{"id":"https://openalex.org/W2064459979","doi":"https://doi.org/10.2134/agronj1975.00021962006700030004x","title":"Yield and Composition of Soybean Seed as Affected by N and S Fertilization1","display_name":"Yield and Composition of Soybean Seed as Affected by N and S Fertilization1","publication_year":1975,"publication_date":"1975-05-01","ids":{"openalex":"https://openalex.org/W2064459979","doi":"https://doi.org/10.2134/agronj1975.00021962006700030004x","mag":"2064459979"},"language":"en","primary_location":{"id":"doi:10.2134/agronj1975.00021962006700030004x","doi":"https://doi.org/10.2134/agronj1975.00021962006700030004x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1975.00021962006700030004x","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":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5070866448","display_name":"George Eldon Ham","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. E. Ham","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110124638","display_name":"I. E. Liener","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I. E. Liener","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030039282","display_name":"S. D. Evans","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. D. Evans","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023484315","display_name":"R. D. Frazier","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. D. Frazier","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5109845458","display_name":"W. W. Nelson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799834026","display_name":"University of Minnesota, Waseca","ror":"https://ror.org/0241gfe92","country_code":"US","type":"education","lineage":["https://openalex.org/I2799834026"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"W. W. Nelson","raw_affiliation_strings":["Associate Professor of Soil Science, Professor of Biochemistry; Associate Professor of Soil Science and Soil Scientist, West Central Exp. Sta., Morris. Minn.; Former Assistant Professor of Soil Science and Soil Scientist, Southern Exp. Sta., Waseca, Minn.; and Professor of Soil Science and Superintendent, Southwest Exp. Sta., Lamberton, Minn","Associate Professor of Soil Science and Soil Scientist, West Central Exp. Sta., Morris. Minn","Associate Professor of Soil Science, Professor of Biochemistry","Former Assistant Professor of Soil Science and Soil Scientist, Southern Exp. Sta., Waseca, Minn","Professor of Soil Science and Superintendent, Southwest Exp. Sta., Lamberton, Minn"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Associate Professor of Soil Science, Professor of Biochemistry; Associate Professor of Soil Science and Soil Scientist, West Central Exp. Sta., Morris. Minn.; Former Assistant Professor of Soil Science and Soil Scientist, Southern Exp. Sta., Waseca, Minn.; and Professor of Soil Science and Superintendent, Southwest Exp. Sta., Lamberton, Minn","institution_ids":[]},{"raw_affiliation_string":"Associate Professor of Soil Science and Soil Scientist, West Central Exp. Sta., Morris. Minn","institution_ids":[]},{"raw_affiliation_string":"Associate Professor of Soil Science, Professor of Biochemistry","institution_ids":[]},{"raw_affiliation_string":"Former Assistant Professor of Soil Science and Soil Scientist, Southern Exp. Sta., Waseca, Minn","institution_ids":["https://openalex.org/I2799834026"]},{"raw_affiliation_string":"Professor of Soil Science and Superintendent, Southwest Exp. Sta., Lamberton, Minn","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":6.2176,"has_fulltext":false,"cited_by_count":87,"citation_normalized_percentile":{"value":0.94471065,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"67","issue":"3","first_page":"293","last_page":"297"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.6089000105857849,"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":0.6089000105857849,"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/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.15369999408721924,"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"}},{"id":"https://openalex.org/T12571","display_name":"Soybean genetics and cultivation","score":0.1200999990105629,"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/soybean","display_name":"soybean","score":0.9879999756813049},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.8190000057220459},{"id":"https://openalex.org/keywords/sulfur-fertilization","display_name":"sulphur fertilization","score":0.9980000257492065},{"id":"https://openalex.org/keywords/seed-yield","display_name":"seed yield","score":0.9490000009536743},{"id":"https://openalex.org/keywords/seed-proteins","display_name":"seed proteins","score":0.8650000095367432},{"id":"https://openalex.org/keywords/seed-oil","display_name":"seed oil","score":0.8379999995231628},{"id":"https://openalex.org/keywords/amino-acids","display_name":"amino acids","score":0.6480000019073486},{"id":"https://openalex.org/keywords/fatty-acid-composition","display_name":"fatty acid composition","score":0.9639999866485596},{"id":"https://openalex.org/keywords/nitrogen-fixation","display_name":"nitrogen fixation","score":0.75},{"id":"https://openalex.org/keywords/root-nodules","display_name":"root nodules","score":0.7559999823570251},{"id":"https://openalex.org/keywords/ammonium-nitrate","display_name":"ammonium nitrate","score":0.8930000066757202},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.9980000257492065},{"id":"https://openalex.org/keywords/slow-release-fertilizer","display_name":"slow-release fertilizer","score":0.5509999990463257},{"id":"https://openalex.org/keywords/sulfur-containing-amino-acids","display_name":"sulfur-containing amino acids","score":0.6570000052452087}],"concepts":[{"id":"https://openalex.org/C113578266","wikidata":"https://www.wikidata.org/wiki/Q1131303","display_name":"Loam","level":3,"score":0.8072752356529236},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.6803916692733765},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6634485721588135},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.5866257548332214},{"id":"https://openalex.org/C88972607","wikidata":"https://www.wikidata.org/wiki/Q2666904","display_name":"Human fertilization","level":2,"score":0.5768976807594299},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.507049560546875},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.49088746309280396},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.44705408811569214},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4425346255302429},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.414857417345047},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.37095171213150024},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.32737991213798523},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.31171178817749023},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2134/agronj1975.00021962006700030004x","doi":"https://doi.org/10.2134/agronj1975.00021962006700030004x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1975.00021962006700030004x","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"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.991100013256073,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4321523435","https://openalex.org/W3042555376","https://openalex.org/W3033609815","https://openalex.org/W4410729230","https://openalex.org/W3037046775","https://openalex.org/W2769694040","https://openalex.org/W1988282263","https://openalex.org/W2101046830","https://openalex.org/W2523934636","https://openalex.org/W7033746811"],"abstract_inverted_index":{"Abstract":[0],"Soybeans":[1],"(Glycine":[2],"max":[3],"(L.)":[4],"Merr.)":[5],"obtain":[6],"nitrogen":[7],"from":[8,11],"soil":[9,137],"and":[10,51,58,68,73,103,116,120,127,154,187,192,233,258,268,276],"symbiotic":[12],"fixation":[13,303,325],"when":[14],"nodulated":[15],"with":[16,31,166,171,241,286],"effective":[17],"strains":[18],"of":[19,24,40,49,78,80,98,136,223,273,280,308,338],"rhizobia.":[20],"These":[21],"two":[22,121,174,263],"sources":[23,222],"N":[25,33,50,100,162,209,309,332],"may":[26],"need":[27],"to":[28,45,95,104,161,218,305,329],"be":[29,327],"supplemented":[30],"fertilizer":[32,99,105,124,163,224,251,344],"for":[34,92,311,322,334],"maximum":[35,312,335],"seed":[36,56,60,179,184,253,260,275,282,291,294,313,336],"yields.":[37,220],"The":[38,140],"objectives":[39],"the":[41,47,132,167,172,274,281,298,319,331],"present":[42],"study":[43],"were":[44,83,129,142,194,283],"determine":[46],"effects":[48],"sulfur":[52],"fertilization":[53,177],"on":[54,266,343],"soybean":[55],"yield":[57,93,254,261,292,314],"other":[59,173],"properties":[61],"(protein,":[62],"oil,":[63],"amino":[64,278],"acid,":[65,67],"fatty":[66,245],"S":[69,106,271,287],"composition).":[70],"Chippewa":[71,81],"64":[72],"a":[74],"nodulating\u2010nonnodulating":[75],"(nodnonnod)":[76],"pair":[77],"isolines":[79],"background":[82],"examined":[84],"at":[85],"three":[86],"field":[87],"locations":[88,201],"over":[89],"2":[90],"years":[91],"response":[94],"different":[96],"forms":[97],"(224":[101,107],"kg/ha)":[102],"kg/ha).":[108],"Three":[109],"readily":[110],"available":[111],"fertilizers":[112],"(ammonium":[113],"nitrate,":[114],"urea,":[115],"urea":[117,126],"+":[118],"sulfur)":[119],"slow":[122],"release":[123],"(S\u2010coated":[125],"ureaformaldehyde)":[128],"mixed":[130],"in":[131,255,262,290,297],"top":[133],"20":[134],"cm":[135],"before":[138],"planting.":[139],"soils":[141],"Nicollet":[143],"silty":[144],"clay":[145,156],"loam":[146,151,157],"(Aquic":[147],"Hapludoll),":[148],"McIntosh":[149],"silt":[150],"(Aeric":[152],"Calciaquoll)":[153],"Webster":[155],"(Typic":[158],"Haplaquoll).":[159],"Response":[160],"was":[164,248],"greater":[165],"nonnod":[168],"isoline":[169],"than":[170,341],"lines.":[175],"Nitrogen":[176],"increased":[178,196,216,239,252,285,328],"yield,":[180],"weight":[181,234],"per":[182,235],"seed,":[183],"protein":[185,242,295,316],"percentage,":[186],"kg":[188],"protein/ha.":[189],"Plant":[190],"height":[191],"lodging":[193],"either":[195],"or":[197],"unaffected,":[198],"depending":[199,265],"upon":[200],"and/or":[202,293,315],"year.":[203,269],"Seed":[204],"oil":[205,213],"percentage":[206,272,296],"decreased":[207,225,259],"following":[208],"fertilization.":[210],"However,":[211],"total":[212],"production":[214],"usually":[215],"due":[217],"larger":[219],"All":[221],"N2":[226,302,324],"fixation,":[227],"plant":[228],"nodule":[229,231],"weight,":[230],"number,":[232],"nodule.":[236],"Amino":[237],"acids":[238,279],"uniformly":[240],"increases":[243],"but":[244],"acid":[246],"composition":[247],"unchanged.":[249],"Sulfur":[250],"one":[256],"case":[257],"cases":[264],"location":[267],"Total":[270],"S\u2010containing":[277],"not":[284],"additions.":[288],"Increases":[289],"nodulating":[299],"lines":[300],"suggest":[301],"failed":[304],"supply":[306],"amounts":[307],"essential":[310],"percentage.":[317],"With":[318],"recent":[320],"concern":[321],"energy,":[323],"must":[326],"provide":[330],"needed":[333],"yields":[337],"soybeans":[339],"rather":[340],"relying":[342],"N.":[345]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}