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Fig. 4 | Bioresources and Bioprocessing

Fig. 4

From: Digital technology dilemma: on unlocking the soil quality index conundrum

Fig. 4

(Source: de Paul Obade (2011))

The interrelationship between surface residue cover on soils with varying soil moisture on blue and red spectral reflectance wavelength bands (top), Normalized Difference Vegetation Index (NDVI) and Normalized Difference Water Index (NDWI) (bottom). The data is from a study conducted at Aurora and Lennox site (South Dakota, USA). The soil moisture content approximately 8% for dry soil, and 20% for wet soil respectively. The 95% confidence interval for the regression equation is shown

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