TY  - BOOK
TI  - Citrus fertilization
T2  - IPI - Bulletin; No.4
U1  - TR631.816:634.3(047.3)   L6 
PY  - 1976///
CY  - Bern
PB  - IPI
KW  - Cohen, A.
KW  - Citrus Fertilizer requirement
ER  -