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Revista Ciencias Técnicas Agropecuarias
versión On-line ISSN 2071-0054
Resumen
GARCIA-REYES, Roberto Alejandro; GONZALEZ POSADA-DACOSTA, Mario Damian; VILLAZON-GOMEZ, Juan Alejandro y RODRIGUEZ-RODRIGUEZ, Sergio. Salinity-sugarcane cultivation relationship determined by remote sensing at the Urbano Noris Sugar Mill. Rev Cie Téc Agr [online]. 2021, vol.30, n.2 Epub 01-Abr-2021. ISSN 2071-0054.
The objective of the research was to determine the relationship between soil salinity and the state of the vegetation in areas of the Sugar Mill UEB “Urbano Noris”, in Holguín Province. The image used was corrected radiometrically with the use of the QGis 3.10A Coruña software and the NDVI and SI indices were determined. By means of a random sampling in 10 production units, the values were extracted in 50 points separated at 100 meters to perform the regression analysis between the salinity and the vegetation indexes and to interpret their statistics by using the Statgraphics Plus 5.0 software. The use of the NDVI as an indicator of the vegetation state showed the presence of vast areas under stress with values lower than 0.5, just as the saline index showed a high proportion of soils with high salt content with negative indices from -1 to 0. The use of remote sensing to determine soil salinity showed that between them there is a negative correlation of - 88.44% and a determination of 71.25%, which defines a inverse dependence between both variables.
Palabras clave : linear regression; salinity index; vegetation index.