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Himstedt, Maike; Fricke, Thomas; Wachendorf, Michael. |
A pot experiment in a greenhouse was conducted to follow the question how to esti-mate dominance of legumes in legume/grass swards by image analysis. Pure swards and binary legume/grass mixtures of red clover, white clover, lucerne and perennial ryegrass were sown in two week intervals and harvested together 35, 49 or 63 days after sowing to have different old swards. Digital photos of all variants were taken one day before harvesting. Sward composition was detected by fractionating biomass in grass, legumes and unsown species as reference. Eight images of the oldest swards were selected for determining an optimal image analysis procedure with Optimas®. This image analysis procedure was used for all variants of all ages. The estimated dominances of... |
Tipo: Conference paper, poster, etc. |
Palavras-chave: Crop combinations and interactions. |
Ano: 2007 |
URL: http://orgprints.org/9565/1/9565_Himstedt_Poster.pdf |
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