00361nam a2200097Ia 4500082002500000245008500025250001900110260005900129300001100188440006400199  aRR 016.3384763181 EC 0aEconomics of fertilizer use : An annotated bibliography covering published liter  a2nd. rev. edn.  aOxfordbCommonwealth Bureau of Agricultural Econc1976  a50+4p.  aCommonwealth Bureau of Agricultural Economics, An.Bib.No.R4