00755nam a2200181Ia 4500001000700000003000500007005001700012008004100029100003000070245009000100260009200190300002900282490007700311504002600388650004500414650003900459710007500498133710BIBL20160527192544.0931028|1959||||pr ab  ||b   ||||1||spa|d20aLugo-López, M A.2Local10aNature and properties of major soils of Lajas ValleycM. A. Lugo-López [and others]  aRío Piedras, P. R.bUniversity of Puerto Rico. Agricultural Experiment Stationc1959.  a60p.bill., map, tables.0 aAgricultural Experiment Station, Río Piedras. Bulletinvno. 1492Local  aBibliography : p. 60. 0aSoilszPuerto RicozLajas Valley.2Local 0aAgriculturarezPuerto Rico.2Local20aPuerto Rico. Estación Experimental Agrícola, Río Piedras.2Local