00413nam a2200109Ia 450000500170000000800410001705000220005810000220008024501270010226000390022965000350026820251229183901.0251229s9999    xx            000 0 und d  aTHE SB 191 .M2058  aOnyuka E. Ayiemba 0aEffects of nitrogen and phosphorus on maize (Zea May L) perfomance in phosphorus - deficient and striga...cAyiemba Onyuka  aEgertonb Egerton universityc2003  aCorn - Kenya -  Siaya District