TY  - BOOK
ED  - Council on Soil Testing and Plant Analysis. Athens, Ga
TI  - Handbook on reference methods for soil testing
U1  - 631.42 
PY  - 1980///
CY  - Athens, Georgia
PB  - C.S.T.P.A
KW  - Química vegetal
KW  - Suelos
KW  - Análisis
ER  -