00937nam0-2200313---450-99000834138040332120080325121701.00-8493-2802-0000834138FED01000834138(Aleph)000834138FED0100083413820060608d1997----km-y0itay50------baengUSy-------001yySoil organic matter in temperate agroecosystemslong-term experiments in North Americaedited by E.A. Paul ... [et al.]Boca RatonCRC Press1997414 p.26 cm1 floppySuoloEcologia631.41720itaPaul,Eldor AlvinITUNINARICAUNIMARCBK99000834138040332160 631.417 B 210326FAGBCFAGBCSoil organic matter in temperate agroecosystems720995UNINA