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Please use this identifier to cite or link to this item:
https://hdl.handle.net/10593/15567
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Value
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dc.contributor.author
Piekarczyk, Jan
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dc.contributor.author
Sulewska, Hanna
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dc.contributor.author
Szymańska, Grażyna
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dc.date.accessioned
2016-11-17T16:18:52Z
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dc.date.available
2016-11-17T16:18:52Z
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dc.date.issued
2011
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dc.identifier.citation
Quaestiones Geographicae vol. 30 (1), 2011. pp. 77-84
pl_PL
dc.identifier.isbn
978-83-62662-62-3
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dc.identifier.issn
0137- 477X
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dc.identifier.uri
http://hdl.handle.net/10593/15567
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dc.description.abstract
Spectral 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.iso
eng
pl_PL
dc.publisher
Wydział Nauk Geograficznych i Geologicznych Uniwersytetu im. Adama Mickiewicza
pl_PL
dc.rights
info:eu-repo/semantics/openAccess
pl_PL
dc.subject
Remote Sensing
pl_PL
dc.subject
ground hyperspectral measurements
pl_PL
dc.subject
winter oilseed rape
pl_PL
dc.subject
yield
pl_PL
dc.title
Winter oilseed-rape yield estimates from hyperspectral radiometer measurements
pl_PL
dc.type
Artykuł
pl_PL
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Quaestiones Geographicae vol. 30 (1), 2011
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