00884npd a2200265 i 450000100070000000500170000700700030002400800410002704000230006804100080009104300080009910000210010724501440012826400750027230000430034733600270039033700230041733800320044049000400047250400280051265000110054065000210055165000240057265000220059602742820251030132706.0zu150107s1982 xx##################eng#d aCO-ViULLerdabspa0 aeng axxu1 aLucas, Robert E.10aOrganic Soils (Histosols): Formation, Distribution, Physical and Chemical Properties and Management for Crop Production /cRobert E. Lucas. 1aThe United States America :bCrop and Soil Sciences Department,c1982. a77 páginas :bilustraciones; tablas. aotherbxxx2rdacontent aotherbx2rdamedia aunspecifiedbzu2rdacarrier 0aResearch Report Farm Science No.435 aIncluye Bibliografía.07aSUELOS07aFISICA DE SUELOS07aSUELOS - PRODUCCION07aQUIMICA DE SUELOS