Please use this identifier to cite or link to this item: https://hdl.handle.net/10593/15567
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dc.contributor.authorPiekarczyk, Jan-
dc.contributor.authorSulewska, Hanna-
dc.contributor.authorSzymańska, Grażyna-
dc.date.accessioned2016-11-17T16:18:52Z-
dc.date.available2016-11-17T16:18:52Z-
dc.date.issued2011-
dc.identifier.citationQuaestiones Geographicae vol. 30 (1), 2011. pp. 77-84pl_PL
dc.identifier.isbn978-83-62662-62-3-
dc.identifier.issn0137- 477X-
dc.identifier.urihttp://hdl.handle.net/10593/15567-
dc.description.abstractSpectral reflectance data can be used for estimation of plant biophysical parameters such as seed yield, related to the use of solar energy. A field experiment was conducted to investigate relationships between canopy reflectance and seed yield of winter oilseed rape sown on four different dates. Ground hyperspectral reflectance measurements were made using a hand-held radiometer and multispectral images were taken with a VIS-NIR camera. The different sowing dates generated a wide range of difference in crop spectral response and seed yields. The strongest relationships (R2=0.87) between the yield and spectral data recorded by both sensors occurred at early flowering stages. Later, the presence of flowers caused a decline in the relationship between yield and spectral data especially in the visible (VIS) range. In the full flowering stage the strongest correlation (R2=0.72) with the yield showed vegetation indices of the near-infrared (NIR) bands.pl_PL
dc.language.isoengpl_PL
dc.publisherWydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewiczapl_PL
dc.rightsinfo:eu-repo/semantics/openAccesspl_PL
dc.subjectRemote Sensingpl_PL
dc.subjectground hyperspectral measurementspl_PL
dc.subjectwinter oilseed rapepl_PL
dc.subjectyieldpl_PL
dc.titleWinter oilseed-rape yield estimates from hyperspectral radiometer measurementspl_PL
dc.typeArtykułpl_PL
Appears in Collections:Quaestiones Geographicae vol. 30 (1), 2011

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