01085nam0-2200301 --450 991091638500332120241220120658.0044441660920241220d kmuy0itay5050 baengNL 001yyCycling of mineral nutrients in agricultural ecosystems1. international environmental symposium of the royal Netherlands land development society ... held in Amsterdam, the Netherlands, May 31.-June 4., 1976 /editor M. L. Frissel - AmsterdamOxfordNew York, 1978356 p.25 cm.Developments in agriculture and managed-forest ecology3Agricoltura338.123itaFrissel,Martin J.Damen,J. P. N.ITUNINAREICATUNIMARCBK9910916385003321A CHI 6761466/2024FAGBCFAGBCNew York, 19784304323Oxford1579071Cycling of mineral nutrients in agricultural ecosystems74797UNINA