TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
ED  - Joint FAO/IACA Division of Isotopes and Radiation Applications
TI  - Maximizing the efficiency of fertilizer use by grain crops
SN  - 9251009546
U1  - 631.81 
PY  - 1980///
CY  - Rome
PB  - FAO
KW  - Grain
KW  - Fertilizers
KW  - Crops
KW  - Agricultural chemicals
KW  - Soil fertility
KW  - Soil conditioners
N1  - Bibliography: p. 29
ER  -