Istanbul 2004 
the noisiness 
. The outputs 
had average 
, which are 
Similarly the 
' 100.0, 105.0 
it tones in the 
eld (4.43 ha), 
vo major soil 
management 
1 could have 
sensing data, 
; can be used 
(0.23, dark — 
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, 1984, The 
ies of Arizona 
al, 48, 1331- 
1995. The 
dies in upland 
16, pp.1087- 
, Leley;; V.K. 
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Evaluation of 
variable rate 
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ACKNOWLEDGEMENTS 
The work has been carried out under ‘Precision Farming’, a 
RSAM project, funded by SAC. Authors are grateful to Shri 
J.S. Parihar, the Group Director, Agricultural Resources Group, 
SAC for his guidance. We are thankful to Dr. S.S. Lal, 
Principal Scientist, CPRI, Shimla and Dr. G. S. Kang, Head of 
CPRS, Jalandhar, for their support and permission to carry out 
field experiments.