Published in Scientific Papers. Series B, Horticulture, Vol. LXVIII, Issue 1
Written by Dimka HAYTOVA, Zhulieta ARNAUDOVA, Nikolay PANAYOTOV
Of the spectral vegetation indices, NDVI is one of the most suitable for tracking the dynamics of vegetable crop development. Its values are most accurate in the active phases of pepper growth. Due to the individual nature for the determination of vegetation indices, it is necessary to look for correlation with the analytical measurements of plants. The aim of this paper is to determine the relationship between NDVI and in situ data in pepper plantations, field production in the phases of active plant growth. In situ data collection was carried out in a production pepper plantation, cv. Slonsko uho, grown under field conditions in the village of Katunitsa, Plovdiv region, Bulgaria. Measurements were carried out in two phases - mass flowering (BBCH 59610) and technological maturity (BBCH 73703). Vegetative plants parameters were determined. NDVI was obtained from Sentinel-2 HR multispectral satellite imagery. The relationships between NDVI and in situ data were determined.
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