Uso de imágenes captadas mediante UAV para estimar el estado general de huertas citrícolas
Use of UAV imagery to estimate the topography, morphostructure and health status of citrus orchards
DOI:
https://doi.org/10.54167/tch.v16i2.1007Keywords:
unmanned aerial vehicles, citrus orchards, precision agricultureAbstract
The Unmanned aerial vehicles (UAVs) allow constant monitoring of variables of importance for agricultural production. This is why its use is desirable. Therefore, the objective of the study was to estimate the topography, morphostructural characteristics and health status of trees in two citrus orchards using UAV imagery. Photogrammetry was performed and individual tree height, crown diameter, number of trees, geolocation of missing trees, identification of trees of other species and orchard health were determined using the Normalized Difference Vegetation Index (NDVI). According to the results, it is possible to identify and geolocate the number of trees, know the actual planting frame, and determine the height of trees 70 % faster compared to the random method. The average tree height was 3 and 4 m in orchard 1 and 2, respectively. The NDVI in the orchards ranged from 0.18 to 0.95, with the highest values found in orchard 2. The information obtained can be used by producers to correct failures in a directed way, as well as by insurers for the renewal and estimation of the costs of insurance policies.
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