this stage, according to the above samples 
checking, an accuracy about 90% was obtained 
for rice hecterage estimation. 
3. CONCLUSION 
The remotely sensed data particularly TM images 
with wide spectral range and sufficient bands 
could seriously be concerned to main crops 
identification / hecterage estimation and even- 
tually for cultivation mapping. It is obvious that 
the real time data and using the GPS for sample 
location, would obtain the very reliable results for 
agricultural planning. 
4. ACKNOWLEDGMENT 
All image processing / GIS functions were per- 
formed by Miss Jaleh Daryaei, Mrs. Rafat 
Marashi and Mrs. Esmat Madanian respectively 
(Experts of RS/ GIS division). Their attempts 
and assistance for completion of project shall be 
appreciated. 
462 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B7. Vienna 1996