{"id":"https://openalex.org/W2370211754","doi":null,"title":"Effects of Different Nitrogen Forms on the Growth and Photosynthesis of Sunflower (Helianthus annuus)","display_name":"Effects of Different Nitrogen Forms on the Growth and Photosynthesis of Sunflower (Helianthus annuus)","publication_year":2005,"publication_date":"2005-01-01","ids":{"openalex":"https://openalex.org/W2370211754","mag":"2370211754"},"language":"en","primary_location":{"id":"mag:2370211754","doi":null,"is_oa":false,"landing_page_url":"http://en.cnki.com.cn/Article_en/CJFDTOTAL-DNYX200506022.htm","pdf_url":null,"source":{"id":"https://openalex.org/S4306500284","display_name":"Xibei zhiwu xuebao","issn_l":"1000-4025","issn":["1000-4025"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Xibei zhiwu xuebao","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/A5019035526","display_name":"Tan Wan-neng","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Tan Wan-neng","raw_affiliation_strings":["1,LI Yang-yang    2*"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"1,LI Yang-yang    2*","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5019035526"],"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":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12742","display_name":"Sunflower and Safflower Cultivation","score":0.8184000253677368,"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":0.8184000253677368,"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/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.121799997985363,"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/T10303","display_name":"Photosynthetic Processes and Mechanisms","score":0.03150000050663948,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/sunflower","display_name":"sunflower","score":0.9639999866485596},{"id":"https://openalex.org/keywords/nitrogen-forms","display_name":"nitrogen forms","score":0.8199999928474426},{"id":"https://openalex.org/keywords/nitrate-nitrogen","display_name":"nitrate nitrogen","score":0.9599999785423279},{"id":"https://openalex.org/keywords/ammonia-nitrogen","display_name":"ammonia nitrogen","score":1.0},{"id":"https://openalex.org/keywords/photosynthesis","display_name":"photosynthesis","score":0.8209999799728394},{"id":"https://openalex.org/keywords/stomatal-conductance","display_name":"stomatal conductance","score":0.9010000228881836},{"id":"https://openalex.org/keywords/chlorophyll-fluorescence","display_name":"chlorophyll fluorescence","score":0.8349999785423279},{"id":"https://openalex.org/keywords/non-photochemical-quenching","display_name":"non-photochemical quenching","score":0.7760000228881836},{"id":"https://openalex.org/keywords/co2-assimilation","display_name":"carbon assimilation","score":0.8100000023841858},{"id":"https://openalex.org/keywords/plant-growth","display_name":"plant growth","score":0.6899999976158142},{"id":"https://openalex.org/keywords/leaf-area","display_name":"leaf area","score":0.5099999904632568}],"concepts":[{"id":"https://openalex.org/C2778181364","wikidata":"https://www.wikidata.org/wiki/Q171497","display_name":"Helianthus annuus","level":3,"score":0.8790113925933838},{"id":"https://openalex.org/C2779197568","wikidata":"https://www.wikidata.org/wiki/Q423986","display_name":"Sunflower","level":2,"score":0.7962759137153625},{"id":"https://openalex.org/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"score":0.7875115871429443},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.6524592041969299},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5909954309463501},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5336217284202576},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.511104166507721},{"id":"https://openalex.org/C24525069","wikidata":"https://www.wikidata.org/wiki/Q923534","display_name":"Nitrogen deficiency","level":3,"score":0.4721907377243042},{"id":"https://openalex.org/C2779870022","wikidata":"https://www.wikidata.org/wiki/Q190901","display_name":"Ammonium","level":2,"score":0.44948655366897583},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.33962398767471313},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3380303978919983},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.19781389832496643},{"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2370211754","doi":null,"is_oa":false,"landing_page_url":"http://en.cnki.com.cn/Article_en/CJFDTOTAL-DNYX200506022.htm","pdf_url":null,"source":{"id":"https://openalex.org/S4306500284","display_name":"Xibei zhiwu xuebao","issn_l":"1000-4025","issn":["1000-4025"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Xibei zhiwu xuebao","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.9208999872207642,"id":"https://metadata.un.org/sdg/2"}],"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/W2149246086","https://openalex.org/W2162526403","https://openalex.org/W2013803097","https://openalex.org/W7020130630","https://openalex.org/W2387027413","https://openalex.org/W2025152260","https://openalex.org/W2312685614","https://openalex.org/W2492262531","https://openalex.org/W2885634152","https://openalex.org/W2354511661"],"abstract_inverted_index":{"The":[0,19],"effects":[1],"of":[2,11,29,34,45,69,77,100],"different":[3,78],"nitrogen":[4,36,47,54,79,93],"forms":[5,80],"on":[6],"the":[7,32,43,49,88,128,137],"growth":[8],"and":[9,26,48,65,111],"photosynthesis":[10],"sunflower":[12,30],"(Helianthus":[13],"annuus":[14],"L.)":[15],"were":[16,37],"hydroponically":[17],"studied.":[18],"results":[20],"showed":[21],"that":[22],"plant":[23],"height,leaf":[24],"area":[25],"dry":[27],"matter":[28],"with":[31,42,52,91,131],"fertilization":[33,51],"nitrate":[35,53,92],"significantly":[38,83,96,106,113],"higher":[39,57,97,107,114],"than":[40,127],"those":[41],"dertilization":[44],"ammonium":[46,132],"plants":[50,89,129],"presented":[55,94],"a":[56,66,95,112,121],"net":[58,142],"photosynthetic":[59,143],"rate,a":[60],"lower":[61,67,122],"stomatal":[62],"conductancwe":[63],"(Cs)":[64],"concentration":[68],"carbon":[70,134],"dioxide":[71],"in":[72,85],"intercellular":[73],"space":[74],"(Ci).The":[75],"fertilizations":[76],"did":[81],"not":[82],"differed":[84],"Fv/Fm":[86],"but":[87,120],"fertilized":[90,130],"quantum":[98],"yield":[99],"\u03a6PS\u2161":[101],"linear":[102],"electron":[103,116],"transport":[104,117],"(\u03a6PS\u2161),a":[105],"photochemical":[108],"quenching":[109,125],"(qp)":[110,126],"qpparent":[115],"rate":[118],"(ETR)":[119],"non-photochemical":[123],"fluorescence":[124],"nitrogen.Inhibited":[133],"assimilation":[135],"was":[136],"important":[138],"reason":[139],"for":[140],"lowered":[141],"rate.":[144]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-10-10T17:16:08.811792","created_date":"2016-06-24T00:00:00"}
