Nancy K. Karanja
- Venant Rutunga, Nancy K. Karanja & Charles K.K. Gachene
- Six month-duration Tephrosia vogelii Hook.f. and Tithonia diversifolia (Hemsl.) A.Gray planted-fallows for improving maize production in Kenya
- volume 12 (2008)numéro 3
- Venant Rutunga, Department of Soil Science. Faculty of Agriculture. University of Nairobi. P.O. Box 30192. Nairobi (Kenya)., Nancy K. Karanja, Charles K.K. Gachene & Cheryl Palm
- Biomass production and nutrient accumulation by Tephrosia vogelii (Hemsley) A. Gray and Tithonia diversifolia Hook F. fallows during the six-month growth period at Maseno, Western Kenya
- Volume 3 (1999)Numéro 4
- Venant Rutunga, Kurt G. Steiner, Nancy K. Karanja, Charles K.K. Gachene & Grégoire Nzabonihankuye
- Continuous fertilization on non-humiferous acid Oxisols in Rwanda “Plateau Central”: Soil chemical changes and plant production
- Volume 2 (1998)Numéro 2
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