6. ЛИТЕРАТУРА
1. Barbedo, J. G. A.( 2019) A review on the use of unmanned aerial vehicles and imaging sensors for monitoring and assessing plant stresses. Drones 2019, 3, 40
2. Wang J., Rich P., Price K., Kettle W.( 2005) Relation between NDVI, Grassland production, and Crop Yield in Central Great Plains
3. Zhang, C., & Kovacs, J. M.( 2012). The application of small unmanned aerial systems for precision agriculture: A review. Precision Agriculture, 13( 6), 693-712
4. Matese, A., Di Gennaro,( 2015) Technology in precision viticulture: A state of the art review, International Journal of Wine Research 7( 1), 38, 69-80.
5. Lobell, D. B., Thau, D., Seifert, C., Engle, E., & Little, B.( 2015). A scalable satellite-based crop yield mapper. Remote Sensing of Environment, 164, 324-333.
6. Ганев, С., А. Арсова. 1980. Методи за определяне на силно киселинния и слабо киселинния катионен обмен в почвата. Почвознание и агрохимия, год. V, № 3,
22-33 Полезни връзки: https:// earthengine. google. com / https:// www. pix4d. com / https:// www. agisoft. com / https:// www. orfeo-toolbox. org / https:// earth. esa. int / eogateway / tools / snap https:// eos. com / products / landviewer /
АДРЕС НА АВТОРА
Д-р инж. Кирил Стоянов Съюз на геодезистите и земеустроителите в България e-mail: kirilstoianov _ maf @ yahoo. com
50