00572nam a2200145Ia 450000500170000000800410001705000210005810000170007924501140009626000470021065000250025794200070028299900190028995201180030820251229183910.0251229s9999    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 KenyacO Sigunga  aWageningenb Agricultural Universityc1977  aNitrogen Fertilizers  cBK  c514916d514916  00104070aAFRbEGERTONLIBcGENd2025-12-29l0oTHE S 667 C8S54pEGER234572r2025-12-29 18:39:10w2025-12-29yBK