00817nam a2200193Ia 4500 133710 BIBL 20160527192544.0 931028|1959||||pr ab ||b ||||1||spa|d Lugo-López, M A. Local 128629 Nature and properties of major soils of Lajas Valley M. A. Lugo-López [and others] Río Piedras, P. R. University of Puerto Rico. Agricultural Experiment Station 1959. 60p. ill., map, tables. Agricultural Experiment Station, Río Piedras. Bulletin no. 149 Local 49835 Bibliography : p. 60. Soils Puerto Rico Lajas Valley. Local 172193 Agriculturare Puerto Rico. Local 49856 Puerto Rico. Estación Experimental Agrícola, Río Piedras. Local 155472 112926 112926 0 0 0 631_477295000000000_L951N 0 ci 179982 10 10 B 2016-05-27 203028 0 631.477295 L951n 80000001590119 2016-05-27 00:00:00 r:133710 z:NCC:D 6