{"id":"https://openalex.org/W2053501943","doi":"https://doi.org/10.2134/agronj2005.0225","title":"Imaging Spectroscopy for On\u2010Farm Measurement of Grassland Yield and Quality","display_name":"Imaging Spectroscopy for On\u2010Farm Measurement of Grassland Yield and Quality","publication_year":2006,"publication_date":"2006-09-01","ids":{"openalex":"https://openalex.org/W2053501943","doi":"https://doi.org/10.2134/agronj2005.0225","mag":"2053501943"},"language":"en","primary_location":{"id":"doi:10.2134/agronj2005.0225","doi":"https://doi.org/10.2134/agronj2005.0225","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2005.0225","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research.wur.nl/en/publications/imaging-spectroscopy-for-on-farm-measurement-of-grassland-yield-a","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5009150101","display_name":"Antonius G. T. SCHUT","orcid":"https://orcid.org/0000-0002-7512-728X","observed_orcids":["https://orcid.org/0000-0002-7512-728X"]},"institutions":[{"id":"https://openalex.org/I205640436","display_name":"Curtin University","ror":"https://ror.org/02n415q13","country_code":"AU","type":"education","lineage":["https://openalex.org/I205640436"]}],"countries":["AU"],"is_corresponding":true,"raw_author_name":"A. G. T. Schut","raw_affiliation_strings":["Dep. of Spatial Sciences Curtin Univ. of Technology GPO Box U1987 Perth Australia","Plant Research International P.O. Box 16, 6700 AA Wageningen the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Spatial Sciences Curtin Univ. of Technology GPO Box U1987 Perth Australia","institution_ids":["https://openalex.org/I205640436"]},{"raw_affiliation_string":"Plant Research International P.O. Box 16, 6700 AA Wageningen the Netherlands","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109048997","display_name":"G.W.A.M. van der Heijden","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. W. A. M. van der Heijden","raw_affiliation_strings":["Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059667425","display_name":"Idse E. Hoving","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I913481162","display_name":"Wageningen University & Research","ror":"https://ror.org/04qw24q55","country_code":"NL","type":"education","lineage":["https://openalex.org/I913481162"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"I. Hoving","raw_affiliation_strings":["Animal Sciences Group, Applied Research Wageningen Univ. and Research Centre P.O. Box 65 8200 AB Lelystad the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Animal Sciences Group, Applied Research Wageningen Univ. and Research Centre P.O. Box 65 8200 AB Lelystad the Netherlands","institution_ids":["https://openalex.org/I913481162"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036770689","display_name":"M.W.J. Stienezen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I913481162","display_name":"Wageningen University & Research","ror":"https://ror.org/04qw24q55","country_code":"NL","type":"education","lineage":["https://openalex.org/I913481162"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"M. W. J. Stienezen","raw_affiliation_strings":["Animal Sciences Group, Applied Research Wageningen Univ. and Research Centre P.O. Box 65 8200 AB Lelystad the Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Animal Sciences Group, Applied Research Wageningen Univ. and Research Centre P.O. Box 65 8200 AB Lelystad the Netherlands","institution_ids":["https://openalex.org/I913481162"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063645717","display_name":"F.K. van Evert","orcid":"https://orcid.org/0000-0003-0302-668X","observed_orcids":["https://orcid.org/0000-0003-0302-668X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"F. K. van Evert","raw_affiliation_strings":["Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008743695","display_name":"J. Meuleman","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Meuleman","raw_affiliation_strings":["Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Plant Research International, P.O. Box 16, 6700 AA Wageningen, The Netherlands","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5009150101"],"corresponding_institution_ids":["https://openalex.org/I205640436"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":2.0672,"has_fulltext":false,"cited_by_count":48,"citation_normalized_percentile":{"value":0.84436311,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":99},"biblio":{"volume":"98","issue":"5","first_page":"1318","last_page":"1325"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.6553000211715698,"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":0.6553000211715698,"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/T10640","display_name":"Spectroscopy and Chemometric Analyses","score":0.23360000550746918,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10616","display_name":"Smart Agriculture and AI","score":0.09309999644756317,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/hyperspectral-imaging","display_name":"hyperspectral imaging","score":0.8939999938011169},{"id":"https://openalex.org/keywords/hyperspectral-sensors","display_name":"hyperspectral sensors","score":0.9350000023841858},{"id":"https://openalex.org/keywords/grassland-yield","display_name":"grassland yield","score":0.9100000262260437},{"id":"https://openalex.org/keywords/forage-quality","display_name":"forage quality","score":0.8700000047683716},{"id":"https://openalex.org/keywords/dry-matter-yield","display_name":"dry matter yield","score":0.8859999775886536},{"id":"https://openalex.org/keywords/nutrient-concentration","display_name":"nutrient concentration","score":0.8119999766349792},{"id":"https://openalex.org/keywords/sugar-content","display_name":"sugar content","score":0.9520000219345093},{"id":"https://openalex.org/keywords/feeding-value","display_name":"feed value","score":0.8659999966621399},{"id":"https://openalex.org/keywords/mobile-measurement-system","display_name":"mobile measurement system","score":0.6880000233650208},{"id":"https://openalex.org/keywords/sensor-calibration","display_name":"sensor calibration","score":0.7639999985694885},{"id":"https://openalex.org/keywords/partial-least-squares-regression","display_name":"partial least squares regression","score":0.9509999752044678},{"id":"https://openalex.org/keywords/grassland-management","display_name":"grassland management","score":0.8019999861717224},{"id":"https://openalex.org/keywords/dairy-farms","display_name":"dairy farms","score":0.7369999885559082}],"concepts":[{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6896778345108032},{"id":"https://openalex.org/C165838908","wikidata":"https://www.wikidata.org/wiki/Q736777","display_name":"Calibration","level":2,"score":0.6786421537399292},{"id":"https://openalex.org/C22354355","wikidata":"https://www.wikidata.org/wiki/Q422009","display_name":"Partial least squares regression","level":2,"score":0.6079748272895813},{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.6004860401153564},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5544700026512146},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.5309412479400635},{"id":"https://openalex.org/C122383733","wikidata":"https://www.wikidata.org/wiki/Q865920","display_name":"Approximation error","level":2,"score":0.5124219059944153},{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.46443280577659607},{"id":"https://openalex.org/C48921125","wikidata":"https://www.wikidata.org/wiki/Q10861030","display_name":"Linear regression","level":2,"score":0.4608556628227234},{"id":"https://openalex.org/C149629883","wikidata":"https://www.wikidata.org/wiki/Q660926","display_name":"Fraction (chemistry)","level":2,"score":0.44112512469291687},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.40587228536605835},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3755921721458435},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.3377920985221863},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.3182620406150818},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.30618518590927124},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.24697259068489075},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.12484514713287354},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.09113258123397827},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.06963571906089783},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.06732147932052612},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.2134/agronj2005.0225","doi":"https://doi.org/10.2134/agronj2005.0225","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2005.0225","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},{"id":"pmh:oai:library.wur.nl:wurpubs/349119","doi":null,"is_oa":true,"landing_page_url":"https://research.wur.nl/en/publications/imaging-spectroscopy-for-on-farm-measurement-of-grassland-yield-a","pdf_url":null,"source":{"id":"https://openalex.org/S4210201231","display_name":"Socio-Environmental Systems Modeling","issn_l":"2663-3027","issn":["2663-3027"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"ISSN: 0002-1962","raw_type":"Article/Letter to editor"},{"id":"pmh:oai:espace.curtin.edu.au:20.500.11937/17082","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/20.500.11937/17082","pdf_url":null,"source":{"id":"https://openalex.org/S4306401790","display_name":"eSpace (Curtin University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205640436","host_organization_name":"Curtin University","host_organization_lineage":["https://openalex.org/I205640436"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Journal Article"},{"id":"pmh:wur:oai:library.wur.nl:wurpubs/349119","doi":null,"is_oa":false,"landing_page_url":"https://research.wur.nl/en/publications/imaging-spectroscopy-for-on-farm-measurement-of-grassland-yield-a","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Agronomy Journal, 98(5), 1318 - 1325","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:library.wur.nl:wurpubs/349119","doi":null,"is_oa":true,"landing_page_url":"https://research.wur.nl/en/publications/imaging-spectroscopy-for-on-farm-measurement-of-grassland-yield-a","pdf_url":null,"source":{"id":"https://openalex.org/S4210201231","display_name":"Socio-Environmental Systems Modeling","issn_l":"2663-3027","issn":["2663-3027"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"ISSN: 0002-1962","raw_type":"Article/Letter to editor"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.9208999872207642,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W51106753","https://openalex.org/W62946943","https://openalex.org/W226563776","https://openalex.org/W1249187418","https://openalex.org/W1510444525","https://openalex.org/W1514173946","https://openalex.org/W1576200465","https://openalex.org/W1695563742","https://openalex.org/W1964839430","https://openalex.org/W1965259267","https://openalex.org/W1966035399","https://openalex.org/W1968476890","https://openalex.org/W1973866236","https://openalex.org/W1975855611","https://openalex.org/W1976383142","https://openalex.org/W1984162860","https://openalex.org/W1994425604","https://openalex.org/W2018027183","https://openalex.org/W2032935471","https://openalex.org/W2046404820","https://openalex.org/W2052916447","https://openalex.org/W2059245664","https://openalex.org/W2063087645","https://openalex.org/W2066394966","https://openalex.org/W2071283878","https://openalex.org/W2084472139","https://openalex.org/W2086274335","https://openalex.org/W2094298149","https://openalex.org/W2100253497","https://openalex.org/W2106111676","https://openalex.org/W2106706488","https://openalex.org/W2115367767","https://openalex.org/W2126564297","https://openalex.org/W2149151612","https://openalex.org/W2154175552","https://openalex.org/W2158863190"],"related_works":["https://openalex.org/W2117780248","https://openalex.org/W2149151612","https://openalex.org/W2157854031","https://openalex.org/W2163047442","https://openalex.org/W1714628091","https://openalex.org/W2059245664","https://openalex.org/W2106111676","https://openalex.org/W3164646746","https://openalex.org/W3136331220","https://openalex.org/W2002146316"],"abstract_inverted_index":{"Grassland":[0],"management":[1],"has":[2],"a":[3,38,62,195,201,222],"large":[4],"influence":[5],"on":[6,75,180],"the":[7,24,59,83,140,166,169,186,189,236],"operating":[8],"cost":[9],"and":[10,16,20,26,44,50,73,110,158,178],"environmental":[11],"impact":[12],"of":[13,28,47,55,105,122,124,142,191,205,216,226,235,247],"dairy":[14],"farms":[15],"requires":[17,239],"accurate,":[18,42],"detailed,":[19,43],"timely":[21],"information":[22],"about":[23],"yield":[25,49,109,177],"quality":[27,111,179],"grass.":[29],"Our":[30],"objective":[31],"was":[32,71,94,172,198,219],"to":[33,40,96,103,126,147,153,160,174,212],"evaluate":[34],"imaging":[35],"spectroscopy":[36],"as":[37],"means":[39],"obtain":[41],"rapid":[45],"measurements":[46,76],"grass":[48],"quality.":[51],"The":[52,233],"work":[53],"consisted":[54],"three":[56],"steps.":[57],"In":[58,165,185],"first":[60],"step,":[61,168,188],"new":[63],"mobile":[64],"measurement":[65,170,237],"system":[66,171,213,238],"comprising":[67],"several":[68],"hyperspectral":[69,101],"sensors":[70],"constructed":[72],"calibrated":[74],"collected":[77],"in":[78,82,85,144],"six":[79],"field":[80],"experiments":[81],"Netherlands":[84],"2":[86],"yr.":[87],"A":[88],"partial":[89],"least":[90],"squares":[91],"regression":[92],"model":[93],"used":[95,173,244],"fit":[97],"parameters":[98],"derived":[99],"from":[100,182],"images":[102],"values":[104,207,218],"DM":[106,130,134,231],"(dry":[107],"matter)":[108],"obtained":[112],"through":[113],"destructive":[114],"sampling.":[115],"Leave\u2010k\u2010out":[116],"cross":[117],"validation":[118],"showed":[119],"relative":[120,217],"errors":[121],"prediction":[123,246],"8":[125],"22%":[127],"(167\u2013477":[128],"kg":[129,228],"ha\u22121":[131,229],"absolute)":[132,138],"for":[133,139,149,155,162,194,230,245],"yield,":[135],"21%":[136],"(0.07":[137],"fraction":[141],"clover":[143],"DM,":[145],"6":[146],"12%":[148],"nutrient":[150],"concentration,":[151,157],"15":[152],"16%":[154],"sugar":[156],"3":[159],"5%":[161],"feeding":[163],"values.":[164,249],"second":[167],"predict":[175],"grassland":[176],"fields":[181],"two":[183],"farms.":[184],"third":[187],"absence":[190],"calibration":[192],"data":[193],"specific":[196],"date":[197],"simulated":[199],"with":[200,221],"leave\u2010harvest\u2010out":[202],"procedure.":[203],"Predictions":[204],"absolute":[206,224,248],"were":[208],"strongly":[209],"biased":[210],"due":[211],"instability.":[214],"Prediction":[215],"good,":[220],"mean":[223],"error":[225],"183":[227],"yield.":[232],"instability":[234],"that":[240],"duosampling":[241],"must":[242],"be":[243]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}