00426nam a22001337a 4500008004100000040000900041050002100050100002800071245006300099260004800162300002800210504003800238650001600276190515b        xxu||||| |||| 00| 0 eng d  amksu  aS 633b.N44 1993  aNgeze, Pius B.,d 1943.  aArtificial fertilizers and how to use themcPius B. Ngeze.  aNairobi,Kenya :bStantex Publishers,c1998.  av,55p. :bill. ;c21cm.  ainclude bibliographic references.  aFertilizers