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Disease severity on cabbage protected from arthropod pests with insecticide treated agronets in Kenya. Kiptoo J.J., Kasina M., Wasilwa Luike A., Ngouajio Mathieu, Martin Thibaud, Too A., Cheboi J.J., Nderitu P.W.. 2015. American Journal of Experimental Agriculture, 9 (5), 10 p.

Minjingu phosphate rock applications increase the population of phosphate solubilising microorganisms with a positive impact on crop yields in a Kenyan Ferralsol. Ndung'u-Magiroi Keziah Wairimu, Waswa Boaz, Bationo André, Okalebo John Robert, Othieno Calebo O., Herrmann Laetitia, Lesueur Didier. 2015. Nutrient Cycling in Agroecosystems, 102 (1) : 91-99.

Use of low cost pest exclusion nets can boost cabbage yield. Kiptoo J.J., Kasina M., Wanjala F., Kipyab P., Wasilwa Luike A., Ngouajio Mathieu, Martin Thibaud. 2015. East African Agricultural and Forestry Journal, 81 (2-4) : 112-119.

Do commercial biological and chemical products increase crop yields and economic returns under smallholder farmer conditions? Jefwa Joyce Mnyazi, Pypers Pieter, Jemo M., Thuita Moses, Mutegi Edwin, Laditi M.A., Faye A., Kavoo A., Munyahali Wivine, Herrmann Laetitia, Atieno Mary, Okalebo John Robert, Yusuf Azeez, Ibrahim A., Ndung'u-Magiroi K.W., Asrat A., Muletta D., Ncho C., Kamaa Mary M., Lesueur Didier. 2014. In : Challenges and opportunities for agricultural intensification of the humid highland systems of Sub-Saharan Africa. Vanlauwe Bernard (ed.), VanAsten Piet (ed.), Blomme Guy (ed.). Cham : Springer International Publishing, 81-96. ISBN 978-3-319-07662-1

Population of native PSM increased by Minjingu PR application and positive impact on crop yields in a Kenyan Ferralsol. Ndung'u-Magiroi Keziah Wairimu, Herrmann Laetitia, Okalebo John Robert, Lesueur Didier. 2014. In : PSP5 2014 Facing Phosphorus Scarcity Phosphorus in Soils and Plants. Montpellier : s.n., 74. International Symposium Phosphorus in Soils and Plants. 5, Montpellier, France, 26 Août 2014/29 Août 2014.

Efficiency of different formulations of Bradyrhizobium japonicum and effect of co-inoculation of Bacillus subtilis with two different strains of Bradyrhizobium japonicum. Atieno Mary, Herrmann Laetitia, Okalebo John Robert, Lesueur Didier. 2012. World Journal of Microbiology and Biotechnology, 28 (7) : 2541-2550.