004570000a22001450004500020001500000060000800015082001900023100002100042245003200063260003100095260000900126300001000135490001100145650015500156  a0120007835  a100  a630.685 AGR.85  aSparks, Donald L  aAdvances in AGronomy Vol 85  aCalifornia, Academic Press  c2005  ax 446  a85c85  aHydropedology, Bioindustrial Products, Bio Pharamaceutical Products, Pathogen Tranfer, Root Architecture, Soil Quality  Crop Residue, Nutrient cycling