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Field-scale variability of weediness on arable land

Author

Listed:
  • P. Hamouz

    (Czech University of Agriculture in Prague, Czech Republic)

  • J. Soukup

    (Czech University of Agriculture in Prague, Czech Republic)

  • J. Holec

    (Czech University of Agriculture in Prague, Czech Republic)

  • M. Jursík

    (Czech University of Agriculture in Prague, Czech Republic)

Abstract

Weed mapping was conducted on 2 fields in Central Bohemia to characterize the spatial structure and temporal stability of weed populations over four years (1999-2002). A number of plants for each species and the total weed coverage were investigated on the grid points. To determine the weed infestation variability, and the Patchiness-Index was calculated. Use of Surfer-software, and weed maps were created. For single weed species occurrence the correlation between 1999 and 2000 was calculated. The results document heterogeneous occurrences of weeds, especially Cirsium arvense (PI = 9.09-15.86), Tripleurospermum maritimum (PI = 11.01-217.30) and Galium aparine (PI = 4.61-7.70), whereas Viola arvensis and Stellaria media were distributed more homogeneously. Weed grasses occurred in all years slightly. G. aparine is characterized by relatively high spatial stability.

Suggested Citation

  • P. Hamouz & J. Soukup & J. Holec & M. Jursík, 2004. "Field-scale variability of weediness on arable land," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 50(3), pages 134-140.
    • Handle: RePEc:caa:jnlpse:v:50:y:2004:i:3:id:4019-pse
    DOI: 10.17221/4019-PSE
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