{"id":"https://openalex.org/W2273239072","doi":null,"title":"EVALUATION THE EFFECT OF C3 AND C4 WEEDS AND DIFFERENT LEVELS OF NITROGEN ON GROWTH AND BIOMASS PRODUCTION OF SUNFLOWER (HELIANTHEUS ANNUSL.)","display_name":"EVALUATION THE EFFECT OF C3 AND C4 WEEDS AND DIFFERENT LEVELS OF NITROGEN ON GROWTH AND BIOMASS PRODUCTION OF SUNFLOWER (HELIANTHEUS ANNUSL.)","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2273239072","mag":"2273239072"},"language":"en","primary_location":{"id":"mag:2273239072","doi":null,"is_oa":false,"landing_page_url":"https://www.sid.ir/En/Journal/ViewPaper.aspx?ID=396358","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5046748701","display_name":"M Nasirinejad","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M Nasirinejad","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015832509","display_name":"A R Bagheri","orcid":"https://orcid.org/0000-0002-6037-603X","observed_orcids":["https://orcid.org/0000-0002-6037-603X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A R Bagheri","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5049274977","display_name":"Ali Ashraf Jafari","orcid":"https://orcid.org/0000-0002-1211-3796","observed_orcids":["https://orcid.org/0000-0002-1211-3796"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ali Ashraf Jafari","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-1211-3796","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"4","issue":"11","first_page":"14","last_page":"24"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12742","display_name":"Sunflower and Safflower Cultivation","score":0.6474999785423279,"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/T12742","display_name":"Sunflower and Safflower Cultivation","score":0.6474999785423279,"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/T10774","display_name":"Weed Control and Herbicide Applications","score":0.3188000023365021,"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":0.017899999395012856,"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/sunflower","display_name":"sunflower","score":0.9990000128746033},{"id":"https://openalex.org/keywords/weeds","display_name":"weeds","score":0.7319999933242798},{"id":"https://openalex.org/keywords/c4-weeds","display_name":"C4 weeds","score":1.0},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.8820000290870667},{"id":"https://openalex.org/keywords/weed-competition","display_name":"weed competition","score":0.5950000286102295},{"id":"https://openalex.org/keywords/plant-growth","display_name":"plant growth","score":0.8029999732971191},{"id":"https://openalex.org/keywords/biomass-production","display_name":"biomass production","score":0.9909999966621399}],"concepts":[{"id":"https://openalex.org/C2779197568","wikidata":"https://www.wikidata.org/wiki/Q423986","display_name":"Sunflower","level":2,"score":0.8136577606201172},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6753034591674805},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.6278253197669983},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.6126057505607605},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5386642217636108},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.40072646737098694},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.29841309785842896},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.1962217390537262},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.10572218894958496},{"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/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2273239072","doi":null,"is_oa":false,"landing_page_url":"https://www.sid.ir/En/Journal/ViewPaper.aspx?ID=396358","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9208999872207642,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"},{"score":0.4390000104904175,"id":"https://metadata.un.org/sdg/15","display_name":"Life on land"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3193833255","https://openalex.org/W2942822880","https://openalex.org/W2467937802","https://openalex.org/W2288054458","https://openalex.org/W3206923727","https://openalex.org/W2972378069","https://openalex.org/W2149654222","https://openalex.org/W2261108018","https://openalex.org/W2513512923","https://openalex.org/W2955689675"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}