{"id":"https://openalex.org/W145679090","doi":null,"title":"Wheat yield prediction modeling for localized optimization of fertilizer and herbicide application","display_name":"Wheat yield prediction modeling for localized optimization of fertilizer and herbicide application","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W145679090","mag":"145679090"},"language":"en","primary_location":{"id":"pmh:oai:scholarworks.montana.edu:1/2486","doi":null,"is_oa":true,"landing_page_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","pdf_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","source":{"id":"https://openalex.org/S4306402563","display_name":"Montana State University ScholarWorks (Montana State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I23732399","host_organization_name":"Montana State University","host_organization_lineage":["https://openalex.org/I23732399"],"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":"Dissertation"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006472526","display_name":"Nicole C. Wagner","orcid":"https://orcid.org/0000-0003-3932-0119","observed_orcids":["https://orcid.org/0000-0003-3932-0119"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Nicole Wagner","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-3932-0119","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5006472526"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"239"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.7300000190734863,"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"}},"topics":[{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.7300000190734863,"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"}},{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.08489999920129776,"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"}},{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.06109999865293503,"subfield":{"id":"https://openalex.org/subfields/1102","display_name":"Agronomy and Crop 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/rainfed-wheat","display_name":"rainfed wheat","score":0.7620000243186951},{"id":"https://openalex.org/keywords/yield-prediction-model","display_name":"yield prediction model","score":0.7149999737739563},{"id":"https://openalex.org/keywords/variable-rate-fertilizer-application","display_name":"variable rate fertilizer application","score":0.6919999718666077},{"id":"https://openalex.org/keywords/nitrogen-application-rate","display_name":"nitrogen application rate","score":0.7429999709129333},{"id":"https://openalex.org/keywords/weed-infestation","display_name":"weed infestation","score":0.7559999823570251},{"id":"https://openalex.org/keywords/available-water","display_name":"available water","score":0.550000011920929},{"id":"https://openalex.org/keywords/crop-density","display_name":"crop density","score":0.5789999961853027},{"id":"https://openalex.org/keywords/net-returns","display_name":"net returns","score":0.5490000247955322},{"id":"https://openalex.org/keywords/decision-support","display_name":"decision support","score":0.7649999856948853},{"id":"https://openalex.org/keywords/monte-carlo-simulation","display_name":"Monte Carlo simulation","score":0.8679999709129333},{"id":"https://openalex.org/keywords/spring-wheat","display_name":"spring wheat","score":0.45899999141693115}],"concepts":[{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.600902795791626},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.5748031735420227},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5414924025535583},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4722572863101959},{"id":"https://openalex.org/C32198211","wikidata":"https://www.wikidata.org/wiki/Q165044","display_name":"Greenhouse","level":2,"score":0.46349477767944336},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4353817105293274},{"id":"https://openalex.org/C126343540","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Crop yield","level":2,"score":0.4327854812145233},{"id":"https://openalex.org/C182365436","wikidata":"https://www.wikidata.org/wiki/Q50701","display_name":"Variable (mathematics)","level":2,"score":0.42529216408729553},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.41294994950294495},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15638914704322815},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.15509295463562012},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:scholarworks.montana.edu:1/2486","doi":null,"is_oa":true,"landing_page_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","pdf_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","source":{"id":"https://openalex.org/S4306402563","display_name":"Montana State University ScholarWorks (Montana State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I23732399","host_organization_name":"Montana State University","host_organization_lineage":["https://openalex.org/I23732399"],"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":"Dissertation"},{"id":"mag:145679090","doi":null,"is_oa":false,"landing_page_url":"https://scholarworks.montana.edu/xmlui/bitstream/1/2486/1/WagnerN0805.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:scholarworks.montana.edu:1/2486","doi":null,"is_oa":true,"landing_page_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","pdf_url":"https://scholarworks.montana.edu/xmlui/handle/1/2486","source":{"id":"https://openalex.org/S4306402563","display_name":"Montana State University ScholarWorks (Montana State University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I23732399","host_organization_name":"Montana State University","host_organization_lineage":["https://openalex.org/I23732399"],"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":"Dissertation"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.958299994468689,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306114","display_name":"U.S. Department of Agriculture","ror":"https://ror.org/01na82s61"},{"id":"https://openalex.org/F4320311310","display_name":"Montana State University","ror":"https://ror.org/02w0trx84"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W145679090.pdf","grobid_xml":"https://content.openalex.org/works/W145679090.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W2060050130","https://openalex.org/W2077959816","https://openalex.org/W2087414659","https://openalex.org/W2101926378","https://openalex.org/W2170955556","https://openalex.org/W2577040454"],"related_works":["https://openalex.org/W1970750084","https://openalex.org/W1988901129","https://openalex.org/W3044682206","https://openalex.org/W4394604391","https://openalex.org/W326820945","https://openalex.org/W4400882621","https://openalex.org/W2378445973","https://openalex.org/W1218696437","https://openalex.org/W597523150","https://openalex.org/W2042507931"],"abstract_inverted_index":{"The":[0,36,52,104,199,281],"specific":[1],"goal":[2],"of":[3,9,23,30,58,94,142,151,183,191,265,274,303],"this":[4,39,134],"thesis":[5],"was":[6,41,197,208,219,244],"the":[7,18,87,95,110,139,149,180,204,271,291,304],"development":[8],"a":[10,193,209,237,324],"five-variable":[11,194],"dryland":[12,83,335],"wheat":[13,59,63,84,146,337],"yield":[14,60,85,107,201,317],"prediction":[15,250,318],"model":[16,108,202,218,327],"for":[17,38,99,168,252,312,331],"optimal":[19],"localized":[20,231],"variable-rate":[21,254],"management":[22,160,264,293],"fertilizer":[24,69],"and":[25,33,47,73,90,101,117,121,126,148,171,260,267,278,299,316],"herbicide":[26,71,127,268],"considering":[27],"varying":[28,188],"levels":[29,190],"available":[31],"water":[32,74],"weed":[34,164],"infestation.":[35],"motivation":[37],"work":[40],"to":[42,109,203,221,246,328],"increase":[43],"on-farm":[44,314],"net":[45,248,288],"return":[46,249],"reduce":[48],"off-target":[49],"chemical":[50],"effects.":[51],"five":[53,214],"most":[54,301],"influential":[55],"predictor":[56],"variables":[57],"were":[61,97,129],"investigated:":[62],"density,":[64,67,120],"wild":[65,118],"oat":[66,119,185],"nitrogen":[68,125,170,266],"rate,":[70,72],"level":[75,257,262],"Previously":[76],"collected":[77],"field":[78,112],"data":[79,113,206,277],"sets":[80],"that":[81],"included":[82,115],"as":[86],"dependent":[88],"variable":[89,232,282],"at":[91,296,300],"least":[92,297],"one":[93],"predictors":[96],"investigated":[98],"linear":[100],"nonlinear":[102,106,210],"trends.":[103],"best-fit":[105],"combined":[111],"set":[114,207],"crop":[116],"growing":[122,338],"season":[123],"precipitation;":[124],"rates":[128],"not":[130],"significant":[131],"factors":[132],"in":[133,145,286,295,333],"model.":[135],"These":[136],"results":[137],"illustrated":[138],"large":[140],"amount":[141],"unexplored":[143],"variation":[144],"yield,":[147],"lack":[150],"ecological":[152],"first":[153,325],"principles":[154],"upon":[155],"which":[156],"farmers":[157,229],"base":[158],"input":[159,234,258,263],"decisions,":[161],"especially":[162],"when":[163],"infestation":[165],"causes":[166],"competition":[167,186],"limited":[169],"water.":[172],"To":[173],"take":[174],"an":[175,225],"initial":[176,307],"step":[177],"towards":[178],"elucidating":[179],"biological":[181],"mechanisms":[182],"wheatwild":[184],"with":[187],"combinatorial":[189],"resources,":[192],"greenhouse":[195,205,279],"experiment":[196],"conducted.":[198],"best-fitting":[200],"equation":[211,226],"including":[212],"all":[213],"variables.":[215],"This":[216,306],"predictive":[217],"used":[220,245],"demonstrate":[222],"how":[223],"such":[224],"would":[227],"help":[228],"make":[230],"rate":[233,283],"decisions":[235],"within":[236],"decision":[238],"support":[239,311],"framework.":[240],"Monte":[241],"Carlo":[242],"simulation":[243],"produce":[247],"probabilities":[251],"site-specific":[253],"management,":[255,259],"low":[256],"high":[261],"based":[269],"on":[270],"two":[272],"sources":[273],"parameter":[275],"estimates-field":[276],"data.":[280],"scenario":[284],"resulted":[285],"larger":[287],"returns":[289],"over":[290],"broadcast":[292],"scenarios":[294],"48%,":[298],"66%,":[302],"simulations.":[305],"exploration":[308],"provided":[309],"considerable":[310],"future":[313],"experiments":[315],"modeling.":[319],"In":[320],"addition,":[321],"it":[322],"established":[323],"principle":[326],"be":[329],"parameterized":[330],"use":[332],"different":[334],"spring":[336],"regions.":[339]},"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}