TY  - BOOK
AU  - Munn, Virginia.
TI  - Soil fertility and fertilizers
U1  - 631.422 
PY  - 2020///
CY  - New York
PB  - Syrawood Pub.
KW  - Soil fertility
KW  - Fertilizers
KW  - Soil productivity
KW  - Soils - - fertilizer movement
N1  - Includes index.
ER  -