000 00403cam a2200133 i 4500
020 _a9788074634
245 0 0 _aTillage for sustainable crop production /
_cE. Mamman, Ph.D.
264 1 _aMaiduguri, Nigeria :
_bMike-B Printing & Publishing,
_c2009.
300 _axi, 184 pages :
_bcolor illustrations ;
650 0 _aTillage
650 0 _aSustainable agriculture
700 1 _aMamman, E.
942 _2lcc
_cBK
999 _c14936
_d14936