{"id":"https://openalex.org/W783414404","doi":null,"title":"Optimization of Cultivational Conditions of Rice(Oryza sativa L.) by a Central Composite Design Applied to an Early Cultivar in Southern Region","display_name":"Optimization of Cultivational Conditions of Rice(Oryza sativa L.) by a Central Composite Design Applied to an Early Cultivar in Southern Region","publication_year":1989,"publication_date":"1989-01-01","ids":{"openalex":"https://openalex.org/W783414404","mag":"783414404"},"language":"en","primary_location":{"id":"mag:783414404","doi":null,"is_oa":false,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JMHHBK_1989_v34n1_60","pdf_url":null,"source":{"id":"https://openalex.org/S2764903676","display_name":"The Korean Journal of Crop Science","issn_l":"0252-9777","issn":["0252-9777","2287-8432"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered"],"host_organization":"https://openalex.org/P4324034449","host_organization_name":"The Korean Society of Crop Science","host_organization_lineage":["https://openalex.org/P4324034449"],"host_organization_lineage_names":["The Korean Society of Crop Science"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Korean Journal of Crop Science","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/A5000976773","display_name":"Gil-Man Shon","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Gil-Man Shon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016879983","display_name":"Jeung-Kyo Kim","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jeung-Kyo Kim","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016309080","display_name":"Zhin-Ryong Choe","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhin-Ryong Choe","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037505766","display_name":"Yu-Sik Lee","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yu-Sik Lee","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5083550355","display_name":"Joong-Yang Park","orcid":"https://orcid.org/0000-0002-6815-9996","observed_orcids":["https://orcid.org/0000-0002-6815-9996"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Joong-Yang Park","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-6815-9996","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":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"34","issue":"1","first_page":"60","last_page":"73"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9667999744415283,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9667999744415283,"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/T11798","display_name":"Optimal Experimental Design Methods","score":0.02850000001490116,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.002300000051036477,"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/rice","display_name":"rice","score":0.9980000257492065},{"id":"https://openalex.org/keywords/central-composite-design","display_name":"central composite design","score":0.7599999904632568},{"id":"https://openalex.org/keywords/fractional-factorial-design","display_name":"fractional factorial design","score":0.8939999938011169},{"id":"https://openalex.org/keywords/plant-density","display_name":"plant density","score":0.9290000200271606},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.6650000214576721},{"id":"https://openalex.org/keywords/transplanting-date","display_name":"transplanting date","score":0.9990000128746033},{"id":"https://openalex.org/keywords/seedling-age","display_name":"seedling age","score":0.9980000257492065},{"id":"https://openalex.org/keywords/brown-rice-yield","display_name":"brown rice yield","score":0.9430000185966492},{"id":"https://openalex.org/keywords/saddle-points","display_name":"saddle points","score":0.6579999923706055},{"id":"https://openalex.org/keywords/critical-points","display_name":"critical points","score":0.5239999890327454}],"concepts":[{"id":"https://openalex.org/C2779342048","wikidata":"https://www.wikidata.org/wiki/Q356031","display_name":"Transplanting","level":3,"score":0.9248858094215393},{"id":"https://openalex.org/C2776096895","wikidata":"https://www.wikidata.org/wiki/Q1385709","display_name":"Seedling","level":2,"score":0.8124076128005981},{"id":"https://openalex.org/C2778543611","wikidata":"https://www.wikidata.org/wiki/Q161426","display_name":"Oryza sativa","level":3,"score":0.7500953674316406},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.7349245548248291},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.7246277332305908},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5030190348625183},{"id":"https://openalex.org/C92397422","wikidata":"https://www.wikidata.org/wiki/Q5062082","display_name":"Central composite design","level":3,"score":0.45628130435943604},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.45042526721954346},{"id":"https://openalex.org/C169222746","wikidata":"https://www.wikidata.org/wiki/Q4116558","display_name":"Factorial experiment","level":2,"score":0.42775967717170715},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.4117050766944885},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.4113748073577881},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38356757164001465},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3790963888168335},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.07636144757270813},{"id":"https://openalex.org/C150077022","wikidata":"https://www.wikidata.org/wiki/Q3136137","display_name":"Response surface methodology","level":2,"score":0.07425761222839355},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"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:783414404","doi":null,"is_oa":false,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JMHHBK_1989_v34n1_60","pdf_url":null,"source":{"id":"https://openalex.org/S2764903676","display_name":"The Korean Journal of Crop Science","issn_l":"0252-9777","issn":["0252-9777","2287-8432"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["kci-registered"],"host_organization":"https://openalex.org/P4324034449","host_organization_name":"The Korean Society of Crop Science","host_organization_lineage":["https://openalex.org/P4324034449"],"host_organization_lineage_names":["The Korean Society of Crop Science"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Korean Journal of Crop Science","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.991100013256073,"id":"https://metadata.un.org/sdg/2"}],"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/W2384406020","https://openalex.org/W2966590233","https://openalex.org/W2371417154","https://openalex.org/W1436019464","https://openalex.org/W3150160606","https://openalex.org/W2552872941","https://openalex.org/W2380617139","https://openalex.org/W2383108835","https://openalex.org/W571640046","https://openalex.org/W2518806498"],"abstract_inverted_index":{"Two":[0],"field":[1],"experiments":[2,163],"were":[3,77,155,164,173,202,251,267,310,442,476],"carried":[4],"out":[5],"to":[6,39,82,97,110,119,128,137,242,253,358,418,458,462],"assess":[7],"the":[8,47,53,59,63,67,88,102,113,122,158,169,186,189,198,223,227,234,264,296,307,315,323,328,334,343,360,363,370,375,385,400,416,423,429,435,449,452],"applicability":[9],"of":[10,21,42,49,55,61,74,90,104,140,177,188,192,194,217,239,263,284,292,330,345,378,397,399,411,415,437,448,466,473],"a":[11,255],"central":[12,31,170,190,205,224,235,297,316,335,364,430,453],"composite":[13,32,171,298,317,336,365,431,454],"design":[14,33,134,172,318,337,366,432,455],"(CCD)":[15],"in":[16,27,144,258,295,314,322,341,393,405,409,428,446],"determining":[17],"optimum":[18,376],"culture":[19,464],"condition":[20,465],"an":[22,356,438],"early":[23],"rice":[24,179,209,244,285,301,380,468],"cultivar,":[25],"Unbongbyeo":[26],"southern":[28],"Korea.":[29],"A":[30,131],"with":[34,470],"two":[35,218],"replicates":[36],"was":[37,135,183,220,338,352,456],"applied":[38,136],"five":[40,43,141,195,240],"levels":[41,60,73,103,139,191,427,472],"factors":[44,142,196,201,219,230,241,401,408,417,475],"such":[45],"as":[46,390],"number":[48,54,89,329,344],"hills":[50,81,84,269],"per":[51,57,85,92,100,149,152,180,211,246,270,275,280,303,381],"3.3m2,":[52],"seedlings":[56,91,99,274],"hill,":[58,276],"nitrogen,":[62],"transplanting":[64,114,282],"date":[65,115,283],"and":[66,151,157,248,289,319,425],"seedling":[68,96,123,293],"age":[69,124,294],"(Experiment":[70,146],"1).":[71],"The":[72,166,237],"planting":[75],"density":[76],"ranged":[78],"from":[79,94,107,116,125,161,168,362,369],"30":[80],"150":[83],"3.3m2":[86],";":[87],"hill":[93,150,247],"1":[95,108],"9":[98],"hill;":[101],"nitrogen":[105,279],"application":[106],"kg/l0a":[109,313,321],"21":[111],"kg/l0a;":[112],"June":[117,287],"15":[118],"July":[120],"5;":[121],"25":[126],"days":[127,291],"45":[129],"days.":[130],"fractional":[132,324,371],"factorial":[133,325,372],"three":[138,229],"tested":[143],"CCD":[145],"2).":[147],"Yield":[148],"unit":[153,181,212,249,304,382],"area":[154,182,213,250,305,383],"examined":[156],"results":[159,361],"obtained":[160,184],"both":[162,259,394,422],"compared.":[165],"benefits":[167],"discussed.":[174],"Maximum":[175],"yield":[176,210,245,302],"brown":[178,208,243,379],"at":[185,204,222,233,306,384],"combination":[187],"one":[193],"when":[197,226],"other":[199],"four":[200],"fixed":[203,232],"point.":[206],"Furthermore,":[207],"affected":[214],"by":[215],"interaction":[216],"maximized":[221],"point":[225,257],"remain":[228],"being":[231,388,433],"level.":[236],"responses":[238],"found":[252,457],"be":[254,403,459],"saddle":[256,391],"designs.":[260,395],"Actual":[261],"values":[262],"stationary":[265,308,386],"points":[266,309,387,392],"107":[268],"3.3":[271],"m2,":[272],"4":[273],"10":[277],"kg":[278],"l0a,":[281],"on":[286],"26":[288],"33":[290],"design.":[299,326,373],"Brown":[300],"estimated":[311],"439":[312],"442":[320],"Considering":[327,374],"experimental":[331],"treatment":[332,346],"combinations,":[333],"rather":[339],"convenient":[340,354],"reducing":[342],"combinations":[347],"for":[348,355],"similar":[349],"information.":[350],"It":[351],"more":[353,460],"experimenter":[357],"present":[359],"than":[367],"those":[368],"yields":[377],"verified":[389],"inter-heterogeneity":[396],"each":[398],"should":[402],"avoided":[404],"setting":[406],"up":[407],"pursuit":[410],"inducing":[412],"unidirectional":[413],"response":[414],"yield.":[419],"Even":[420],"though":[421],"lower":[424],"higher":[426],"beyond":[434],"region":[436],"experimenter's":[439],"interest.":[440],"they":[441],"considered":[443],"highly":[444],"valued":[445],"interpretation":[447],"results.":[450],"Conclusively.":[451],"beneficial":[461],"optimize":[463],"paddy":[467],"even":[469],"several":[471],"various":[474],"involved.":[477]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2016-06-24T00:00:00"}
