rage 
lief 
try, 
rage 
the 
the 
ent 
ige 
lly 
1al 
lal 
he 
T. 
so 
od 
an 
ne 
211 
  
  
  
  
  
90 
804 CORN 
© 
& 
2060 4 
4 
4 
70 
o 501 
e 4 
71404 
© 30- 
2 … 
» 204 
104 
  
  
  
0 
[29 
D4 
  
T X: T Y T 
EE 
GYURRI 
Figure 2. Result of robust model for corn without relief 
correction 
  
60 
WHEAT 
— 504 
© 
= 
> 
2040 + 
~~ 
  
R*=0.490 
  
  
  
tv 
T T T 
£ 6 " 
n 
GYURRI 
Figure 4. Result of robust model for wheat without relief 
correction 
  
30 
SUNFLOWER 
t 
en 
rst 
nN 
e 
Arn 
- 
en 
1 
X 
Yield (100 kg/ha) 
  
  
104 
  
fr 
N 
Ca 
T Y T T T 
ee 7 
GYURRI 
Figure 6. Result of robust model for sunflower with relief 
correction 
  
BARLEY 
  
R*-0.882 
  
  
  
T 
2 
c 
4 
GYURRI 
on 
Figure 8. Result of robust model for barley with relief 
correction 
  
90 
80]. CORN 
^S 704 
d 
2560 
LI 1| 
eo 504 
ce 4 
T1404 
"d 304 
Bo 4 
» 204 
104 
4 
  
R°=0.916 
  
  
0 
  
C54 
(9H 
6 
l4 
œ- 
© 
er 
GYURRI 
Figure 3. Result of robust model for corn with relief 
correction 
  
60 
WHEAT 
  
  
R*=0.843 
  
e 
+ 
4 
GYURRI 
  
A 
Figure 5. Result of robust model for wheat with relief 
correction 
  
504 
4543 SUGAR BEET 
  
  
  
  
IS TITAN Ins Ir I ITTY 
5 8 7 8 900001 12 
GYURR 
Figure 7. Result of robust model for sugar beet with relief 
correction 
  
804 
! — ALFALFA 
70] 
sus su 
100 kg/ha) 
© 
© 
  
  
  
  
504 
—40- 
=} 
230] 
p d 
204 2 
] R*=0.830 
104 ; 1 — | 7 po 
0 1 2 3 8 9 
4 E 
GYURRI 
Figure 9. Result of robust model for alfalfa with relief 
correction 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXII, Part 7, Budapest, 1998 799