{"id":"https://openalex.org/W2016532585","doi":"https://doi.org/10.2134/agronj2003.4460","title":"Influence of Early-Season Nitrogen and Weed Management on Irrigated and Nonirrigated Glyphosate-Resistant and Susceptible Soybean","display_name":"Influence of Early-Season Nitrogen and Weed Management on Irrigated and Nonirrigated Glyphosate-Resistant and Susceptible Soybean","publication_year":2003,"publication_date":"2003-01-01","ids":{"openalex":"https://openalex.org/W2016532585","doi":"https://doi.org/10.2134/agronj2003.4460","mag":"2016532585"},"language":"en","primary_location":{"id":"doi:10.2134/agronj2003.4460","doi":"https://doi.org/10.2134/agronj2003.4460","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2003.4460","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/A5021237472","display_name":"Larry G. Heatherly","orcid":null,"observed_orcids":[]},"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":true,"raw_author_name":"Larry G. Heatherly","raw_affiliation_strings":["USDA-ARS, Crop Genet. and Prod. Res. Unit, P.O. Box 343, Stoneville, MS, 38776"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USDA-ARS, Crop Genet. and Prod. Res. Unit, P.O. Box 343, Stoneville, MS, 38776","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077602926","display_name":"Stan R. Spurlock","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Stan R. Spurlock","raw_affiliation_strings":["Dep. of Agric. Econ., P.O. Box 9755, Mississippi State, MS, 39762"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Dep. of Agric. Econ., P.O. Box 9755, Mississippi State, MS, 39762","institution_ids":["https://openalex.org/I99041443"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089156359","display_name":"Krishna N. Reddy","orcid":"https://orcid.org/0000-0002-2807-834X","observed_orcids":["https://orcid.org/0000-0002-2807-834X"]},"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":"Krishna N. Reddy","raw_affiliation_strings":["USDA-ARS Southern Weed Sci. Res. Unit, P.O. Box 350, Stoneville, MS, 38776","USDA-ARS, Southern Weed Science Research Unit, P.O. Box 350, Stoneville, MS 38776"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USDA-ARS Southern Weed Sci. Res. Unit, P.O. Box 350, Stoneville, MS, 38776","institution_ids":["https://openalex.org/I1312222531"]},{"raw_affiliation_string":"USDA-ARS, Southern Weed Science Research Unit, P.O. Box 350, Stoneville, MS 38776","institution_ids":["https://openalex.org/I1312222531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5021237472"],"corresponding_institution_ids":["https://openalex.org/I1312222531"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":2.0353,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.86930174,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"95","issue":"2","first_page":"446","last_page":"446"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9994999766349792,"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":0.9994999766349792,"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/T11426","display_name":"Genetically Modified Organisms Research","score":0.00019999999494757503,"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/T12571","display_name":"Soybean genetics and cultivation","score":9.999999747378752e-05,"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/glyphosate-resistant-soybean","display_name":"glyphosate-resistant soybean","score":0.9670000076293945},{"id":"https://openalex.org/keywords/weed-control","display_name":"weed control","score":0.9509999752044678},{"id":"https://openalex.org/keywords/irrigated-soybean","display_name":"irrigated soybean","score":0.734000027179718},{"id":"https://openalex.org/keywords/pre-emergence-herbicides","display_name":"pre-emergence herbicides","score":0.7630000114440918},{"id":"https://openalex.org/keywords/soybean-yield","display_name":"soybean yield","score":0.6899999976158142},{"id":"https://openalex.org/keywords/net-returns","display_name":"net returns","score":0.7519999742507935}],"concepts":[{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.8844300508499146},{"id":"https://openalex.org/C147273371","wikidata":"https://www.wikidata.org/wiki/Q2739141","display_name":"Weed control","level":2,"score":0.791883111000061},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7682645320892334},{"id":"https://openalex.org/C2780910873","wikidata":"https://www.wikidata.org/wiki/Q407232","display_name":"Glyphosate","level":2,"score":0.6995124816894531},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.6565922498703003},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.5374776124954224},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.49198219180107117},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.482538640499115},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.48112502694129944}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2134/agronj2003.4460","doi":"https://doi.org/10.2134/agronj2003.4460","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2003.4460","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:10.2134/agronj2003.0446","doi":"https://doi.org/10.2134/agronj2003.0446","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj2003.0446","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":1.0,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"},{"score":0.7605999708175659,"id":"https://metadata.un.org/sdg/15","display_name":"Life on land"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320313191","display_name":"United Soybean Board","ror":"https://ror.org/03az66838"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":32,"referenced_works":["https://openalex.org/W184417740","https://openalex.org/W283917300","https://openalex.org/W1479856113","https://openalex.org/W1512719169","https://openalex.org/W1520103943","https://openalex.org/W1908370121","https://openalex.org/W1983156405","https://openalex.org/W1987651745","https://openalex.org/W2001277484","https://openalex.org/W2006810925","https://openalex.org/W2008687945","https://openalex.org/W2009003510","https://openalex.org/W2014178782","https://openalex.org/W2018616455","https://openalex.org/W2024823201","https://openalex.org/W2046634219","https://openalex.org/W2051045948","https://openalex.org/W2086044594","https://openalex.org/W2117733144","https://openalex.org/W2127527073","https://openalex.org/W2140827113","https://openalex.org/W2177153940","https://openalex.org/W2177701075","https://openalex.org/W2178588570","https://openalex.org/W2316411366","https://openalex.org/W2335030292","https://openalex.org/W2462978631","https://openalex.org/W2468097669","https://openalex.org/W2475774922","https://openalex.org/W2483385033","https://openalex.org/W2485982665","https://openalex.org/W2511498386"],"related_works":["https://openalex.org/W2024823201","https://openalex.org/W1972926875","https://openalex.org/W2047154655","https://openalex.org/W2066102755","https://openalex.org/W2178588570","https://openalex.org/W2025912557","https://openalex.org/W2075735328","https://openalex.org/W1997109817","https://openalex.org/W4244614074","https://openalex.org/W2178816829"],"abstract_inverted_index":{"Field":[0],"studies":[1],"were":[2,21,65,138,161],"conducted":[3],"on":[4,93,99,108,262],"Sharkey":[5],"clay":[6],"soil":[7],"(very-fine,":[8],"smectitic,":[9],"thermic":[10],"Chromic":[11],"Epiaquert)":[12],"at":[13],"Stoneville,":[14],"MS":[15],"(33\u00b026\u2032":[16],"N":[17,33,104],"lat).":[18],"The":[19],"objectives":[20],"to":[22,41,77,123,237],"determine":[23],"the":[24,38,130,155,169,232,242],"effect":[25,107,255],"of":[26,28,173,198,202,226,247,256],"application":[27],"0":[29],"and":[30,44,59,80,86,96,116,136,140,147,163,187,193],"35":[31],"kg":[32,142,166,189],"ha\u22121":[34,143,190],"applied":[35,76],"early":[36],"in":[37,57,111,134,154,183,196,231],"growing":[39],"season":[40],"glyphosate-resistant":[42],"(GR)":[43],"non-GR":[45,81,100,152,175,221],"soybean":[46,115],"[Glycine":[47],"max":[48],"(L.)":[49],"Merr.]":[50],"cultivars":[51,82,95,101,249],"using":[52,73,91],"two":[53],"weed":[54,71,89,109,234],"management":[55,63,72,90,110],"systems":[56,64],"irrigated":[58,170],"nonirrigated":[60,156],"environments.":[61],"Weed":[62],"(i)":[66],"pre-emergent":[67],"followed":[68],"by":[69,121],"postemergent":[70,88,227],"nonglyphosate":[74,97,260],"herbicides":[75,98,261],"both":[78],"GR":[79,94,132,180,223,248,263],"(PRE":[83],"+":[84,204],"POST)":[85],"(ii)":[87],"glyphosate":[92,228,257],"(POST).":[102],"Applied":[103],"had":[105],"no":[106,253],"or":[112,216,222],"yield":[113,192,215],"from":[114,129,150],"lowered":[117],"average":[118],"net":[119,159,217],"returns":[120,160],"$28":[122],"$50":[124],"ha\u22121.":[125],"Average":[126],"seed":[127,246],"yields":[128,149,164],"highest-yielding":[131],"cultivar":[133,153,176,181,264],"1999":[135,146],"2000":[137,148],"135":[139],"270":[141],"more":[144],"than":[145],"a":[151,174,179,184],"environment":[157],"(all":[158],"negative":[162],"<1500":[165],"ha\u22121).":[167],"In":[168],"environment,":[171],"use":[172],"compared":[177,206,258],"with":[178,207,219,241,259],"resulted":[182,230],"significant":[185],"200":[186],"250":[188],"greater":[191,194,243],"profits":[195],"2":[197],"3":[199],"yr.":[200],"Use":[201,225],"PRE":[203],"POST":[205],"POST-only":[208],"was":[209,252],"not":[210],"necessary":[211],"for":[212,245],"achieving":[213],"greatest":[214],"return":[218],"either":[220],"cultivars.":[224],"always":[229],"cheapest":[233],"control":[235],"($43":[236],"$81":[238],"ha\u22121),":[239],"even":[240],"cost":[244],"included.":[250],"There":[251],"measured":[254],"yield.":[265]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}
