{"id":"https://openalex.org/W2365879552","doi":null,"title":"Relationship between Chlorophyll Meter Readings(SPAD Readings) and Chlorophyll Content of Crop Leaves","display_name":"Relationship between Chlorophyll Meter Readings(SPAD Readings) and Chlorophyll Content of Crop Leaves","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W2365879552","mag":"2365879552"},"language":"en","primary_location":{"id":"mag:2365879552","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-HBNX200001001.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764842618","display_name":"Hubei Nongxueyuan xuebao","issn_l":"1004-3888","issn":["1004-3888"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Hubei Nongxueyuan 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/A5109302530","display_name":"Ai Tian","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ai Tian","raw_affiliation_strings":["cheng,  LI Fang  min,  ZHOU Zhi  an,  ZHANG Min,  WU Hai  rong"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"cheng,  LI Fang  min,  ZHOU Zhi  an,  ZHANG Min,  WU Hai  rong","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5109302530"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"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":95},"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9531000256538391,"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/T14365","display_name":"Leaf Properties and Growth Measurement","score":0.9531000256538391,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.032600000500679016,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10616","display_name":"Smart Agriculture and AI","score":0.003599999938160181,"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/spad-chlorophyll-meter","display_name":"SPAD chlorophyll meter","score":0.9210000038146973},{"id":"https://openalex.org/keywords/chlorophyll-content","display_name":"chlorophyll content","score":0.9139999747276306},{"id":"https://openalex.org/keywords/crop-leaves","display_name":"crop leaves","score":0.7870000004768372},{"id":"https://openalex.org/keywords/spad-502","display_name":"SPAD-502","score":0.7120000123977661},{"id":"https://openalex.org/keywords/rice","display_name":"rice","score":0.6690000295639038},{"id":"https://openalex.org/keywords/cotton","display_name":"cotton","score":1.0},{"id":"https://openalex.org/keywords/maize","display_name":"maize","score":0.8809999823570251},{"id":"https://openalex.org/keywords/sorghum","display_name":"sorghum","score":1.0},{"id":"https://openalex.org/keywords/soybean","display_name":"soybean","score":0.996999979019165}],"concepts":[{"id":"https://openalex.org/C2776373379","wikidata":"https://www.wikidata.org/wiki/Q43177","display_name":"Chlorophyll","level":2,"score":0.709812581539154},{"id":"https://openalex.org/C2778157034","wikidata":"https://www.wikidata.org/wiki/Q12111","display_name":"Sorghum","level":2,"score":0.6534092426300049},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.6372208595275879},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.44658875465393066},{"id":"https://openalex.org/C2778902199","wikidata":"https://www.wikidata.org/wiki/Q133878","display_name":"Chlorophyll a","level":2,"score":0.439973384141922},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3838442862033844},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3462103307247162},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.33250725269317627},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.32226723432540894},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2543455958366394}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2365879552","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-HBNX200001001.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764842618","display_name":"Hubei Nongxueyuan xuebao","issn_l":"1004-3888","issn":["1004-3888"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Hubei Nongxueyuan xuebao","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.8409000039100647,"display_name":"Zero hunger"}],"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/W2369973296","https://openalex.org/W4409736428","https://openalex.org/W2376109208","https://openalex.org/W251564134","https://openalex.org/W3150806322","https://openalex.org/W2054787071","https://openalex.org/W3119462118","https://openalex.org/W2001210740","https://openalex.org/W2067670479","https://openalex.org/W3148762230"],"abstract_inverted_index":{"SPAD-502":[0,37],"readings":[1,21],"and":[2,9,22],"chlorophyll":[3,23,38],"content":[4,24,28],"of":[5,29],"leaf":[6],"in":[7,25],"rice,cotton,corn,sorghum":[8],"soybean":[10],"were":[11,16],"determined.The":[12],"good":[13],"correlated":[14],"relationships":[15],"established":[17],"between":[18],"the":[19,26],"SPAD":[20],"leaves.Chlorophyll":[27],"crop":[30],"leaves":[31],"would":[32],"be":[33],"determined":[34],"quickly":[35],"using":[36],"meter.":[39]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-02T10:15:12.560889","created_date":"2016-06-24T00:00:00"}