TY  - BOOK
AU  - 
ED  - Puerto Rico. Estación Experimental Agrícola, Río Piedras.
TI  - Nature and properties of major soils of Lajas Valley
T2  - Agricultural Experiment Station, Río Piedras. Bulletin
PY  - 1959///
CY  - Río Piedras, P. R.
PB  - University of Puerto Rico. Agricultural Experiment Station
KW  - Soils
KW  - Puerto Rico
KW  - Lajas Valley
KW  - Local
KW  - Agriculturare
N1  - Bibliography : p. 60
ER  -