Abstract: A method for automatic delineation of agricultural field management zones using remote sensing data from multiple years of observation and field data, including: selecting and processing remote sensing images appropriate for management zones delineation; defining management zones analytics parameters; generating a dataset by calculating vegetation indices for every appropriate remote sensing image, by removing outliers and values of non-arable spots, by considering different resolutions of remote sensing images, by applying statistical interpolation algorithms; generating field management zones by applying statistical classification methods on the dataset including merging small and separate management zones into larger neighboring zones. A computer system is programmed and configured to generate field management zones automatically; to enable user to assign rates for every management zone, and to export them to agricultural machinery and to mobile phone or tablet device for online and offline usage.