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Svend Christensen, Torben Heisel and Anne Mette Walter Danish Institute of Agricultural Sciences

Overview of developments in precision weed management, issues of interest and future directions being considered in Europe. Svend Christensen, Torben Heisel and Anne Mette Walter Danish Institute of Agricultural Sciences. Input data. Output data. Point or zone model. Competition model.

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Svend Christensen, Torben Heisel and Anne Mette Walter Danish Institute of Agricultural Sciences

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  1. Overview of developments in precision weed management, issues of interest and future directions being considered in Europe Svend Christensen, Torben Heisel and Anne Mette Walter Danish Institute of Agricultural Sciences

  2. Input data Output data Point or zone model Competition model PC-Plant Protection Decision model DAPS - Decision Algorithm for Patch Spraying

  3. MathCad dokument

  4. 1/10 N 1/3 N 1/1 N 1/10 N 1/3 N 1/1 N

  5. 1 1 0.6 0.6 0.2 0.2 Grid weed mapping (A) . . . . . . . . . . . .

  6. 40 36 32 28 Plants prer m2 24 Plants prer m2 20 16 12 8 4 0 Plants prer m2 Plants prer m2 Weed Maps Brassica napus Stellaria media Grass spp. Tripleurospermum inidorum

  7. Treatment maps for injection spraying Ioxynil + Bromoxynil 200 g a.i./l Tribenuron-methyl 500 g a.i./kg Dose: 0 - 1 l/ha Mean dose: 0.2 l/ha Dose: 0.1 - 1.7 Tablet /ha Mean dose: 1.1 Tablet /ha

  8. Patch Spraying Hardi sprayer with a Raven injection system

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