000 00589cam a22001817a 4500
020 _a9251050384 (pbk.)
040 _cFQG
082 0 0 _a631 ASN 2003 A006 Or.
245 0 0 _aAssessment of soil nutrient balance :
_bapproaches and methodologies /
260 _aRome :
_bFood and Agriculture Organization of the United Nations,
_c2003.
300 _ax, 87 p. :
_bcol. ill., col. maps ;
_c30 cm.
650 0 _aSoil fertility.
650 0 _aCrops
650 0 _aCrops and soils.
700 1 _aRoy, R. N.
710 2 _aFood and Agriculture Organization of the United Nations.
942 _cAEDBB
999 _c20923
_d20923