TY  - BOOK
AU  - Piper, Clarence Sherwood.
TI  - Soil and plant analysis: : a laboratory manual of methods for the examination of soils and the determination of the inorganic constituents of plants
U1  - 631.42 
PY  - 1950///
CY  - New York
PB  - Interscience
KW  - Plantas
KW  - Análisis químico
KW  - Química vegetal
KW  - Suelos
KW  - Análisis
ER  -