TY  - BOOK
AU  - Plucknett,Donald L.
AU  - Sprague,Howard Bennett
TI  - Detecting mineral nutrient deficiencies in tropical and temperature crops
T2  - Westview tropical agriculture series
SN  - 0813300894
U1  - 632.3 
PY  - 1989///
CY  - Boulder, CO
PB  - Westview Press, 
KW  - PATOLOGIA VEGETAL
ER  -