{"id":"https://openalex.org/W7128316012","doi":"https://doi.org/10.3390/data11020035","title":"In Situ Crop and Soil Data and UAV Imagery from Winter Wheat Fields in a Bulgarian Site","display_name":"In Situ Crop and Soil Data and UAV Imagery from Winter Wheat Fields in a Bulgarian Site","publication_year":2026,"publication_date":"2026-02-07","ids":{"openalex":"https://openalex.org/W7128316012","doi":"https://doi.org/10.3390/data11020035"},"language":"en","primary_location":{"id":"doi:10.3390/data11020035","is_oa":true,"landing_page_url":"https://doi.org/10.3390/data11020035","pdf_url":"https://www.mdpi.com/2306-5729/11/2/35/pdf","source":{"id":"https://openalex.org/S4210226510","display_name":"Data","issn_l":"2306-5729","issn":["2306-5729"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Data","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2306-5729/11/2/35/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5125352733","display_name":"Petar Dimitrov","orcid":null},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":true,"raw_author_name":"Petar Dimitrov","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062266186","display_name":"Eugenia Roumenina","orcid":"https://orcid.org/0009-0007-4705-1023"},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Eugenia Roumenina","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066597131","display_name":"Georgi Jelev","orcid":"https://orcid.org/0009-0006-5437-1060"},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Georgi Jelev","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125352379","display_name":"Lachezar Filchev","orcid":null},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Lachezar Filchev","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050547865","display_name":"Alexander Gikov","orcid":null},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Alexander Gikov","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053302647","display_name":"Ilina Kamenova","orcid":"https://orcid.org/0000-0003-4607-3064"},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Ilina Kamenova","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032167223","display_name":"Iliana Ilieva","orcid":"https://orcid.org/0009-0009-8778-4939"},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Iliana Ilieva","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5079882171","display_name":"Dessislava Ganeva","orcid":"https://orcid.org/0000-0001-9265-9539"},"institutions":[{"id":"https://openalex.org/I2802805805","display_name":"Space Research and Technology Institute","ror":"https://ror.org/03wye8c03","country_code":"BG","type":"facility","lineage":["https://openalex.org/I24768866","https://openalex.org/I2802805805"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Dessislava Ganeva","raw_affiliation_strings":["Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Space Research and Technology Institute, Bulgarian Academy of Sciences, Acad. G. Bonchev St., Blok 1, 1113 Sofia, Bulgaria","institution_ids":["https://openalex.org/I2802805805"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002864946","display_name":"Milena Kercheva","orcid":"https://orcid.org/0000-0001-9053-5372"},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Milena Kercheva","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5040241077","display_name":"Martin Banov","orcid":"https://orcid.org/0000-0002-4491-5646"},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Martin Banov","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039611103","display_name":"Veneta Krasteva","orcid":"https://orcid.org/0000-0002-8898-765X"},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Veneta Krasteva","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025938851","display_name":"Viktor Kolchakov","orcid":"https://orcid.org/0000-0002-7155-5594"},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Viktor Kolchakov","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125349071","display_name":"Emil Dimitrov","orcid":null},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Emil Dimitrov","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5125370026","display_name":"Nevena Miteva","orcid":null},"institutions":[{"id":"https://openalex.org/I4210138677","display_name":"Institute of Soil Science \u201cNikola Poushkarov\u201d","ror":"https://ror.org/04m4eyr93","country_code":"BG","type":"facility","lineage":["https://openalex.org/I4210138677","https://openalex.org/I4210163436"]}],"countries":["BG"],"is_corresponding":false,"raw_author_name":"Nevena Miteva","raw_affiliation_strings":["Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria"],"affiliations":[{"raw_affiliation_string":"Institute of Soil Science, Agrotechnologies and Plant Protection \u201cNikola Poushkarov\u201d, Agricultural Academy, 7 Shose Bankya St., 1331 Sofia, Bulgaria","institution_ids":["https://openalex.org/I4210138677"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":14,"corresponding_author_ids":["https://openalex.org/A5125352733"],"corresponding_institution_ids":["https://openalex.org/I2802805805"],"apc_list":{"value":1600,"currency":"CHF","value_usd":1732},"apc_paid":{"value":1600,"currency":"CHF","value_usd":1732},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.28241428,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"2","first_page":"35","last_page":"35"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9024999737739563,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9024999737739563,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.011699999682605267,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T14069","display_name":"Scientific Research Methodologies and Applications","score":0.010400000028312206,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6310999989509583},{"id":"https://openalex.org/keywords/crop","display_name":"Crop","score":0.5960999727249146},{"id":"https://openalex.org/keywords/precision-agriculture","display_name":"Precision agriculture","score":0.5227000117301941},{"id":"https://openalex.org/keywords/winter-wheat","display_name":"Winter wheat","score":0.4884999990463257},{"id":"https://openalex.org/keywords/photosynthetically-active-radiation","display_name":"Photosynthetically active radiation","score":0.46149998903274536},{"id":"https://openalex.org/keywords/cover-crop","display_name":"Cover crop","score":0.46000000834465027},{"id":"https://openalex.org/keywords/crop-rotation","display_name":"Crop rotation","score":0.38609999418258667},{"id":"https://openalex.org/keywords/agriculture","display_name":"Agriculture","score":0.3817000091075897}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7893000245094299},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6310999989509583},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.5960999727249146},{"id":"https://openalex.org/C120217122","wikidata":"https://www.wikidata.org/wiki/Q740083","display_name":"Precision agriculture","level":3,"score":0.5227000117301941},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5144000053405762},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5102999806404114},{"id":"https://openalex.org/C3018661444","wikidata":"https://www.wikidata.org/wiki/Q6977574","display_name":"Winter wheat","level":2,"score":0.4884999990463257},{"id":"https://openalex.org/C131366478","wikidata":"https://www.wikidata.org/wiki/Q900892","display_name":"Photosynthetically active radiation","level":3,"score":0.46149998903274536},{"id":"https://openalex.org/C34070608","wikidata":"https://www.wikidata.org/wiki/Q3001783","display_name":"Cover crop","level":2,"score":0.46000000834465027},{"id":"https://openalex.org/C175760724","wikidata":"https://www.wikidata.org/wiki/Q191258","display_name":"Crop rotation","level":3,"score":0.38609999418258667},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.3817000091075897},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.3741999864578247},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.3555000126361847},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.3540000021457672},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.33390000462532043},{"id":"https://openalex.org/C201401522","wikidata":"https://www.wikidata.org/wiki/Q7201505","display_name":"Plant cover","level":3,"score":0.3149999976158142},{"id":"https://openalex.org/C126343540","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Crop yield","level":2,"score":0.31279999017715454},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.29679998755455017},{"id":"https://openalex.org/C1549246","wikidata":"https://www.wikidata.org/wiki/Q718775","display_name":"Normalized Difference Vegetation Index","level":3,"score":0.28949999809265137},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.27720001339912415},{"id":"https://openalex.org/C72551326","wikidata":"https://www.wikidata.org/wiki/Q5187947","display_name":"Crop coefficient","level":3,"score":0.2712000012397766},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.2648000121116638},{"id":"https://openalex.org/C2776054349","wikidata":"https://www.wikidata.org/wiki/Q18648871","display_name":"Vegetation classification","level":3,"score":0.2648000121116638}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/data11020035","is_oa":true,"landing_page_url":"https://doi.org/10.3390/data11020035","pdf_url":"https://www.mdpi.com/2306-5729/11/2/35/pdf","source":{"id":"https://openalex.org/S4210226510","display_name":"Data","issn_l":"2306-5729","issn":["2306-5729"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Data","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:6d0df4631baf46379b4cd5417c456750","is_oa":true,"landing_page_url":"https://doaj.org/article/6d0df4631baf46379b4cd5417c456750","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Data, Vol 11, Iss 2, p 35 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/data11020035","is_oa":true,"landing_page_url":"https://doi.org/10.3390/data11020035","pdf_url":"https://www.mdpi.com/2306-5729/11/2/35/pdf","source":{"id":"https://openalex.org/S4210226510","display_name":"Data","issn_l":"2306-5729","issn":["2306-5729"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Data","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G595790880","display_name":null,"funder_award_id":"4000117474/16/NL/NDe","funder_id":"https://openalex.org/F4320318240","funder_display_name":"European Space Agency"}],"funders":[{"id":"https://openalex.org/F4320318240","display_name":"European Space Agency","ror":"https://ror.org/03wd9za21"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7128316012.pdf","grobid_xml":"https://content.openalex.org/works/W7128316012.grobid-xml"},"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"This":[0],"data":[1,23,109,143,152],"descriptor":[2],"presents":[3],"a":[4,29,66,172],"dataset":[5,51,114,163],"comprising":[6],"crop":[7,47,99,122],"and":[8,45,64,108,124,158,169,194],"soil":[9,93,130,139],"parameters":[10],"measured":[11],"in":[12,132,177,189],"winter":[13,190],"wheat":[14,191],"fields":[15],"near":[16],"the":[17,32,133,156],"town":[18],"of":[19,28,34,53,69,75,103],"Knezha,":[20],"Bulgaria.":[21],"The":[22,49,113,128,151,162],"were":[24,136,144,153],"collected":[25,154],"as":[26,171,185],"part":[27],"project":[30],"evaluating":[31],"potential":[33],"vegetation":[35,80],"indices":[36],"derived":[37],"from":[38,56,146],"Sentinel-2":[39],"satellite":[40],"imagery":[41],"to":[42],"predict":[43],"biophysical":[44],"biochemical":[46],"parameters.":[48],"core":[50],"consists":[52],"measurements":[54],"obtained":[55,145],"20":[57,60],"m":[58,61],"\u00d7":[59],"field":[62,125],"plots":[63],"includes":[65],"broad":[67],"range":[68],"parameters:":[70],"leaf":[71],"area":[72,135],"index,":[73],"fraction":[74],"absorbed":[76],"photosynthetically":[77],"active":[78],"radiation,":[79],"cover":[81],"fraction,":[82],"chlorophyll":[83],"content,":[84,89],"above-ground":[85],"biomass,":[86],"plant":[87,97],"nitrogen":[88],"biological":[90],"yield,":[91],"surface":[92],"moisture,":[94],"spectral":[95],"reflectance,":[96],"density,":[98],"height,":[100],"visual":[101],"assessments":[102],"disease":[104],"or":[105],"pest":[106],"damage,":[107],"on":[110],"weed":[111],"occurrence.":[112],"is":[115,164],"complemented":[116],"by":[117],"unmanned":[118],"aerial":[119],"vehicle":[120],"imagery,":[121],"calendars,":[123],"management":[126],"information.":[127],"main":[129],"types":[131],"study":[134],"characterized":[137],"through":[138],"profiles,":[140],"while":[141],"meteorological":[142],"an":[147],"automated":[148],"weather":[149],"station.":[150],"during":[155],"2016\u20132017":[157],"2017\u20132018":[159],"agricultural":[160],"seasons.":[161],"freely":[165],"available":[166],"for":[167,175,180,186],"download":[168],"serves":[170],"valuable":[173],"resource":[174],"researchers":[176],"remote":[178],"sensing\u2014particularly":[179],"validating":[181],"satellite-derived":[182],"products\u2014as":[183],"well":[184],"specialists":[187],"involved":[188],"monitoring,":[192],"modeling,":[193],"agronomic":[195],"studies.":[196]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2026-02-09T00:00:00"}
