TY  - BOOK
AU  - Food & Agri. Org. Of the Uni..
TI  - Effiecient Use Of Fertilizers Rev. & Enl. Ed. By V. Ignatiefe And H. J. Page
T2  - FAO Agricultural Studies No. 43
U1  - 631.81 F6E3 
PY  - 1968///
PB  - FAO
ER  -