PhD. Theses
1. Enhancing phosphorus availability in some phosphate fixing soils of the Transkei region, South Africa using goat manure (Gichangi, E. M.) [Department of Agronomy, University of Fort Hare,SOUTH AFRICA]

MSc. Theses
1. Inheritance of Resistance of Fusarium wilt in pigeonpea (Cajanus Cajan (L.) MILLSP]
(Karimi, R)

2. Assessing the impact of climate variability and change on maize performance in Semi-Arid Eastern Kenya (Njiru, E. N)

3.Influence of relative humidity on the growth and development of the Mite Typhlodromalus Aripo (De Leon): Evidence from laboratory and greenhouse experiments (Mutisya, D. L)