Application of GIS and RS in real time crop monitoring and yield forecasting: a case study of cotton fields in low and high productive farmlandsZokhid Mamatkulov, Eshkobil Safarov, Rustam Oymatov, Ilhom Abdurahmanov and Maksud RajapbaevE3S Web Conf., 227 (2021) 03001DOI: https://doi.org/10.1051/e3sconf/202122703001