Yield trends in the long-term crop rotation with organic and inorganic fertilisers on Alisols in Mata (Rwanda) von Rutunga, V, Neel, H

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Six month-duration Tephrosia vogelii Hook. f. and Tithonia diversifolia (Hemsl.) A. Gray planted-fallows for improving maize production in Kenya von Gachene C.K.K., Rutunga V., Karanja N.K.

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Six month-duration Tephrosia vogelii Hook.f. and Tithonia diversifolia (Hemsl.) A.Gray planted-fallows for improving maize production in Kenya von Rutunga, V, Karanja, N.K, Gachene, C.K.K

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Biomass production and nutrient accumulation by Tephrosia vogelii (Hemsley) A. Gray and Tothonia diversifolia Hook F. fallows during the six-month growth period at Maseno, Western... von Rutunga, V, Karanja, N.K, Gachene, C.K.K. (University of nairobi (Kenya). Dept. of Soil Science), Palm, C

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Synthèse des résultats de recherche sur l'agronomie du caféier arabica (Coffea arabica L.) au Rwanda au 31 mars 1994 von Rutunga, V., Kavamahangat, F., Nsengimana, C.

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Improvement of Sweet potato (Ipomoea batatas (L.) Lam) Production with Fertilizer and Organic Inputs in Rwanda von Janssens, M., Rutunga, V., Mukamugenga, J., Mukantagengwa, S., Marijnissen, R.

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Synthesis of results on coffee [Coffea arabica L.] agronomy research in Rwanda on 31 March 1994 von Rutunga, V. (University of Nairobi (Kenya)), Kavamahanga, F, Nsengimana, C

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Fertilisation continue des Oxisols acides non humifères du von Nzabonihankuye G., Gachene CKK, Karanja NK, Steiner KG, Rutunga V.

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