{"id":"https://openalex.org/W632136114","doi":null,"title":"Weed Occurrence, Growth and Yield of Rice Transplanted with 10-Day-Old Seedlings in Tillage and No-Tillage Paddy Fields","display_name":"Weed Occurrence, Growth and Yield of Rice Transplanted with 10-Day-Old Seedlings in Tillage and No-Tillage Paddy Fields","publication_year":2002,"publication_date":"2002-01-01","ids":{"openalex":"https://openalex.org/W632136114","mag":"632136114"},"language":"en","primary_location":{"id":"mag:632136114","doi":null,"is_oa":false,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JCHHBQ_2002_v22n2_154","pdf_url":null,"source":{"id":"https://openalex.org/S4306517755","display_name":"Korean Journal of Weed Science","issn_l":"0253-7648","issn":["0253-7648"],"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":"Korean Journal of Weed 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/A5061921629","display_name":"Yong In Kuk","orcid":"https://orcid.org/0000-0002-4000-8360","observed_orcids":["https://orcid.org/0000-0002-4000-8360"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yong In Kuk","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4000-8360","affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111708036","display_name":"Oh-Do Kwon","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Oh-Do Kwon","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5013007965","display_name":"Il-Bin Im","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Il-Bin Im","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":0.0,"has_fulltext":false,"cited_by_count":2,"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":"22","issue":"2","first_page":"154","last_page":"162"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9779999852180481,"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/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9779999852180481,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.015200000256299973,"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/T12792","display_name":"Soil Management and Crop Yield","score":0.0020000000949949026,"subfield":{"id":"https://openalex.org/subfields/1111","display_name":"Soil 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/transplanting","display_name":"transplanting","score":0.5490000247955322},{"id":"https://openalex.org/keywords/weed-occurrence","display_name":"weed occurrence","score":0.6370000243186951},{"id":"https://openalex.org/keywords/weed-growth","display_name":"weed growth","score":0.43299999833106995},{"id":"https://openalex.org/keywords/rice-yield","display_name":"rice yield","score":0.8840000033378601},{"id":"https://openalex.org/keywords/tillage","display_name":"tillage","score":0.7429999709129333},{"id":"https://openalex.org/keywords/paddy-fields","display_name":"paddy fields","score":0.7509999871253967},{"id":"https://openalex.org/keywords/barnyard-grass","display_name":"Echinochloa crus-galli","score":0.9589999914169312},{"id":"https://openalex.org/keywords/monochoria-vaginalis","display_name":"Monochoria vaginalis","score":0.9039999842643738},{"id":"https://openalex.org/keywords/eleocharis-kuroguwai","display_name":"Eleocharis kuroguwai","score":0.9959999918937683},{"id":"https://openalex.org/keywords/rice-growth","display_name":"rice growth","score":0.6000000238418579}],"concepts":[{"id":"https://openalex.org/C16397148","wikidata":"https://www.wikidata.org/wiki/Q878333","display_name":"Tillage","level":2,"score":0.8011122941970825},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7522429823875427},{"id":"https://openalex.org/C2779357833","wikidata":"https://www.wikidata.org/wiki/Q163965","display_name":"Echinochloa","level":3,"score":0.7131054997444153},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7077232003211975},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.6747182607650757},{"id":"https://openalex.org/C2779342048","wikidata":"https://www.wikidata.org/wiki/Q356031","display_name":"Transplanting","level":3,"score":0.6096487641334534},{"id":"https://openalex.org/C2780008357","wikidata":"https://www.wikidata.org/wiki/Q163527","display_name":"Echinochloa crus-galli","level":4,"score":0.5681081414222717},{"id":"https://openalex.org/C85582077","wikidata":"https://www.wikidata.org/wiki/Q842623","display_name":"Paddy field","level":2,"score":0.5458599925041199},{"id":"https://openalex.org/C2776096895","wikidata":"https://www.wikidata.org/wiki/Q1385709","display_name":"Seedling","level":2,"score":0.12849703431129456}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:632136114","doi":null,"is_oa":false,"landing_page_url":"http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=JCHHBQ_2002_v22n2_154","pdf_url":null,"source":{"id":"https://openalex.org/S4306517755","display_name":"Korean Journal of Weed Science","issn_l":"0253-7648","issn":["0253-7648"],"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":"Korean Journal of Weed Science","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.958299994468689}],"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/W203275820","https://openalex.org/W760709391","https://openalex.org/W775189398","https://openalex.org/W834704051","https://openalex.org/W570773163","https://openalex.org/W2685094746","https://openalex.org/W753709796","https://openalex.org/W6948620063","https://openalex.org/W3009914898","https://openalex.org/W863285697"],"abstract_inverted_index":{"No-tillage":[0],"cultivation":[1,9,35,109,197,278,293,310,319,332],"of":[2,10,108,114,157,184,193,226,244,276,294,300,320,344],"rice":[3,28,194,301,309,328,362],"was":[4,19,311,366],"evaluated":[5],"in":[6,25,73,102,120,136,147,172,195,203,218,233,253,265,326,330,361,364],"the":[7,23,33,50,155],"transplanting":[8,292,318],"10-day-old":[11,295,321],"seedlings":[12],"from":[13],"1993":[14],"to":[15,21,43,118,313],"1997.":[16],"This":[17],"study":[18],"conducted":[20],"examine":[22],"changes":[24],"weed":[26,54,79,115,128],"occurrence,":[27],"growth":[29],"and":[30,42,69,98,123,133,143,159,178,189,242,274,336,340,352],"yield":[31,262,272,299,329,363],"during":[32,39,175],"no-tillage":[34,51,103,124,137,179,196,219,254,277,308,331,365],"compared":[36,230],"with":[37,165],"those":[38,202,232,264],"tillage":[40,74,122,148,177,204,234,266],"cultivation,":[41],"clarify":[44],"a":[45,223,303,359],"critical":[46,304],"year":[47,305],"limit":[48,306],"for":[49,291,307,317],"cultivation.":[52,125,180,205],"Seven":[53],"species,":[55,80],"namely":[56,81],"Echinochloa":[57,82,141],"crus-galli,":[58,83],"Monochoria":[59,84],"vaginalis,":[60,85],"Aneilema":[61,86,131],"keisak,":[62,87],"Eleocharis":[63,88,134,144],"kuroguwai,":[64,89],"Sagittaria":[65,67,94,96],"pygmaea,":[66,95],"trifolia,":[68,97],"Scirpus":[70],"juncoides":[71],"emerged":[72],"paddy":[75,104,138,149,173,220,235,255,267,345],"fields,":[76,236],"whereas":[77],"nine":[78],"Leersia":[90],"japonica,":[91],"Potamogeton":[92],"distinctus,":[93],"Zizania":[99],"latifolia":[100],"occurred":[101,164],"fields.":[105,150,268],"As":[106],"years":[107,316],"increased,":[110],"shoot":[111,186,349],"dry":[112,187,191,350,354],"weight":[113,192,241],"species":[116,129],"tended":[117],"increase":[119],"both":[121,176],"The":[126],"dominant":[127],"were":[130,198],"keisak":[132],"kuroguwai":[135,145],"fields":[139,174,221,256],"while":[140],"crus-galli":[142],"dominated":[146],"When":[151],"we":[152],"looked":[153],"into":[154],"ratio":[156,343],"annual":[158,162],"perennial":[160,170],"weeds,":[161],"weeds":[163],"much":[166,199],"greater":[167],"frequency":[168],"than":[169,201,231,263],"ones":[171],"Plant":[181],"height,":[182],"number":[183,225,243],"tillers,":[185],"weight,":[188,351],"root":[190,353],"lower":[200,224,261],"Especially,":[206],"these":[207,372],"investigative":[208],"parameters":[209],"decreased":[210],"conspicuously":[211],"20":[212],"days":[213],"after":[214],"transplanting.":[215],"Rice":[216,251],"plants":[217,252],"had":[222],"panicles":[227],"per":[228,246],"m2":[229],"but":[237],"ripening":[238],"rate,":[239],"1,000-grain":[240],"spikelets":[245],"panicle":[247],"showed":[248],"no":[249],"difference.":[250],"exhibited":[257],"about":[258],"an":[259],"8-13%":[260],"Regression":[269],"equations":[270],"between":[271],"(y)":[273],"duration":[275],"(x)":[279],"can":[280],"be":[281,314],"obtained":[282],"as":[283,334],"follows,":[284],"y":[285],"=":[286],"-19.3x":[287],"+":[288],"518.5":[289],"(r=0.746**)":[290],"seedlings.":[296,322],"Considering":[297],"that":[298,358],"plants,":[302],"found":[312],"2":[315],"There":[323],"are":[324],"factors":[325,373],"reducing":[327],"such":[333],"missing":[335],"floating":[337],"hill,":[338],"solid":[339],"gaseous":[341],"phase":[342],"soil,":[346],"dissolved":[347],"oxygen,":[348],"weight.":[355],"We":[356],"suggest":[357],"decrease":[360],"affected":[367],"directly":[368],"or":[369],"indirectly":[370],"by":[371]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-26T08:19:03.415552","created_date":"2016-06-24T00:00:00"}