{"id":"https://openalex.org/W2080123440","doi":"https://doi.org/10.2134/agronj2000.92116x","title":"Soybean Yield and Nutrient Composition as Affected by Early Season Foliar Fertilization","display_name":"Soybean Yield and Nutrient Composition as Affected by Early Season Foliar Fertilization","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W2080123440","doi":"https://doi.org/10.2134/agronj2000.92116x","mag":"2080123440"},"language":"en","primary_location":{"id":"doi:10.2134/agronj2000.92116x","doi":"https://doi.org/10.2134/agronj2000.92116x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2000.92116x","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":"hybrid","oa_url":"https://doi.org/10.1007/s100870050003","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110532452","display_name":"Mazhar Ul Haq","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I173911158","display_name":"Iowa State University","ror":"https://ror.org/04rswrd78","country_code":"US","type":"education","lineage":["https://openalex.org/I173911158"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mazhar U. Haq","raw_affiliation_strings":["Dep. of Agronomy, Iowa State Univ., Ames, IA 50011, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agronomy, Iowa State Univ., Ames, IA 50011, USA","institution_ids":["https://openalex.org/I173911158"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5050423420","display_name":"Antonio P. Mallarino","orcid":"https://orcid.org/0000-0002-8164-9770","observed_orcids":["https://orcid.org/0000-0002-8164-9770"]},"institutions":[{"id":"https://openalex.org/I173911158","display_name":"Iowa State University","ror":"https://ror.org/04rswrd78","country_code":"US","type":"education","lineage":["https://openalex.org/I173911158"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Antonio P. Mallarino","raw_affiliation_strings":["Dep. of Agronomy, Iowa State Univ., Ames, IA 50011, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agronomy, Iowa State Univ., Ames, IA 50011, USA","institution_ids":["https://openalex.org/I173911158"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I173911158"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":{"value":1800,"currency":"USD","value_usd":1800},"fwci":7.3532,"has_fulltext":false,"cited_by_count":81,"citation_normalized_percentile":{"value":0.96351011,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"92","issue":"1","first_page":"16","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9359999895095825,"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"}},"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9359999895095825,"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/T12571","display_name":"Soybean genetics and cultivation","score":0.017899999395012856,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.013799999840557575,"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/soybean","display_name":"soybean","score":0.9950000047683716},{"id":"https://openalex.org/keywords/foliar-fertilization","display_name":"foliar fertilization","score":0.9049999713897705},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.718999981880188},{"id":"https://openalex.org/keywords/leaf-damage","display_name":"leaf damage","score":0.527999997138977},{"id":"https://openalex.org/keywords/nutrient-uptake","display_name":"nutrient uptake","score":0.5410000085830688},{"id":"https://openalex.org/keywords/photosynthesis","display_name":"photosynthesis","score":0.7250000238418579},{"id":"https://openalex.org/keywords/fertilizer-cost-effectiveness","display_name":"fertilizer cost-effectiveness","score":0.5740000009536743}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.8198354244232178},{"id":"https://openalex.org/C88972607","wikidata":"https://www.wikidata.org/wiki/Q2666904","display_name":"Human fertilization","level":2,"score":0.7681227922439575},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.6820279359817505},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6771536469459534},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.5174511075019836},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5166597366333008},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.4170595705509186},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.06904134154319763},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2134/agronj2000.92116x","doi":"https://doi.org/10.2134/agronj2000.92116x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2000.92116x","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":"doi:10.1007/s100870050003","doi":"https://doi.org/10.1007/s100870050003","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s100870050003","pdf_url":null,"source":{"id":"https://openalex.org/S75897683","display_name":"Semigroup Forum","issn_l":"0037-1912","issn":["0037-1912","1432-2137"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1007/s100870050003","doi":"https://doi.org/10.1007/s100870050003","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s100870050003","pdf_url":null,"source":{"id":"https://openalex.org/S75897683","display_name":"Semigroup Forum","issn_l":"0037-1912","issn":["0037-1912","1432-2137"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-3"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W313491091","https://openalex.org/W1511656632","https://openalex.org/W1662011830","https://openalex.org/W1991525877","https://openalex.org/W2004303828","https://openalex.org/W2016307540","https://openalex.org/W2048516803","https://openalex.org/W2057844248","https://openalex.org/W2060871146","https://openalex.org/W2094108457","https://openalex.org/W2344949279"],"related_works":["https://openalex.org/W4213108218","https://openalex.org/W2057844248","https://openalex.org/W2092566458","https://openalex.org/W1991525877","https://openalex.org/W2469658327","https://openalex.org/W2181434824","https://openalex.org/W2060871146","https://openalex.org/W2016307540","https://openalex.org/W7100636829","https://openalex.org/W3031732937"],"abstract_inverted_index":{"The":[0,129,142],"response":[1,29,202],"of":[2,26,46,88,93,99,197,208],"soybean":[3,53],"[Glycine":[4],"max":[5],"(L.)":[6],"Merr.]":[7],"to":[8,30,95,222],"foliar":[9],"fertilization":[10,172,236],"during":[11],"early":[12],"growth":[13,39,188,231],"stages":[14],"has":[15],"received":[16],"little":[17,153],"attention.":[18],"Recent":[19],"Iowa":[20],"research":[21],"showed":[22,170,194],"a":[23,31,83,206],"15%":[24],"probability":[25],"positive":[27],"yield":[28,55,131,165,201,219],"3\u201315\u20138":[32],"(N\u2013P\u2013K)":[33],"fertilizer":[34,144],"applied":[35],"at":[36,69,106,126,185],"the":[37,44,107,158,186,198,243],"V5":[38,108],"stage.":[40,109,189],"This":[41],"study":[42],"evaluated":[43],"effects":[45],"fertilizers":[47,104,151],"varying":[48],"in":[49,65,200],"N\u2013P\u2013K":[50,176],"ratio":[51],"on":[52],"grain":[54],"and":[56,75,85,90,102,149,211,216,232],"tissue":[57,175],"nutrient":[58,178,233],"composition.":[59],"Twenty\u2010seven":[60],"field":[61],"trials":[62],"were":[63,113],"conducted":[64],"soils":[66],"that":[67,171,195],"tested":[68],"or":[70,118,122,133,154,181,226],"above":[71],"optimum":[72],"soil":[73,225],"P":[74],"K":[76,212],"levels":[77],"for":[78,135],"soybean.":[79],"Six":[80],"treatments":[81,112,120],"included":[82],"control":[84],"nonfactorial":[86],"combinations":[87],"rates":[89],"application":[91,244],"frequency":[92],"28":[94],"56":[96],"L":[97],"ha\u22121":[98],"3\u20138\u201315,":[100],"10\u20134\u20138,":[101],"8\u20130\u20137":[103],"sprayed":[105],"Differences":[110],"between":[111],"inconsistent":[114],"across":[115,192,237],"sites.":[116,128],"Some":[117],"all":[119,238],"increased":[121,174],"decreased":[123],"yields":[124],"significantly":[125],"six":[127],"mean":[130],"increase":[132],"decrease":[134],"responsive":[136],"sites":[137,193],"was":[138,160,203],"400":[139],"kg":[140],"ha\u22121.":[141],"3\u20138\u201315":[143],"caused":[145,152],"no":[146,155],"leaf":[147],"damage":[148,159],"other":[150],"damage,":[156],"although":[157],"not":[161,241],"clearly":[162],"related":[163],"with":[164],"decreases.":[166],"Analyses":[167],"by":[168,205],"site":[169],"seldom":[173],"composition,":[177],"uptake,":[179],"photosynthesis,":[180],"plant":[182,230],"weight":[183],"measured":[184],"R2":[187],"Multivariate":[190],"analyses":[191],"27%":[196],"variation":[199],"explained":[204],"combination":[207],"N,":[209],"P,":[210],"availability,":[213],"vegetative":[214],"growth,":[215],"rainfall.":[217],"Positive":[218],"responses":[220],"tended":[221],"occur":[223],"when":[224],"weather":[227],"conditions":[228,239],"reduced":[229],"availability.":[234],"Foliar":[235],"will":[240],"offset":[242],"costs.":[245]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":10},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":6},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}