TY  - BOOK
AU  - Ignatieff, Vladimir
AU  - Page, Harold James,
TI  - Efficient use fertilizers
PY  - 1958///
CY  - Rome
PB  - Food and Agriculture Organizaton of the United Nations
KW  - Fertilizers and manures
N1  - Includes bibliographical references (p. 297-333)
ER  -