{"id":"https://openalex.org/W2011006690","doi":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","title":"A comparison of competitive effects of some common weed species","display_name":"A comparison of competitive effects of some common weed species","publication_year":1963,"publication_date":"1963-02-01","ids":{"openalex":"https://openalex.org/W2011006690","doi":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","mag":"2011006690"},"language":"en","primary_location":{"id":"doi:10.1111/j.1744-7348.1963.tb03679.x","doi":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","pdf_url":null,"source":{"id":"https://openalex.org/S71879176","display_name":"Annals of Applied Biology","issn_l":"0003-4746","issn":["0003-4746","1744-7348"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Annals of Applied Biology","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/A5061476778","display_name":"P. J. Welbank","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799553609","display_name":"Rothamsted Research","ror":"https://ror.org/0347fy350","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2799553609","https://openalex.org/I2799693246","https://openalex.org/I4210087105"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"P. J. WELBANK","raw_affiliation_strings":["Rothamsted Experimental Station, Harpenden, Herts"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Rothamsted Experimental Station, Harpenden, Herts","institution_ids":["https://openalex.org/I2799553609"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061476778"],"corresponding_institution_ids":["https://openalex.org/I2799553609"],"apc_list":{"value":3570,"currency":"USD","value_usd":3570},"apc_paid":null,"fwci":0.9228,"has_fulltext":false,"cited_by_count":59,"citation_normalized_percentile":{"value":0.71164659,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"51","issue":"1","first_page":"107","last_page":"125"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9628999829292297,"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":0.9628999829292297,"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/T12058","display_name":"Allelopathy and phytotoxic interactions","score":0.029600000008940697,"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/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.0052999998442828655,"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/weed-competition","display_name":"weed competition","score":0.843999981880188},{"id":"https://openalex.org/keywords/kale","display_name":"kale","score":0.7099999785423279},{"id":"https://openalex.org/keywords/sugar-beet","display_name":"sugar beet","score":0.9929999709129333},{"id":"https://openalex.org/keywords/wheat","display_name":"wheat","score":0.9929999709129333},{"id":"https://openalex.org/keywords/sinapis-arvensis","display_name":"Sinapis arvensis","score":0.8579999804496765},{"id":"https://openalex.org/keywords/polygonum-convolvulus","display_name":"Polygonum convolvulus","score":0.8889999985694885},{"id":"https://openalex.org/keywords/alopecurus-myosuroides","display_name":"Alopecurus myosuroides","score":0.9900000095367432},{"id":"https://openalex.org/keywords/chenopodium-album","display_name":"Chenopodium album","score":0.996999979019165},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.7239999771118164},{"id":"https://openalex.org/keywords/leaf-nitrogen-content","display_name":"leaf nitrogen content","score":0.7950000166893005},{"id":"https://openalex.org/keywords/crop-yield-reduction","display_name":"crop yield reduction","score":0.6729999780654907}],"concepts":[{"id":"https://openalex.org/C2778415121","wikidata":"https://www.wikidata.org/wiki/Q158094","display_name":"Chenopodium","level":3,"score":0.9351416826248169},{"id":"https://openalex.org/C2909303320","wikidata":"https://www.wikidata.org/wiki/Q158711","display_name":"Stellaria media","level":3,"score":0.8927764296531677},{"id":"https://openalex.org/C2778615690","wikidata":"https://www.wikidata.org/wiki/Q147507","display_name":"Convolvulus","level":3,"score":0.881004810333252},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.8259285688400269},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.7953169345855713},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.584678590297699},{"id":"https://openalex.org/C2776936025","wikidata":"https://www.wikidata.org/wiki/Q151964","display_name":"Sugar beet","level":2,"score":0.57612144947052},{"id":"https://openalex.org/C2780354985","wikidata":"https://www.wikidata.org/wiki/Q157571","display_name":"Poa annua","level":3,"score":0.515644907951355},{"id":"https://openalex.org/C2776077704","wikidata":"https://www.wikidata.org/wiki/Q271400","display_name":"Polygonum","level":2,"score":0.48076602816581726},{"id":"https://openalex.org/C2776500997","wikidata":"https://www.wikidata.org/wiki/Q131219","display_name":"Taraxacum officinale","level":5,"score":0.4708523154258728},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.43729352951049805},{"id":"https://openalex.org/C150668497","wikidata":"https://www.wikidata.org/wiki/Q104870826","display_name":"Dry weight","level":2,"score":0.4290345311164856},{"id":"https://openalex.org/C2777108408","wikidata":"https://www.wikidata.org/wiki/Q11002","display_name":"Sugar","level":2,"score":0.4239843189716339},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3464335501194},{"id":"https://openalex.org/C2778804639","wikidata":"https://www.wikidata.org/wiki/Q30024","display_name":"Dandelion","level":4,"score":0.3037503957748413},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.06355249881744385},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C188947578","wikidata":"https://www.wikidata.org/wiki/Q200253","display_name":"Traditional Chinese medicine","level":3,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1744-7348.1963.tb03679.x","doi":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1744-7348.1963.tb03679.x","pdf_url":null,"source":{"id":"https://openalex.org/S71879176","display_name":"Annals of Applied Biology","issn_l":"0003-4746","issn":["0003-4746","1744-7348"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Annals of Applied Biology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.9208999872207642}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W94145951","https://openalex.org/W1979559440","https://openalex.org/W1986615385","https://openalex.org/W1989224216","https://openalex.org/W2013023542","https://openalex.org/W2028878590","https://openalex.org/W2051669369","https://openalex.org/W2063646664","https://openalex.org/W2100067266","https://openalex.org/W2101013137","https://openalex.org/W2312721525","https://openalex.org/W2529373885","https://openalex.org/W2912015410","https://openalex.org/W3153616719"],"related_works":["https://openalex.org/W1996215233","https://openalex.org/W2064107789","https://openalex.org/W2970346534","https://openalex.org/W2123553265","https://openalex.org/W2049632692","https://openalex.org/W1996497751","https://openalex.org/W2003192406","https://openalex.org/W2206294845","https://openalex.org/W1533204239","https://openalex.org/W2183530092"],"abstract_inverted_index":{"SUMMARY":[0],"In":[1,244,278,293],"a":[2,56,82,132,279,310],"series":[3],"of":[4,10,24,37,43,49,58,72,75,89,164,197,202,212,240,258,295,299,328,361,365],"four":[5],"pot":[6],"experiments":[7,246],"single":[8,311],"plants":[9,23,52,259],"kale":[11,167,213],"and":[12,20,102,110,119,127,144,150,153,168,201,214,283,349],"sugar":[13,170,215],"beet":[14,171,216],"or":[15],"wheat":[16,177,205,290],"were":[17,39,53,67,188,206,305,319],"grown":[18],"alone":[19],"with":[21,94,130,247,260,289],"sixteen":[22],"several":[25],"different":[26,44],"weed":[27,242],"species":[28],"for":[29,274,291,356],"from":[30,64],"7":[31],"to":[32,234,287,314,336,340,350],"11":[33],"weeks.":[34],"Two":[35],"levels":[36],"nitrogen":[38,165,210,230,252,256,275],"included.":[40],"The":[41,62,87,162,208,331],"effects":[42,74,186,196],"weeds":[45,300,318,362],"on":[46,69,166,169,176,199,204,266],"dry\u2010weight":[47],"growth":[48,327],"the":[50,70,73,146,157,195,237,241,254,296,326,329,347,358],"crop":[51],"used":[54,333],"as":[55,81,148,160,363],"measure":[57],"their":[59,267,303,315],"competitive":[60,90,140],"abilities.":[61],"results":[63,338],"each":[65],"experiment":[66,281],"corrected":[68],"basis":[71],"Chenopodium":[76,106,149,203],"album,":[77,107],"which":[78,322],"was":[79,172,179,217],"included":[80],"standard":[83],"in":[84,181,346],"all":[85],"experiments.":[86],"order":[88],"abilities":[91],"obtained":[92],"was:":[93],"kale,":[95,200],"first":[96],"Sinapis":[97,198,284],"arvensis,":[98],"then":[99,105],"Polygonum":[100,108,136],"convolvulus":[101,137],"Alopecurus":[103,143,282],"myosuroides,":[104],"uviculure":[109],"P.":[111,151],"persicaria,":[112],"followed":[113],"by":[114,192,220,228,308],"Matricaria":[115,154],"maritima":[116],"ssp.":[117],"inodora,":[118],"finally":[120],"Stellaria":[121],"media,":[122],"Capsella":[123],"bursa\u2010pastoris,":[124],"Veronica":[125],"perszca":[126],"Anagallis":[128],"arvensis;":[129],"wheat,":[131,248],"similar":[133,339],"order,":[134],"but":[135,175,223],"had":[138,155,263],"less":[139],"ability":[141],"than":[142],"about":[145,156],"same":[147,158],"aviculure,":[152],"value":[159],"Veronica.":[161],"effect":[163,265],"statistically":[173],"significant,":[174],"it":[178,262],"significant":[180],"only":[182,225],"one":[183],"experiment.":[184],"Weed":[185],"generally":[187],"not":[189,233],"significantly":[190],"decreased":[191,307],"high":[193,221,250],"nitrogen;":[194],"increased,":[207],"leaf":[209,255,268],"percentage":[211,257],"greatly":[218],"increased":[219,253],"nitrogen,":[222],"usually":[224,306],"slightly":[226],"affected":[227,321],"weeds;":[229],"deficiency":[231],"seems":[232],"have":[235,351],"been":[236],"sole":[238],"cause":[239],"effects.":[243],"two":[245],"although":[249],"soil":[251],"weeds,":[261],"little":[264],"dry":[269],"weight,":[270],"so":[271],"that":[272,342],"competition":[273],"appeared":[276,286],"non\u2010effective.":[277],"third":[280],"both":[285],"compete":[288],"nitrogen.":[292],"spite":[294],"greater":[297],"number":[298],"per":[301],"pot,":[302],"yields":[304],"adding":[309],"indicator":[312],"plant":[313],"pots.":[316],"Those":[317],"least":[320],"themselves":[323],"most":[324],"reduced":[325],"indicators.":[330],"method":[332],"is":[334],"judged":[335],"give":[337],"those":[341],"might":[343],"be":[344],"found":[345],"field,":[348],"advantages":[352],"over":[353],"alternative":[354],"methods":[355],"estimating":[357],"relative":[359],"importance":[360],"competitors":[364],"crops.":[366]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
