00431nam a2200109Ia 4500008004100000040004400041245008100085260002900166300000900195500010200204999001500306180412s9999||||xx |||||||||||||| ||und||  aAhmadu Bello University Library - Zaria 0aBibliography on Displacement of Nutrients andcCOMMONWEALTH BUREAU OF SOILS.  aEnglandbHarpendenc1972  app.8  aBibliography on displacement of nutrients and salts in soil: physico-chemical aspects, 1971-1966.  c4843d4843