TY  - BOOK
AU  - Walsn L M
AU  - Beaton,J D
AU  - Walsn,L M
AU  - Beaton J D
AU  - Walsn L M
TI  - Soil Testing and Plant Analysis
U1  - 631.41/WAL 
PB  - Soil Science Socio of America
KW  - Soil
ER  -