000 00346nam a2200157Ia 4500
082 _a631.4/Tro/Tho
100 _aTroeh, Frederick R. & Thompson, Louis M.
526 _dNTB
526 _aUG
366 _f20
942 _cBK
245 _aSoils and soil fertility.-6th ed.
260 _aIowa
_bWiley
_c2005
300 _aviii,489
546 _aE
999 _c77760
_d77760