye, F.X., Marwa, E.M. and Semu, E. (2015): Liming and sulfur amendments improve growth and yields of maize in Rubona Ultisol and Nyamifumba Oxisol. Acta Agriculturae Scandinavica, Section B — Soil &Plant Science, 65(8: 713-722

Sirikare, N.S., Naramabuye, F.X., Marwa, E.M. and Semu, E. (2015): Proton consumption capacity, ash alkalinity and chemical characterization of travertine from different sources in Rwanda. African Journal of Agriculture, 2 (1):070-075

Marwa, E.M.M., Mziray, Z.J., Chove, B.E. and Kaaya, A.K. (2014). Uranium contamination in drinking water and foodstuffs in Bahi District, Central Tanzania. Journal of Continuing Education and Extension, 5(2):625-640.

Meharg, A.A., Williams, P.N., Deacon, C.M., Norton, G.J., Hossain, M., Louhing, D., Marwa, E., Lawgalwi, Y., Mark, T., Claudio, C. and Haris, P. (2014): Urinary excretion of arsenic following rice consumption. Environment Pollution, 194:181-187.

Marwa, E.M.M. (2014): Confusion in the literature of vermiculite. In: Wesley, L. R. (Ed.). Clays and Clay Minerals: Geological Origin, Mechanical Properties and Industrial Applications. Nova Science Publishers, Inc. ISBN: 978-1-63117-780-4. pp. 435-445

Hillier, S., Marwa, E.M.M. and Rice, C.M. (2013): On the mechanism of exfoliation of ‘Vermiculite’. Clay Minerals, 48:563-582.

Marwa, E. M.M., Meharg, A. A., and Rice, C.M. (2012): Effect of heating vermiculites on extractability of phosphorus and some essential plant micronutrients. Clay Minerals, 47:365-371.

Marwa, E. M.M., Meharg, A. A., and Rice, C.M. (2012): Risk assessment of potentially toxic elements in agricultural soils and maize tissues from selected districts in Tanzania. Science of the Total Environment, 416:180-186.

Marwa, E. M. M., Meharg, A. A., and Rice, C. M. (2011): Accessory minerals and potentially toxic elements in Tanzanian vermiculites with respect to agricultural applications. Communications in Soil Science and Plant Analysis, 42 (10): 1123-1142.

Marwa, E. M.M., Meharg, A.A., and Rice, C.M. (2009): The effect of heating temperature on the properties of vermiculites from Tanzania with respect to potential agronomic applications. Applied Clay Science, 43: 376-383.

Marwa, E. M.M., Hillier, S., Rice, C.M and Meharg, A.A. (2009): Mineralogical and chemical characterization of   some vermiculites from the Mozambique Belt of Tanzania for agricultural use. Clay Minerals, 44:1-17.

Technical Reports and Extension Materials 

Birgitta Backman, Merja Janhila, Abel Kaaya, Tuomo Karinen, Kristian Lindqvist, , Ernest Marwa, Matti Partanen and Yusto J. Shine (2017). Geochemical Soil Atlas of Tanzania. Geological Survey of Tanzania, Dodoma.  ISBN 978-9987-765-17-1

Yusto J. Shine, Birgitta Backman, Ernest Marwa, Matti Partanen and Kristian Lindqvist (2016). Geochemical Soil Study in Nachingwea Area – A Pilot Study for the Nationwide Geochemical Map Using NAFORMA Soil Samples. Geological Survey of Tanzania, Dodoma. ISBN 978-9987-477-94-4. 33pp.

Ernest M. M. Marwa, Bernard Chove and Abel Kaaya (2014). Research brochure on the effect of uranium contamination in selected agricultural soils and its transfer in food chains in Bahi District, Central Tanzania. Sokoine University of Agriculture. 6pp.

Marwa, E.M.M. and Msuya-Bengesi, C. (2013). Analysis of stakeholders and formulation of innovation platform for optimizing production and utilization of lesser-known and lesser-utilized indigenous agro-forestry timber species in Kilosa District. A research report submitted to the Farmers Empowerment Committee of the Enhancing Pro-poor Innovation in Natural Resources and Agricultural Value Chains (EPINAV) Programme at SUA.

Ali, S.V., Kayogoma, E. and Marwa, E.M.M. (1989): Rock mechanics investigations at Buck Reef Gold Mines. Technical report no. ESAMRDC/89/Tech/59, Dodoma, Tanzania. 30pp.

Kayogoma, E., Marwa, E.M.M. and Ali, S.V. (1989): Instrumentation and strata control measures in underground mines. Bulletin no. ESAMRDC/89/Tech/57, Dodoma, Tanzania. 35pp.

Marwa, E.M.M, Ali, S.V and Kayogoma, E. (1989): Slope stability in opencast mines. Bulletin no. ESAMRDC/89/Tech/60, Dodoma, Tanzania. 25pp.