Studies on spectral reflectance under normal and nitrogen,phosphorus and pest and disease stress condition in soybean (<Emphasis Type="Italic">Glycine max</Emphasis> L.) |
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| Authors: | V D Patil P B Adsul L S Deshmukh |
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| Institution: | 1.Department of Soil Science and Agricultural Chemistry,Marathwada Agricultural University,Parbhani (M.S.),India |
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| Abstract: | The results emerged out of the studies on spectral reflectance under normal and nitrogen and phosphorus stress condition in
soybean (Glycine max L.) conducted at Marathwada Agricultural University experimental farm, Parbhani duringkharif 2004–05 showed that crop growth and bio-physiological parameters viz., Height, chlorophyll, leaf area index and total biomass
influenced by pest and disease and nutrient stress resulted in detectable spectral reflectance variation. Poor crop growth,
reduced canopy cover, chlorophyll content and biomass production are the effects observed in nutrient deficient crops. These
above changes in soybean crop were related to spectral indices (RVI and NDVI) that are resulted in discrimination of stressed
and normal (non-stressed) soybean crop. |
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