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Subjects nitrogen Remove constraint nitrogen: nitrogen Subjects hyperspectral imagery Remove constraint hyperspectral imagery: hyperspectral imagery

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1. A generalizable method for remote sensing of canopy nitrogen across a wide range of forest ecosystems

Description:: Includes references
Author:: Martin, M.E. , Plourde, L.C. , Ollinger, S.V. , Smith, M.L. , McNeil, B.E.
Subject:: forest canopy , hyperspectral imagery , remote sensing , leaves , nitrogen , image analysis , algorithms , spatial data , detection , geographical distribution , data analysis , calibration , forest ecosystems , latitude , gas emissions
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

2. Alternate satellite models for estimation of sugar beet residue nitrogen credit

Description:: Includes references
Author:: Beeri, O. , Phillips, R. , Carson, P. , Liebig, M.
Subject:: sugar beet , Beta vulgaris , agroecosystems , nitrogen , nutrient balance , carbon nitrogen ratio , crop residues , hyperspectral imagery , multispectral imagery , North Dakota
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

3. Assessment of Vegetation Stress Using Reflectance or Fluorescence Measurements

Description:: Includes references
Author:: Campbell, P.K.E. , Middleton, E.M. , McMurtrey, J.E. , Corp, L.A. , Chappelle, E.W.
Subject:: plant stress , detection , remote sensing , corn , nitrogen , nutrient deficiencies , nutrient excess , soybeans , Glycine max , carbon dioxide , elevated atmospheric gases , ozone , air pollution , Acer rubrum , ultraviolet radiation , leaves , fluorescence , reflectance , spectral analysis , hyperspectral imagery , analytical methods , Zea mays
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2007

4. Canopy assessment of biochemical features by ground-based hyperspectral data for an invasive species, giant reed (Arundo donax)

Description:: Includes references
Author:: Ge, Shaokui , Carruthers, Raymond I. , Spencer, David F. , Yu, Qian
Subject:: Arundo donax , spectral analysis , nondestructive methods , hyperspectral imagery , image analysis , remote sensing , chlorophyll , carbon , nitrogen , invasive species , aquatic weeds , plant nutrition , nutrients , canopy , reflectance , noxious weeds , Southwestern United States
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2008

5. Nitrogen deficiency effects on plant growth, leaf photosynthesis, and hyperspectral reflectance properties of sorghum

Description:: Includes references
Author:: Zhao, D. , Reddy, K.R. , Kakani, V.G. , Reddy, V.R.
Subject:: Sorghum bicolor , grain sorghum , nitrogen , plant nutrition , plant growth , photosynthesis , hyperspectral imagery , reflectance , nutrient deficiencies , leaf area , dry matter accumulation , dry matter partitioning , chlorophyll
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2005

6. Spectral and thermal sensing for nitrogen and water status in rainfed and irrigated wheat environments

Description:: Includes references
Author:: Fitzgerald, G.J. , Rodriguez, D. , Christensen, L.K. , Belford, R. , Sadras, V.O. , Clarke, T.R.
Subject:: Triticum aestivum , remote sensing , hyperspectral imagery , temperature , image analysis , nitrogen , fertilizer application , canopy , water , water stress , precision agriculture , chlorophyll , equations , dryland farming , irrigated farming
Collection:: Journal Articles, USDA Authors, Peer-Reviewed
Year:: 2006