TY  - BOOK
AU  - Chrispeels, Maarten J.
TI  - Plants food and people: Maarten J. Chrispeels and David Sadava
SN  - 0-7167-0378-5.
U1  - 631, 
PY  - 1977///
CY  - Sanfrancisco
PB  - W.H. Freeman
KW  - Soil science Soil management
ER  -