00577nam a2200145Ia 450000500170000000800410001705000210005810000180007924501170009726000470021465000260026194200070028799900190029495201180031320251229183910.0251229s9999    xx            000 0 und d  aTHE S 667 .C8S54  aSigunga, D.O. 0aFertilizer nitrogen use effeciency and nutrient uptake by maize ( Zea mays L) in Vertisols in KenyacD.O Sigunga  aWageningenb Agricultural Universityc1977  aNitrogen, Fertilizers  cBK  c514917d514917  00104070aAFRbEGERTONLIBcGENd2025-12-29l0oTHE S 667 C8S54pEGER234573r2025-12-29 18:39:10w2025-12-29yBK