{"id":"https://openalex.org/W1933014773","doi":null,"title":"Effects of crop rotation and tillage depth on weed competition and yield of rice in the paddy fields of northern Iran.","display_name":"Effects of crop rotation and tillage depth on weed competition and yield of rice in the paddy fields of northern Iran.","publication_year":2010,"publication_date":"2010-01-28","ids":{"openalex":"https://openalex.org/W1933014773","mag":"1933014773"},"language":"en","primary_location":{"id":"mag:1933014773","doi":null,"is_oa":false,"landing_page_url":"https://www.sid.ir/en/VEWSSID/J_pdf/84820070202.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Agricultural Science and Technology","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/A5088204448","display_name":"H. Filizadeh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"H. Filizadeh","raw_affiliation_strings":["Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran","institution_ids":["https://openalex.org/I119025939"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066220882","display_name":"Alireza Rezazadeh","orcid":"https://orcid.org/0000-0002-6104-1717","observed_orcids":["https://orcid.org/0000-0002-6104-1717"]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Alireza Rezazadeh","raw_affiliation_strings":["Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran"],"raw_orcid":"https://orcid.org/0000-0002-6104-1717","affiliations":[{"raw_affiliation_string":"Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran","institution_ids":["https://openalex.org/I119025939"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049724174","display_name":"Z. Younessi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I119025939","display_name":"Shahed University","ror":"https://ror.org/01e8ff003","country_code":"IR","type":"education","lineage":["https://openalex.org/I119025939"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Z. Younessi","raw_affiliation_strings":["Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Agronomy, Shahed University, P. O. Box: 18151-159, Tehran, Islamic Republic of Iran","institution_ids":["https://openalex.org/I119025939"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I119025939"],"apc_list":null,"apc_paid":null,"fwci":1.8937,"has_fulltext":false,"cited_by_count":26,"citation_normalized_percentile":{"value":0.85145822,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"9","issue":"2","first_page":"99","last_page":"105"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.9726999998092651,"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":0.9726999998092651,"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":0.01269999984651804,"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":0.005400000140070915,"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/crop-rotation","display_name":"crop rotation","score":0.9940000176429749},{"id":"https://openalex.org/keywords/tillage-depth","display_name":"tillage depth","score":0.9750000238418579},{"id":"https://openalex.org/keywords/weed-competition","display_name":"weed competition","score":0.8960000276565552},{"id":"https://openalex.org/keywords/rice-yield","display_name":"rice yield","score":0.902999997138977},{"id":"https://openalex.org/keywords/paddy-weeds","display_name":"paddy field weeds","score":0.7799999713897705},{"id":"https://openalex.org/keywords/no-tillage","display_name":"no-tillage","score":0.8939999938011169},{"id":"https://openalex.org/keywords/reduced-tillage","display_name":"reduced tillage","score":0.9909999966621399},{"id":"https://openalex.org/keywords/chisel-plowing","display_name":"chisel plowing","score":0.9900000095367432},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.8989999890327454},{"id":"https://openalex.org/keywords/barnyard-grass","display_name":"Echinochloa crus-galli","score":0.9120000004768372},{"id":"https://openalex.org/keywords/arrowhead","display_name":"arrowhead","score":0.9049999713897705},{"id":"https://openalex.org/keywords/alisma-plantago-aquatica","display_name":"water plantain","score":0.9869999885559082},{"id":"https://openalex.org/keywords/weed-biomass","display_name":"weed biomass","score":0.8450000286102295},{"id":"https://openalex.org/keywords/weed-density","display_name":"weed density","score":0.7490000128746033},{"id":"https://openalex.org/keywords/northern-iran","display_name":"northern Iran","score":0.703000009059906}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.8198415040969849},{"id":"https://openalex.org/C16397148","wikidata":"https://www.wikidata.org/wiki/Q878333","display_name":"Tillage","level":2,"score":0.7640756368637085},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.7483136653900146},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.721733808517456},{"id":"https://openalex.org/C180429540","wikidata":"https://www.wikidata.org/wiki/Q11464","display_name":"Plough","level":2,"score":0.6257559657096863},{"id":"https://openalex.org/C175760724","wikidata":"https://www.wikidata.org/wiki/Q191258","display_name":"Crop rotation","level":3,"score":0.528715193271637},{"id":"https://openalex.org/C2778543611","wikidata":"https://www.wikidata.org/wiki/Q161426","display_name":"Oryza sativa","level":3,"score":0.5033935904502869},{"id":"https://openalex.org/C147273371","wikidata":"https://www.wikidata.org/wiki/Q2739141","display_name":"Weed control","level":2,"score":0.4718237817287445},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.45774975419044495},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4015665650367737},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.356838583946228},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3486364781856537},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3377782106399536},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","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}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:1933014773","doi":null,"is_oa":false,"landing_page_url":"https://www.sid.ir/en/VEWSSID/J_pdf/84820070202.pdf","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Agricultural Science and Technology","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.7605999708175659,"display_name":"Life on land","id":"https://metadata.un.org/sdg/15"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W288900583","https://openalex.org/W621041642","https://openalex.org/W1552069662","https://openalex.org/W1982706918","https://openalex.org/W1985888594","https://openalex.org/W1992341513","https://openalex.org/W1994888619","https://openalex.org/W1997780483","https://openalex.org/W2001476614","https://openalex.org/W2007275035","https://openalex.org/W2030678002","https://openalex.org/W2061252512","https://openalex.org/W2068387115","https://openalex.org/W2077007907","https://openalex.org/W2091413659","https://openalex.org/W2134823553","https://openalex.org/W2135778207","https://openalex.org/W2166893632","https://openalex.org/W2178387025","https://openalex.org/W2211119998","https://openalex.org/W2252400190","https://openalex.org/W2287519357","https://openalex.org/W2790091051","https://openalex.org/W2945650440","https://openalex.org/W2953524401"],"related_works":["https://openalex.org/W7097790110","https://openalex.org/W2967338433","https://openalex.org/W7027398455","https://openalex.org/W4281568672","https://openalex.org/W1572439131","https://openalex.org/W1584862902","https://openalex.org/W309938800","https://openalex.org/W2004801251","https://openalex.org/W2243875045","https://openalex.org/W4400148816"],"abstract_inverted_index":{"Crop":[0,96],"rotation":[1,97,147,170,198],"is":[2],"one":[3],"of":[4,13,48,52,68,78,105,125],"the":[5,46,66,75,103,122,145,160,168],"essential":[6],"practices":[7],"in":[8,25,83,144,149,159,167,185,189,197,205],"sustainable":[9],"agricultural":[10],"systems,":[11],"because":[12],"its":[14],"effects":[15],"on":[16,57,102],"soil":[17],"fertility":[18],"and":[19,54,63,65,81,88,93,112,128,139,156,163,179,192,203,207],"other":[20],"benefits":[21],"including":[22],"a":[23,99,134,154],"reduction":[24],"weed":[26,140,161,164],"competition.":[27],"A":[28],"field":[29],"experiment":[30],"was":[31],"conducted":[32],"at":[33],"Chaparsar":[34],"Rice":[35],"Research":[36],"Station,":[37],"Tonekabon,":[38],"Iran,":[39],"from":[40],"2002":[41,206],"to":[42,44,211],"2003":[43],"assess":[45],"influence":[47],"crop":[49,76],"rotation,":[50],"time":[51],"planting,":[53],"tillage":[55,191],"depth":[56],"rice":[58,80,119,174,195,213],"(Oryza":[59],"sativa":[60],"L.)":[61],"yield":[62,196],"density":[64,124,162],"biomass":[67,138,165],"three":[69],"important":[70],"paddy":[71],"weeds.":[72,117],"Treatments":[73],"included":[74],"rotations":[77],"continuous":[79,150,173,212],"rice-soybeanrice,":[82],"combinations":[84],"with":[85,133,172],"planting":[86,120],"times":[87],"no":[89],"tillage,":[90,92],"minimum":[91,190],"chisel":[94],"plowing.":[95],"had":[98],"significant":[100],"effect":[101],"growth":[104,182],"barnyardgrass":[106],"(Echinochloa":[107],"crus-galli),":[108],"arrowhead":[109,178],"(Sagittaria":[110],"sagittifolia),":[111],"water":[113,129,180],"plantain":[114,130,181],"(Alisma":[115],"plantagoaquatica)":[116],"Continuous":[118],"produced":[121],"highest":[123],"barnyardgrass,":[126,177],"arrowhead,":[127],"weeds,":[131],"compared":[132,171,210],"rice\u2013soybean-rice":[135],"rotation.":[136],"Weed":[137],"densities":[141],"were":[142,153,183],"lower":[143],"rice-soybean-rice":[146,169],"than":[148,188],"rice.":[151],"There":[152],"62.5":[155],"80%":[157],"reductions":[158],"respectively,":[166,209],"planting.":[175,214],"Fewer":[176],"observed":[184],"no-tillage":[186],"treatments":[187,199],"chisel.":[193],"Therefore,":[194],"increased":[200],"by":[201],"17":[202],"21%":[204],"2003,":[208]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}