TY  - BOOK
AU  - SQUIRE,G.R
AU  - G. R. Squire.
TI  - The physiology of Tropical crop production
SN  - 0851986358
AV  - 631.5 
U1  - 631.5 
PY  - 1990///
CY  - UK
PB  - C.A.B. International
N1  - include Reference,and indexs
ER  -