{"id":"https://openalex.org/W1995639633","doi":"https://doi.org/10.1071/ea06114","title":"Influence of potassium and nitrogen fertiliser on yield, oil and protein concentration of canola (Brassica napus L.) grain harvested in south-western Australia","display_name":"Influence of potassium and nitrogen fertiliser on yield, oil and protein concentration of canola (Brassica napus L.) grain harvested in south-western Australia","publication_year":2007,"publication_date":"2007-07-16","ids":{"openalex":"https://openalex.org/W1995639633","doi":"https://doi.org/10.1071/ea06114","mag":"1995639633"},"language":"en","primary_location":{"id":"doi:10.1071/ea06114","doi":"https://doi.org/10.1071/ea06114","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea06114","pdf_url":null,"source":{"id":"https://openalex.org/S52276439","display_name":"Australian Journal of Experimental Agriculture","issn_l":"0816-1089","issn":["0816-1089","1446-5574"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310320302","host_organization_name":"CSIRO Publishing","host_organization_lineage":["https://openalex.org/P4310320302"],"host_organization_lineage_names":["CSIRO Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Experimental Agriculture","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/A5053899821","display_name":"R. F. Brennan","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"R. F. Brennan","raw_affiliation_strings":["ADepartment of Agriculture and Food, 444 Albany Highway, Albany, WA 6330, Australia","DCorresponding author. Email: rbrennan@agric.wa.gov.au","Department of Agriculture and Food, 444 Albany Highway, Albany, WA 6330, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"ADepartment of Agriculture and Food, 444 Albany Highway, Albany, WA 6330, Australia","institution_ids":[]},{"raw_affiliation_string":"DCorresponding author. Email: rbrennan@agric.wa.gov.au","institution_ids":[]},{"raw_affiliation_string":"Department of Agriculture and Food, 444 Albany Highway, Albany, WA 6330, Australia","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5108272057","display_name":"MDA Bolland","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I177877127","display_name":"The University of Western Australia","ror":"https://ror.org/047272k79","country_code":"AU","type":"education","lineage":["https://openalex.org/I177877127"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"M. D. A. Bolland","raw_affiliation_strings":["BDepartment of Agriculture and Food, PO Box 1231, Bunbury, WA 6231, Australia","CSchool of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia","Department of Agriculture and Food, PO Box 1231, Bunbury, WA 6231, Australia","School of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"BDepartment of Agriculture and Food, PO Box 1231, Bunbury, WA 6231, Australia","institution_ids":[]},{"raw_affiliation_string":"CSchool of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia","institution_ids":["https://openalex.org/I177877127"]},{"raw_affiliation_string":"Department of Agriculture and Food, PO Box 1231, Bunbury, WA 6231, Australia","institution_ids":[]},{"raw_affiliation_string":"School of Plant Biology, The University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia","institution_ids":["https://openalex.org/I177877127"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5053899821"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.7668,"has_fulltext":false,"cited_by_count":40,"citation_normalized_percentile":{"value":0.9241335,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"47","issue":"8","first_page":"976","last_page":"983"},"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":0.9496999979019165,"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":0.9496999979019165,"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/T12294","display_name":"Agricultural Science and Fertilization","score":0.04859999939799309,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.0010000000474974513,"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/canola","display_name":"canola","score":1.0},{"id":"https://openalex.org/keywords/brassica-napus","display_name":"Brassica napus","score":0.996999979019165},{"id":"https://openalex.org/keywords/potassium-fertilizer","display_name":"potassium fertilizer","score":0.9480000138282776},{"id":"https://openalex.org/keywords/nitrogen-fertiliser","display_name":"nitrogen fertiliser","score":0.9980000257492065},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.9100000262260437},{"id":"https://openalex.org/keywords/oil-content","display_name":"oil content","score":0.8479999899864197},{"id":"https://openalex.org/keywords/protein-concentration","display_name":"protein concentration","score":0.9869999885559082},{"id":"https://openalex.org/keywords/k-n-interactions","display_name":"K- n interactions","score":0.8169999718666077},{"id":"https://openalex.org/keywords/sandy-soil","display_name":"sandy soil","score":0.9570000171661377},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.6320000290870667},{"id":"https://openalex.org/keywords/potassium-chloride","display_name":"potassium chloride","score":0.9779999852180481},{"id":"https://openalex.org/keywords/oil-yield","display_name":"oil yield","score":0.49799999594688416},{"id":"https://openalex.org/keywords/southwestern-australia","display_name":"south-western Australia","score":0.9100000262260437}],"concepts":[{"id":"https://openalex.org/C2779223168","wikidata":"https://www.wikidata.org/wiki/Q98841400","display_name":"Canola","level":2,"score":0.9371682405471802},{"id":"https://openalex.org/C2776747608","wikidata":"https://www.wikidata.org/wiki/Q58677","display_name":"Brassica","level":2,"score":0.7502092123031616},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7044294476509094},{"id":"https://openalex.org/C517785266","wikidata":"https://www.wikidata.org/wiki/Q703","display_name":"Potassium","level":2,"score":0.704376220703125},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.6199290752410889},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.4813276529312134},{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.47928017377853394},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.47280851006507874},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.4605250954627991},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.43911823630332947},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4200686514377594},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.35741156339645386},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3166436553001404},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.1547856628894806},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.06691533327102661},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1071/ea06114","doi":"https://doi.org/10.1071/ea06114","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea06114","pdf_url":null,"source":{"id":"https://openalex.org/S52276439","display_name":"Australian Journal of Experimental Agriculture","issn_l":"0816-1089","issn":["0816-1089","1446-5574"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core"],"host_organization":"https://openalex.org/P4310320302","host_organization_name":"CSIRO Publishing","host_organization_lineage":["https://openalex.org/P4310320302"],"host_organization_lineage_names":["CSIRO Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Experimental Agriculture","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:publications/2bb5946c-22ff-42ad-bf3a-bde4c2f1db44","doi":null,"is_oa":false,"landing_page_url":"https://research-repository.uwa.edu.au/en/publications/2bb5946c-22ff-42ad-bf3a-bde4c2f1db44","pdf_url":null,"source":{"id":"https://openalex.org/S4306402492","display_name":"UWA Profiles and Research Repository (UWA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I177877127","host_organization_name":"The University of Western Australia","host_organization_lineage":["https://openalex.org/I177877127"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Brennan, R F & Bolland, M 2007, 'Influence of potassium and nitrogen fertiliser on yield, oil and protein concentration of canola (Brassica napus L.) grain harvested in south-western Australia', Australian Journal of Experimental Agriculture, vol. 47, no. 8, pp. 976-983. https://doi.org/10.1071/EA06114","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":1.0,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W330676098","https://openalex.org/W385719031","https://openalex.org/W1548502618","https://openalex.org/W1594701860","https://openalex.org/W1964476051","https://openalex.org/W1976102746","https://openalex.org/W1980583580","https://openalex.org/W1984548308","https://openalex.org/W1988893400","https://openalex.org/W1995684312","https://openalex.org/W2003636228","https://openalex.org/W2010858820","https://openalex.org/W2023098702","https://openalex.org/W2025138866","https://openalex.org/W2033945938","https://openalex.org/W2035084155","https://openalex.org/W2059471690","https://openalex.org/W2067338669","https://openalex.org/W2088253251","https://openalex.org/W2091160252","https://openalex.org/W2125259387","https://openalex.org/W2139423819","https://openalex.org/W2147143496","https://openalex.org/W2163719041","https://openalex.org/W2166492337","https://openalex.org/W2338480161","https://openalex.org/W2887856673","https://openalex.org/W2892136837"],"related_works":["https://openalex.org/W2037240461","https://openalex.org/W2093925394","https://openalex.org/W1995684312","https://openalex.org/W2069598815","https://openalex.org/W2063030168","https://openalex.org/W1980583580","https://openalex.org/W2187488637","https://openalex.org/W2041140153","https://openalex.org/W1978327416","https://openalex.org/W2757858293"],"abstract_inverted_index":{"Most":[0],"soils":[1,64,269],"used":[2,271],"for":[3,21,123,182,223,263,272],"agriculture":[4],"in":[5,14,65,88,120,198,213,229,250],"south-western":[6],"Australia":[7],"are":[8,11,258],"sandy":[9,63,268],"and":[10,18,23,43,76,82,86,100,127,196,208,243],"now":[12],"deficient":[13],"both":[15,40,74],"potassium":[16,98],"(K)":[17],"nitrogen":[19],"(N)":[20],"cereal":[22],"canola":[24,79,241,274],"(oilseed":[25],"rape;":[26],"Brassica":[27],"napus":[28],"L.)":[29],"grain":[30,46,80,113,148,164,183,242,251,254],"production.":[31,184],"However,":[32],"the":[33,66,70,124,192],"effect":[34,190],"of":[35,39,48,57,72,84,92,103,130,144,186,194,201,206,211,225,233,248],"applying":[36,73],"different":[37],"levels":[38,91,102,143],"fertiliser":[41],"K":[42,75,93,131,175,187,216],"N":[44,77,104,118,138,145,177,202,218],"on":[45,62,78,191],"yields":[47,81,246],"these":[49],"crops":[50],"is":[51],"not":[52,221],"known.":[53],"We":[54],"report":[55],"results":[56,257],"10":[58],"field":[59],"experiments,":[60],"conducted":[61],"region,":[67],"to":[68,116,154,235,260,266],"measure":[69],"effects":[71],"concentration":[83,193,205,210,224],"oil":[85,195,207,226,245,249],"protein":[87,197,212,228],"grain.":[89,199,214],"Four":[90],"(0\u201360":[94],"kg":[95,106,156,170,237],"K/ha":[96,157,171,238],"as":[97,108,136],"chloride)":[99],"four":[101],"(0\u2013138":[105],"N/ha":[107],"urea)":[109],"were":[110],"applied.":[111,140,173],"Significant":[112],"yield":[114,149,165],"responses":[115,134,150,166],"applied":[117],"occurred":[119,151],"all":[121,142,264],"experiments":[122],"nil-K":[125],"treatment":[126],"each":[128],"level":[129],"applied,":[132,146,159],"with":[133,160],"increasing":[135],"more":[137],"was":[139,158,172,179,220],"For":[141],"significant":[147,163,181,222],"when":[152,168],"up":[153,234],"30":[155,236],"no":[161,189],"further":[162],"occurring":[167],"60":[169],"The":[174,215],"\u00d7":[176,217],"interaction":[178,219],"always":[180],"Application":[185,200],"had":[188],"consistently":[203],"decreased":[204],"increased":[209,240],"or":[227],"grain,":[230],"but":[231],"application":[232],"significantly":[239],"so":[244],"(concentration":[247],"multiplied":[252],"by":[253],"yield).":[255],"Our":[256],"likely":[259],"be":[261],"relevant":[262],"acidic":[265],"neutral":[267],"worldwide":[270],"growing":[273],"crops.":[275]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
