TY  - BOOK
TI  - Crop production in dry regions
T2  - A Plant Science Monograph
U1  - 633.002(212)  L2.1 
PY  - 1972///
CY  - London
PB  - Leonard Hill
KW  - Arnon, T.
KW  - Agriculture-tropics,Crop yields-tropics,Soil-tropics
ER  -