TY  - BOOK
AU  - Small,James
TI  - Modern aspects of pH : : with special reference to plants and soils / 
U1  - 541.373 
PY  - 1954///
CY  - London : 
PB  - Baillìere, Tindall and Cox, 
KW  - Íon hidrogênio
KW  - Concentração
KW  - Plantas
KW  - Análise
KW  - Solos
ER  -