(1) Effect of tillage treatments on soil physical properties and wheat production (Sudan, 1992 –
1995).
(2) Performance of different no-till furrow openers under different soil and crop residue conditions
(Germany, 1998 – 2002).
(3) Modification of a soil plane used for measuring the seed row incorporated crop residue and
seed depth under no-till conditions (Germany, 2000 – 2002).
(4) Potentials and success-ability of zero tillage in the Sudan (Sudan 2003 – 2004).
(5) Precision Farming in the Sudan (Sudan 2003 – 2004).
(6) On-the-go fertilizer application rate control system. Crop Production Engineering Laboratory,
Graduate School of Agriculture, Hokkaido University. Japan, (Japan 2005-2007).
(7) Seed depth control system. Crop Production Engineering Laboratory, Graduate School of Agriculture,
Hokkaido University, Japan. (Japan 2005-2007).
(8) Measurement and evaluation of seed furrow geometrical characteristics using the laser measurement
system. Crop Production Engineering Laboratory, Graduate School of Agriculture,
Hokkaido University, Japan. (Japan 2005-2007).
(9) Assessment of the performance of zero tillage system compared to conventional tillage systems
under the soil and climatic conditions of Hokkaido University Farm, Japan. (Japan 2005-
2007).
(10) Investigation into the mechanics of angled disc openers for improved residue cutting in zero-till
cropping systems. Agricultural Machinery Research and Design Centre, University of South
Australia. (Australia 2008-2009).
(11) Development and evaluation of optical sensor based system for the assessment of a row
planter seed metering system (Sudan 2009-2010).
(12) Development and evaluation of a DC Motor based system for row planter metering system
(Sudan 2009-2010).