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Biochar addition persistently increased soil fertility and yields in maizesoybean rotations over 10 years in sub-humid regions of Kenya por Kätterer, T., Roobroeck, D., Andrén, O., Kimutai, G., Karltun, E., Kirchmann, H., Nyberg, G., Vanlauwe, Bernard, Nowina, K.R. de

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Lessons learnt from long term experiments in Africa por Bationo, B. André, Waswa, Boaz Shaban, Adamu, A.M., Bado, V.B., Moussa, B, Iwafor, B, Kibunja, C.N., Kihara, Job Maguta, Mucheru-Muna, M., Mugendi, DN, Mugwe, J, Mwale, C, Okeyo, Jeremiah M., Andrén, O., Roing, K, Sédogo, M.P., Tabo, Ramadjita

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Soil carbon dynamics as a result of climate, cropping systems and soil type - rapid calculations using basic concepts por Andrén, O., Kätterer, T.

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