000 004660000a22001690004500
020 _a0120007703
060 _a100
082 _a630.685 AGR.70
100 _aSparks, Donald L
245 _aAdvances in Agronomy Vol 70
260 _aCalifornia, Academic Press
260 _c2001
300 _axi 369
490 _a70
_c70
650 _aDesertified Land, Carbon sequestration, Human nutrition,Nitrogen cycling, Methane Emissions, Organic farming
942 _cBK
999 _c366384
_d366384