{"id":"https://openalex.org/W1986741035","doi":"https://doi.org/10.1071/ea9900675","title":"Variation in oil concentration and economic return from tea-tree ( Melaleuca alternifolia Cheel) oil","display_name":"Variation in oil concentration and economic return from tea-tree ( Melaleuca alternifolia Cheel) oil","publication_year":1990,"publication_date":"1990-10-01","ids":{"openalex":"https://openalex.org/W1986741035","doi":"https://doi.org/10.1071/ea9900675","mag":"1986741035"},"language":"en","primary_location":{"id":"doi:10.1071/ea9900675","doi":"https://doi.org/10.1071/ea9900675","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea9900675","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/A5089568779","display_name":"G. John Murtagh","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"GJ Murtagh","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5108199728","display_name":"RJ Etherington","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"RJ Etherington","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.486,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.86311267,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"30","issue":"5","first_page":"675","last_page":"679"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10225","display_name":"Essential Oils and Antimicrobial Activity","score":0.5112000107765198,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food 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/T10225","display_name":"Essential Oils and Antimicrobial Activity","score":0.5112000107765198,"subfield":{"id":"https://openalex.org/subfields/1106","display_name":"Food 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":0.060600001364946365,"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/T12003","display_name":"Bioenergy crop production and management","score":0.03669999912381172,"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/tea-tree-oil","display_name":"tea tree oil","score":0.9599999785423279},{"id":"https://openalex.org/keywords/melaleuca-alternifolia","display_name":"Melaleuca alternifolia","score":1.0},{"id":"https://openalex.org/keywords/economic-returns","display_name":"economic returns","score":0.5460000038146973},{"id":"https://openalex.org/keywords/profitability","display_name":"profitability","score":0.6940000057220459},{"id":"https://openalex.org/keywords/return-on-investment","display_name":"return on investment","score":0.9110000133514404},{"id":"https://openalex.org/keywords/essential-oil-crops","display_name":"essential oil crops","score":0.6050000190734863},{"id":"https://openalex.org/keywords/biomass-yield","display_name":"biomass yield","score":0.6050000190734863},{"id":"https://openalex.org/keywords/production-costs","display_name":"production costs","score":0.6150000095367432},{"id":"https://openalex.org/keywords/oil-prices","display_name":"oil prices","score":0.5059999823570251}],"concepts":[{"id":"https://openalex.org/C2780160340","wikidata":"https://www.wikidata.org/wiki/Q782073","display_name":"Melaleuca alternifolia","level":4,"score":0.8859485983848572},{"id":"https://openalex.org/C2775839739","wikidata":"https://www.wikidata.org/wiki/Q48832","display_name":"Tea tree oil","level":3,"score":0.8246868848800659},{"id":"https://openalex.org/C2776624662","wikidata":"https://www.wikidata.org/wiki/Q606617","display_name":"Melaleuca","level":2,"score":0.6445179581642151},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.5646138191223145},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.44160693883895874},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4326576590538025},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3923027515411377},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.38930004835128784},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3610544800758362},{"id":"https://openalex.org/C33070731","wikidata":"https://www.wikidata.org/wiki/Q7218","display_name":"Toxicology","level":1,"score":0.3236752450466156},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.30876192450523376},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.26242589950561523},{"id":"https://openalex.org/C2777278459","wikidata":"https://www.wikidata.org/wiki/Q170885","display_name":"Essential oil","level":2,"score":0.2165985405445099}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1071/ea9900675","doi":"https://doi.org/10.1071/ea9900675","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea9900675","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"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.6735000014305115}],"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/W2612098481","https://openalex.org/W2070895567","https://openalex.org/W6981928829","https://openalex.org/W2159019255","https://openalex.org/W288389975","https://openalex.org/W2035148463","https://openalex.org/W2502176616","https://openalex.org/W7120502556","https://openalex.org/W135456731","https://openalex.org/W1995099296"],"abstract_inverted_index":{"The":[0,29,63,83,122],"oil":[1,30,38,106,117,127,156],"concentration":[2,128,157],"in":[3,26,33,126,162,168],"tea-tree":[4],"(Melaleuca":[5],"alternifolia":[6],"Cheel)":[7],"twigs":[8,44],"was":[9,86,99],"measured":[10,32,105,149],"over":[11,19],"8":[12],"consecutive":[13,24],"days":[14,25],"during":[15],"November":[16,163],"1987,":[17],"and":[18,108,118,142],"10":[20],"out":[21],"of":[22,35,37,43,79,96,103,111,116],"12":[23],"January":[27,169],"1989.":[28,170],"concentration,":[31],"units":[34],"volume":[36],"per":[39],"unit":[40],"dry":[41],"weight":[42],"(v/DW),":[45],"varied":[46],"markedly":[47],"between":[48],"successive":[49],"days,":[50],"from":[51,159,181],"2.9-1.8%":[52],"v/DW":[53,59,167],"(a":[54,60],"38%":[55],"decrease)":[56],"to":[57,136,165,183],"1.8-3.4%":[58],"89%":[61],"increase).":[62],"reason":[64],"for":[65,101],"such":[66],"variation":[67],"is":[68],"unknown":[69],"but":[70],"it":[71],"had":[72],"a":[73,89,172],"pronounced":[74],"effect":[75],"on":[76,91,134,178],"the":[77,81,92,104,114,132,151,154,174],"profitability":[78],"growing":[80],"crop.":[82],"profit,":[84],"which":[85],"expressed":[87],"as":[88],"return":[90,133],"total":[93],"set-up":[94],"cost":[95],"$A17":[97],"2591ha,":[98],"estimated":[100],"each":[102],"concentrations":[107],"fixed":[109],"values":[110],"biomass":[112],"yield,":[113],"price":[115],"average":[119],"production":[120],"costs.":[121],"extreme":[123],"daily":[124],"variations":[125],"mentioned":[129],"above":[130],"caused":[131],"investment":[135,179],"decline":[137],"by":[138,144],"11":[139],"percentage":[140],"points":[141],"increase":[143],"16":[145],"points,":[146],"respectively.":[147],"When":[148],"at":[150],"same":[152],"site,":[153],"mean":[155,176],"increased":[158,180],"3.1%":[160],"vPW":[161],"1987":[164],"5.8%":[166],"As":[171],"consequence,":[173],"respective":[175],"returns":[177],"0":[182],"26%.":[184]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}
