Weed monitoring methods

Svend Christensen & Torben HeiselDanish Institute of Agricultural

Sciences

Outline

Remote sensing?Near ground sensing?

Satellite image

Spot Image K-J/Sat 53-236/91999-5-18

Giesegård

Manual sensing - weed mapping – DM - patch spraying

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10.6

0.2

0.6

0.2

1

Historical weed maps – DM -patch spraying

0.6

0.2

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0.2

B

C

A 1 1hollow

wetdry

Historical map – manual sensing – DM- weed mapping - patch

spraying

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0.2

B

C

A 1 1 . . .

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Real time sensing – patch spraying

( )

Weed sensing – manuel sensing – weed mapping – DM – patch

spraying

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2 510

0

0.30.6

1 . . . .

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Weed sensing – weed mapping – DM - patch spraying

0

2 510

0

0.30.6

1