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Advanced radar for measuring green area index(GAI), biomass and shoot numbers in wheat (Radwheat)


HGCA PROJECT REPORT 252

ADVANCED RADAR FOR MEASURING GREEN AREA INDEX (GAI), BIOMASS AND SHOOT NUMBERS IN WHEAT (RADWHEAT)

by
P Dampney1, S Quegan2 and P Meadows3
1 ADAS Boxworth, Boxworth, Cambridge CB3 8NN
2 Sheffield Centre for Earth Observation Science (SCEOS),
Hicks Building, University of Sheffield, Sheffield S3 7RH
3 BAE SYSTEMS Advanced Technology Centre (BSATC),
West Hanningfield Road, Great Baddow, Chelmsford, Essex CM2 8HN

MAY 2001

Abstract

The RADWHEAT project has developed the potential of radar sensors for the quantitative measurement of key parameters of winter wheat (GAI, shoot numbers and biomass). Measurement of these parameters are important in order to improve nitrogen and PGR decision-making accuracy using canopy management principles. Using sensors would provide potentially cheap but objective crop measurements, and would have great value for conventional 'uniform' field management as well as allowing the implementation of appropriate 'precision farming' or variable rate inputs management practices.

 

HGCA Project Number: 2110
Price: £3.00

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