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Poplar
2024, Issue 214, p. 59-72

Original scientific paper
DOI: 10.5937/topola2414059V
UDC: 631:528.8.044(497.11)

The impact of windbreaks on vegetation indices of field crops


Vladimir Višacki 1* orcid logo, Lazar Pavlović 2 orcid logo, Srđan Stojnić 1 orcid logo, Dejan B. Stojanović 1 orcid logo, Lazar Kesić 1 orcid logo, Lazar Turšijan 2, Saša Orlović 1 orcid logo


1 University of Novi Sad, Institute of Lowland Forestry and Environment, Novi Sad, Serbia
2 University of Novi Sad, Faculty of Agriculture, Novi Sad, Serbia

Corresponding author:
Vladimir Višacki, E-mail: vladimir.visacki@gmail.com


Abstract

In this research, vegetation indices (VI) were analyzed as tools for assessing the vegetative growth, using satellite images from the Sentinel-2 and Planet Explorer systems. These images allow the quantification of the reflection of electromagnetic radiation, which provides a detailed insight into the health and dynamics of plants. The aim of the study is to observe the impact of a windbreak on agricultural crops. The research calculated indices such as NDVI, GNDVI, GLI and TVI, and leaf chlorophyll indices, which are used to assess the density, health and stress of vegetation at different locations. Each index has a specific application in the analysis of plant cover and plant health, and the results vary depending on the location and the vegetation phenophase. The impact of agroforestry systems on the surrounding agricultural crop has been recorded, and depends on the size of the trees, condition and area of ​​the windbreaks. Windbreaks have a positive impact on crops in the immediate vicinity. The analysis of the relevant vegetation indices revealed that their values ​​are higher than the rest of the plot. Contrary to this, where windbreaks were not established, a positive effect in terms of biomass, chlorophyll content or general condition was absent. Satellite technologies and vegetation indices enable fast and efficient monitoring of the vegetative growth, but the accuracy of these analyzes depends on the incorporation of additional field data. The use of satellite images from different systems enables effective monitoring of vegetation in real time, while more detailed analyzes can provide insight into the impact of windbreaks on the surrounding plant cover. Further refinement of the methodology is recommended in order to increase the accuracy and reliability of the conclusions.


Keywords: vegetation indices, satellite images, multispectral images, windbrakes, agroforestry systems, agricultural crops.

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University of Novi Sad
Institute of Lowland Forestry and Environment
Antona Čehova 13d
21000 Novi Sad
Republic of Serbia
Tel: +381 21 540 383
E-mail: ilfe@uns.ac.rs
www.ilfe.org