TY  - BOOK
AU  - Tisdale, Samuel. L
AU  - Nelson, Werner. L
TI  - Soil fertility and fertilizers/by Samuel L. Tisdale and Werner L. Nelson
SN  - 0024208604
U1  - 631.8  
PY  - 1975///
CY  - London: 
PB  - Macmillan Company; 
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Soil fertility
ER  -