000 00515 a2200157 4500
020 _a0851863876
080 _a631.417(072)(063)
_bS 989 P
245 1 _aAdvances in soil organic matter research
_bThe impact on agriculture and the environment :
_cedited by W.S. Wilson
260 _aCambridge
_bRoyal Society of Chemistry
_c1991
650 _aSoil Organic Matter
440 _aNo. 90
_vSpecial publication
100 _a
_d
300 _a400 p.
040 _aIARI, New Delhi
901 _a200116
999 _c80614
_d80614