{"id":"https://openalex.org/W2593248160","doi":"https://doi.org/10.3390/rs9030237","title":"Spatial Variability Analysis of Within-Field Winter Wheat Nitrogen and Grain Quality Using Canopy Fluorescence Sensor Measurements","display_name":"Spatial Variability Analysis of Within-Field Winter Wheat Nitrogen and Grain Quality Using Canopy Fluorescence Sensor Measurements","publication_year":2017,"publication_date":"2017-03-04","ids":{"openalex":"https://openalex.org/W2593248160","doi":"https://doi.org/10.3390/rs9030237","mag":"2593248160"},"language":"en","primary_location":{"id":"doi:10.3390/rs9030237","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9030237","pdf_url":"https://www.mdpi.com/2072-4292/9/3/237/pdf?version=1488617323","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/9/3/237/pdf?version=1488617323","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000200794","display_name":"Xiaoyu Song","orcid":"https://orcid.org/0000-0003-0294-5705"},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Xiaoyu Song","raw_affiliation_strings":["Beijing Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","USDA-Agricultural Research Service, Aerial Application Technology Research Unit, 3103 F & B Road, College Station, TX 77845, USA"],"affiliations":[{"raw_affiliation_string":"Beijing Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"USDA-Agricultural Research Service, Aerial Application Technology Research Unit, 3103 F & B Road, College Station, TX 77845, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020713851","display_name":"Guijun Yang","orcid":"https://orcid.org/0000-0002-6425-8321"},"institutions":[{"id":"https://openalex.org/I4210156423","display_name":"National Engineering Research Center for Information Technology in Agriculture","ror":"https://ror.org/04c3j3t84","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210156423"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guijun Yang","raw_affiliation_strings":["Beijing Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","National Engineering Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China"],"affiliations":[{"raw_affiliation_string":"Beijing Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]},{"raw_affiliation_string":"National Engineering Research Center for Information Technology in Agriculture, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210156423"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049743100","display_name":"Chenghai Yang","orcid":"https://orcid.org/0000-0002-9898-628X"},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Chenghai Yang","raw_affiliation_strings":["USDA-Agricultural Research Service, Aerial Application Technology Research Unit, 3103 F & B Road, College Station, TX 77845, USA"],"affiliations":[{"raw_affiliation_string":"USDA-Agricultural Research Service, Aerial Application Technology Research Unit, 3103 F & B Road, College Station, TX 77845, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100610291","display_name":"Jihua Wang","orcid":"https://orcid.org/0000-0003-2105-9514"},"institutions":[{"id":"https://openalex.org/I4210146959","display_name":"Beijing Academy of Agricultural and Forestry Sciences","ror":"https://ror.org/04trzn023","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210146959"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Jihua Wang","raw_affiliation_strings":["Beijing Research Center for Agri-Food Testing and Farmland Monitoring, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China"],"affiliations":[{"raw_affiliation_string":"Beijing Research Center for Agri-Food Testing and Farmland Monitoring, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China","institution_ids":["https://openalex.org/I4210146959"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109414094","display_name":"Bei Cui","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bei Cui","raw_affiliation_strings":["The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, P.O. Box 9718, 20 Datun Road, Chaoyang, Beijing 100101, China"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, P.O. Box 9718, 20 Datun Road, Chaoyang, Beijing 100101, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5100610291"],"corresponding_institution_ids":["https://openalex.org/I4210146959"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.2287,"has_fulltext":true,"cited_by_count":25,"citation_normalized_percentile":{"value":0.86812538,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"9","issue":"3","first_page":"237","last_page":"237"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9994999766349792,"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":0.9994999766349792,"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":0.9993000030517578,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","score":0.9955000281333923,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6934074759483337},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5737990140914917},{"id":"https://openalex.org/keywords/spatial-variability","display_name":"Spatial variability","score":0.5383919477462769},{"id":"https://openalex.org/keywords/precision-agriculture","display_name":"Precision agriculture","score":0.5017170906066895},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.49933886528015137},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.4669806659221649},{"id":"https://openalex.org/keywords/nitrogen","display_name":"Nitrogen","score":0.43906399607658386},{"id":"https://openalex.org/keywords/kriging","display_name":"Kriging","score":0.4308733642101288},{"id":"https://openalex.org/keywords/winter-wheat","display_name":"Winter wheat","score":0.4114207625389099},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.32748469710350037},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20029908418655396},{"id":"https://openalex.org/keywords/agriculture","display_name":"Agriculture","score":0.13070625066757202},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09574967622756958}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6934074759483337},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5737990140914917},{"id":"https://openalex.org/C94747663","wikidata":"https://www.wikidata.org/wiki/Q7574086","display_name":"Spatial variability","level":2,"score":0.5383919477462769},{"id":"https://openalex.org/C120217122","wikidata":"https://www.wikidata.org/wiki/Q740083","display_name":"Precision agriculture","level":3,"score":0.5017170906066895},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.49933886528015137},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.4669806659221649},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.43906399607658386},{"id":"https://openalex.org/C81692654","wikidata":"https://www.wikidata.org/wiki/Q225926","display_name":"Kriging","level":2,"score":0.4308733642101288},{"id":"https://openalex.org/C3018661444","wikidata":"https://www.wikidata.org/wiki/Q6977574","display_name":"Winter wheat","level":2,"score":0.4114207625389099},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.32748469710350037},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20029908418655396},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.13070625066757202},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09574967622756958},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs9030237","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9030237","pdf_url":"https://www.mdpi.com/2072-4292/9/3/237/pdf?version=1488617323","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:a24347eaa476498db0c2cc4a33e68f60","is_oa":true,"landing_page_url":"https://doaj.org/article/a24347eaa476498db0c2cc4a33e68f60","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 9, Iss 3, p 237 (2017)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/9/3/237/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs9030237","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 9; Issue 3; Pages: 237","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs9030237","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9030237","pdf_url":"https://www.mdpi.com/2072-4292/9/3/237/pdf?version=1488617323","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"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":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.7900000214576721}],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G4011727544","display_name":null,"funder_award_id":"41371349","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G645649324","display_name":null,"funder_award_id":"201509110050","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"},{"id":"https://openalex.org/G8589651859","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320322725","funder_display_name":"China Scholarship Council"},{"id":"https://openalex.org/G8635621265","display_name":null,"funder_award_id":"4137134","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322725","display_name":"China Scholarship Council","ror":"https://ror.org/04atp4p48"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2593248160.pdf","grobid_xml":"https://content.openalex.org/works/W2593248160.grobid-xml"},"referenced_works_count":61,"referenced_works":["https://openalex.org/W17029900","https://openalex.org/W300619010","https://openalex.org/W312905579","https://openalex.org/W1488568466","https://openalex.org/W1496706760","https://openalex.org/W1502721187","https://openalex.org/W1965822557","https://openalex.org/W1971798222","https://openalex.org/W1977333659","https://openalex.org/W1980640717","https://openalex.org/W1982028119","https://openalex.org/W1986240468","https://openalex.org/W1989667116","https://openalex.org/W1990180120","https://openalex.org/W1994738086","https://openalex.org/W1997753817","https://openalex.org/W1998232372","https://openalex.org/W2003169617","https://openalex.org/W2007105595","https://openalex.org/W2007631782","https://openalex.org/W2008267762","https://openalex.org/W2009542758","https://openalex.org/W2011520866","https://openalex.org/W2013617782","https://openalex.org/W2031772235","https://openalex.org/W2036689227","https://openalex.org/W2039509161","https://openalex.org/W2055199209","https://openalex.org/W2056193610","https://openalex.org/W2057820108","https://openalex.org/W2059138966","https://openalex.org/W2062599367","https://openalex.org/W2067081804","https://openalex.org/W2073258290","https://openalex.org/W2075215387","https://openalex.org/W2080333585","https://openalex.org/W2084236720","https://openalex.org/W2090244042","https://openalex.org/W2094733511","https://openalex.org/W2098688983","https://openalex.org/W2102115020","https://openalex.org/W2109542058","https://openalex.org/W2111947859","https://openalex.org/W2115663229","https://openalex.org/W2117333625","https://openalex.org/W2132527497","https://openalex.org/W2138132843","https://openalex.org/W2161349927","https://openalex.org/W2165253102","https://openalex.org/W2326247955","https://openalex.org/W2364508964","https://openalex.org/W2372007819","https://openalex.org/W2388175129","https://openalex.org/W3184428073","https://openalex.org/W4210300258","https://openalex.org/W4213003375","https://openalex.org/W4250716573","https://openalex.org/W4285719527","https://openalex.org/W6675060911","https://openalex.org/W6990095494","https://openalex.org/W7018634599"],"related_works":["https://openalex.org/W1968523686","https://openalex.org/W298893735","https://openalex.org/W2347729776","https://openalex.org/W2199291344","https://openalex.org/W2081457971","https://openalex.org/W2028659695","https://openalex.org/W2072749356","https://openalex.org/W2167342507","https://openalex.org/W4247222564","https://openalex.org/W3022414446"],"abstract_inverted_index":{"Wheat":[0,37],"grain":[1,81,113],"protein":[2],"content":[3,161],"(GPC)":[4],"is":[5,14,42],"a":[6,40],"key":[7],"component":[8],"when":[9],"evaluating":[10],"wheat":[11,19,34,74,85,112,140,145,199,228],"nutrition.":[12],"It":[13],"also":[15,174],"important":[16],"to":[17,31,46,66,79,94,120,136,207,233],"determine":[18],"GPC":[20,38,142,200,202],"before":[21],"harvest":[22],"for":[23],"agricultural":[24],"and":[25,53,70,92,104,144,153,162,186,201],"food":[26],"process":[27],"enterprises":[28],"in":[29,55,169,205,223],"order":[30,206],"optimize":[32],"the":[33,47,56,68,80,96,111,170,177,192,198,218,224],"grading":[35],"process.":[36],"across":[39,106],"field":[41,62,172],"spatially":[43],"variable":[44],"due":[45],"inherent":[48],"variability":[49,72,100,221],"of":[50,60,73,83,98,101,139,213,227],"soil":[51,102,163,184,187],"properties":[52],"position":[54],"landscape.":[57],"The":[58,180,211],"objectives":[59],"this":[61,214],"study":[63,171,215],"were:":[64],"(i)":[65],"assess":[67,208],"spatial":[69,99,220],"temporal":[71],"nitrogen":[75],"(N)":[76],"attributes":[77],"related":[78],"quality":[82],"winter":[84],"production":[86],"through":[87,176],"canopy":[88,146],"fluorescence":[89,147,181],"sensor":[90],"measurements;":[91],"(ii)":[93],"examine":[95],"influence":[97],"N":[103],"moisture":[105],"different":[107],"growth":[108,229],"stages":[109],"on":[110],"quality.":[114],"A":[115],"geostatistical":[116],"approach":[117],"was":[118,134],"used":[119,135,232],"analyze":[121],"data":[122],"collected":[123],"from":[124,191],"110":[125],"georeferenced":[126],"locations.":[127],"In":[128],"particular,":[129],"Ordinary":[130],"Kriging":[131],"Analysis":[132],"(OKA)":[133],"produce":[137,237],"maps":[138,189,204],"GPC,":[141],"yield,":[143],"parameters,":[148],"including":[149],"simple":[150],"florescence":[151],"ratio":[152],"Nitrogen":[154],"Balance":[155],"Indices":[156],"(NBI).":[157],"Soil":[158],"Nitrate-Nitrogen":[159],"(NO3-N)":[160],"Time":[164],"Domain":[165],"Reflectometry":[166],"(TDR)":[167],"value":[168],"were":[173,195],"interpolated":[175],"OKA":[178,193],"method.":[179],"parameter":[182],"maps,":[183],"NO3-N":[185],"TDR":[188],"obtained":[190],"output":[194],"compared":[196],"with":[197],"yield":[203],"their":[209],"relationships.":[210],"results":[212],"indicate":[216],"that":[217,236],"NBI":[219],"map":[222],"late":[225],"stage":[226],"can":[230],"be":[231],"distinguish":[234],"areas":[235],"higher":[238],"GPC.":[239]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":5},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":6},{"year":2018,"cited_by_count":2}],"updated_date":"2026-04-16T08:26:57.006410","created_date":"2017-03-16T00:00:00"}