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