{"id":"https://openalex.org/W2041680722","doi":"https://doi.org/10.1017/s0021859698006091","title":"Effects of high plant populations on the growth and yield of winter oilseed rape (Brassica napus)","display_name":"Effects of high plant populations on the growth and yield of winter oilseed rape (Brassica napus)","publication_year":1999,"publication_date":"1999-03-01","ids":{"openalex":"https://openalex.org/W2041680722","doi":"https://doi.org/10.1017/s0021859698006091","mag":"2041680722"},"language":"en","primary_location":{"id":"doi:10.1017/s0021859698006091","doi":"https://doi.org/10.1017/s0021859698006091","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859698006091","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural Science","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/A5032649796","display_name":"J. E. Leach","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":false,"raw_author_name":"J. E. LEACH","raw_affiliation_strings":["IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113678619","display_name":"H. J. Stevenson","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":false,"raw_author_name":"H. J. STEVENSON","raw_affiliation_strings":["IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077549028","display_name":"A. J. RAINBOW","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":false,"raw_author_name":"A. J. RAINBOW","raw_affiliation_strings":["IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5006878623","display_name":"L. A. Mullen","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":false,"raw_author_name":"L. A. MULLEN","raw_affiliation_strings":["IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"IACR-Rothamsted Experimental Station, Harpenden, Herts AL5 2JQ, UK","institution_ids":["https://openalex.org/I2799553609"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I2799553609"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":1.9232,"has_fulltext":false,"cited_by_count":121,"citation_normalized_percentile":{"value":0.8437421,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":"132","issue":"2","first_page":"173","last_page":"180"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.9589999914169312,"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"}},"topics":[{"id":"https://openalex.org/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.9589999914169312,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.03909999877214432,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.0003000000142492354,"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/winter-oilseed-rape","display_name":"winter oilseed rape","score":0.9169999957084656},{"id":"https://openalex.org/keywords/brassica-napus","display_name":"Brassica napus","score":1.0},{"id":"https://openalex.org/keywords/plant-density","display_name":"plant density","score":0.9100000262260437},{"id":"https://openalex.org/keywords/seeding-rate","display_name":"seeding rate","score":0.9049999713897705},{"id":"https://openalex.org/keywords/row-spacing","display_name":"row spacing","score":0.9990000128746033},{"id":"https://openalex.org/keywords/pod-yield","display_name":"pod yield","score":0.5270000100135803},{"id":"https://openalex.org/keywords/seed-size","display_name":"seed size","score":0.6259999871253967},{"id":"https://openalex.org/keywords/seed-glucosinolates","display_name":"seed glucosinolates","score":0.8349999785423279},{"id":"https://openalex.org/keywords/seed-oil-content","display_name":"seed oil content","score":0.9369999766349792},{"id":"https://openalex.org/keywords/plant-competition","display_name":"plant competition","score":0.35899999737739563}],"concepts":[{"id":"https://openalex.org/C2776747608","wikidata":"https://www.wikidata.org/wiki/Q58677","display_name":"Brassica","level":2,"score":0.8615957498550415},{"id":"https://openalex.org/C137776501","wikidata":"https://www.wikidata.org/wiki/Q7208270","display_name":"Point of delivery","level":2,"score":0.8047049045562744},{"id":"https://openalex.org/C2778164613","wikidata":"https://www.wikidata.org/wiki/Q416883","display_name":"Glucosinolate","level":3,"score":0.7969750165939331},{"id":"https://openalex.org/C2991904373","wikidata":"https://www.wikidata.org/wiki/Q102346249","display_name":"Plant density","level":3,"score":0.731683611869812},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6740190386772156},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5909322500228882},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.563210666179657},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5533794164657593},{"id":"https://openalex.org/C150668497","wikidata":"https://www.wikidata.org/wiki/Q104870826","display_name":"Dry weight","level":2,"score":0.4310801029205322},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.42381012439727783},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.17648375034332275},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","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":"doi:10.1017/s0021859698006091","doi":"https://doi.org/10.1017/s0021859698006091","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859698006091","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural Science","raw_type":"journal-article"},{"id":"pmh:oai:repository.rothamsted.ac.uk:10125","doi":null,"is_oa":false,"landing_page_url":"https://repository.rothamsted.ac.uk/id/eprint/10125/1/effects-of-high-plant-populations-on-the-growth-and-yield-of-winter-oilseed-rape-brassica-napus.pdf","pdf_url":"https://repository.rothamsted.ac.uk/id/eprint/10125/1/effects-of-high-plant-populations-on-the-growth-and-yield-of-winter-oilseed-rape-brassica-napus.pdf","source":{"id":"https://openalex.org/S4306402645","display_name":"Rothamsted Repository (Rothamsted Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799553609","host_organization_name":"Rothamsted Research","host_organization_lineage":["https://openalex.org/I2799553609"],"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":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.991100013256073,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2018128990","https://openalex.org/W2056181910","https://openalex.org/W2034495465","https://openalex.org/W1977958872","https://openalex.org/W3084180071","https://openalex.org/W3102050988","https://openalex.org/W4309541189","https://openalex.org/W2743698458","https://openalex.org/W2015903344","https://openalex.org/W7098428652"],"abstract_inverted_index":{"The":[0],"effects":[1],"of":[2,10,21,46,109,123,130,134,146,183],"plant":[3,92,102,113],"density":[4,71,78,86,124,151,163,172,184],"on":[5,125,140,185],"the":[6,38,58,107,126,135,141],"growth":[7],"and":[8,31,41,114,143],"yield":[9,75],"winter":[11],"oilseed":[12],"rape":[13],"(Brassica":[14],"napus)":[15],"were":[16,138],"examined":[17],"in":[18,73,152,158,164,171],"a":[19],"series":[20],"five":[22],"multifactorial":[23,59],"experiments":[24],"at":[25,84,149,161],"Rothamsted":[26],"Experimental":[27],"Station":[28],"between":[29],"1984":[30],"1989.":[32],"Plant":[33],"densities,":[34],"manipulated":[35],"by":[36,105,117],"changing":[37],"seed":[39,174,186],"rate":[40],"row":[42],"spacing,":[43],"or":[44,128,188],"because":[45],"overwinter":[47],"losses,":[48],"ranged":[49],"from":[50],"13\u00b75":[51],"to":[52,65],"372":[53],"plants/m2.":[54,67,81],"Normalized":[55],"yields":[56],"for":[57],"plots":[60,72],"increased":[61,79],"with":[62,155,169],"densities":[63],"up":[64],"50\u201360":[66],"In":[68],"very":[69],"high":[70,85,150],"1987/88,":[74],"decreased":[76,104,168],"as":[77],">150":[80],"Plants":[82],"grown":[83,148,160],"had":[87],"fewer":[88],"pod-bearing":[89],"branches":[90,145],"per":[91,101,112],"but":[93,173],"produced":[94],"more":[95],"branches/m2.":[96],"Branch":[97],"dry":[98],"matter":[99],"(DM)":[100],"was":[103,120,180],"42%,":[106],"number":[108,127],"fertile":[110,136],"pods":[111,137],"pod":[115],"DM/plant":[116,167],"37%.":[118],"There":[119,179],"no":[121,181],"effect":[122,182],"DM":[129],"pods/m2.":[131],"Over":[132],"74%":[133],"carried":[139],"terminal":[142],"uppermost":[144],"plants":[147,159],"1987/88":[153],"compared":[154],"only":[156],"34%":[157],"low":[162],"1988/89.":[165],"Seed":[166],"increase":[170],"size":[175],"(1000-seed":[176],"weight)":[177],"increased.":[178],"glucosinolate":[187],"oil":[189],"contents.":[190]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":5},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":6},{"year":2016,"cited_by_count":8},{"year":2015,"cited_by_count":8},{"year":2014,"cited_by_count":12},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":7}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}