TY  - BOOK
AU  - Food and Agrigulture Organization,  .
TI  - FAO Fertilizer and Plant Nutrition Bulletin 2: Crop production levels and fertilizer use / 
SN  - 92-5-101099-4
U1  - J:5(G:71) 
CY  -   : 
PB  - Food and Agriculture Organizations .
KW  - Agriculture <Crop> <Fertilizer>
ER  -