{"id":"https://openalex.org/W286286971","doi":null,"title":"Effect of nitrogen levels and weed management practices on pigeonpea (Cajanus cajan) and rice (Oryza sativa) intercropping system under ridge-furrow planting system.","display_name":"Effect of nitrogen levels and weed management practices on pigeonpea (Cajanus cajan) and rice (Oryza sativa) intercropping system under ridge-furrow planting system.","publication_year":2009,"publication_date":"2009-01-01","ids":{"openalex":"https://openalex.org/W286286971","mag":"286286971"},"language":"en","primary_location":{"id":"mag:286286971","doi":null,"is_oa":true,"landing_page_url":"https://www.cabdirect.org/abstracts/20093127155.html","pdf_url":null,"source":{"id":"https://openalex.org/S182975812","display_name":"The Indian Journal of Agricultural Sciences","issn_l":"0019-5022","issn":["0019-5022","2394-3319"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318737","host_organization_name":"Indian Council of Agricultural Research","host_organization_lineage":["https://openalex.org/P4310318737"],"host_organization_lineage_names":["Indian Council of Agricultural Research"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Indian Journal of Agricultural Sciences","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://www.cabdirect.org/abstracts/20093127155.html","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025066323","display_name":"M. K. Yadav","orcid":"https://orcid.org/0000-0002-7913-150X","observed_orcids":["https://orcid.org/0000-0002-7913-150X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. K. Yadav","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5100906295","display_name":"R. S. Singh","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. S. Singh","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":0.5684,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.76204494,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"79","issue":"4","first_page":"268","last_page":"272"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.9810000061988831,"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"}},"topics":[{"id":"https://openalex.org/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.9810000061988831,"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"}},{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.010099999606609344,"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"}},{"id":"https://openalex.org/T10774","display_name":"Weed Control and Herbicide Applications","score":0.004399999976158142,"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/pigeonpea","display_name":"Cajanus cajan","score":0.8330000042915344},{"id":"https://openalex.org/keywords/rice","display_name":"rice","score":0.984000027179718},{"id":"https://openalex.org/keywords/intercropping","display_name":"intercropping","score":0.9279999732971191},{"id":"https://openalex.org/keywords/ridge-furrow-planting","display_name":"ridge-furrow planting","score":0.9240000247955322},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9240000247955322},{"id":"https://openalex.org/keywords/weed-control","display_name":"weed control","score":0.9879999756813049},{"id":"https://openalex.org/keywords/pendimethalin","display_name":"pendimethalin","score":0.984000027179718},{"id":"https://openalex.org/keywords/hand-weeding","display_name":"hand weeding","score":0.9810000061988831},{"id":"https://openalex.org/keywords/weed-dry-matter","display_name":"weed dry matter","score":0.7900000214576721},{"id":"https://openalex.org/keywords/nitrogen-uptake","display_name":"nitrogen uptake","score":0.7599999904632568},{"id":"https://openalex.org/keywords/net-returns","display_name":"net returns","score":0.9409999847412109},{"id":"https://openalex.org/keywords/weed-control-efficiency","display_name":"weed control efficiency","score":0.6470000147819519},{"id":"https://openalex.org/keywords/varanasi","display_name":"Varanasi","score":0.4189999997615814},{"id":"https://openalex.org/keywords/varanasi-district","display_name":"Varanasi district","score":0.4189999997615814},{"id":"https://openalex.org/keywords/uttar-pradesh","display_name":"Uttar Pradesh","score":0.4359999895095825},{"id":"https://openalex.org/keywords/yield-components","display_name":"yield components","score":0.4320000112056732}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.8473947048187256},{"id":"https://openalex.org/C2777531858","wikidata":"https://www.wikidata.org/wiki/Q3239959","display_name":"Cajanus","level":2,"score":0.8288832306861877},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7931725978851318},{"id":"https://openalex.org/C2778302866","wikidata":"https://www.wikidata.org/wiki/Q423895","display_name":"Pendimethalin","level":3,"score":0.7817720174789429},{"id":"https://openalex.org/C147273371","wikidata":"https://www.wikidata.org/wiki/Q2739141","display_name":"Weed control","level":2,"score":0.704245924949646},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.7031477093696594},{"id":"https://openalex.org/C2778543611","wikidata":"https://www.wikidata.org/wiki/Q161426","display_name":"Oryza sativa","level":3,"score":0.6189844608306885},{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.5847869515419006},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.5508997440338135},{"id":"https://openalex.org/C2780500427","wikidata":"https://www.wikidata.org/wiki/Q2351904","display_name":"Stover","level":3,"score":0.546552836894989},{"id":"https://openalex.org/C2776394811","wikidata":"https://www.wikidata.org/wiki/Q3634497","display_name":"Cropping system","level":3,"score":0.49910759925842285},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.42503225803375244},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.3927077353000641},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.20103254914283752},{"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:286286971","doi":null,"is_oa":true,"landing_page_url":"https://www.cabdirect.org/abstracts/20093127155.html","pdf_url":null,"source":{"id":"https://openalex.org/S182975812","display_name":"The Indian Journal of Agricultural Sciences","issn_l":"0019-5022","issn":["0019-5022","2394-3319"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318737","host_organization_name":"Indian Council of Agricultural Research","host_organization_lineage":["https://openalex.org/P4310318737"],"host_organization_lineage_names":["Indian Council of Agricultural Research"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Indian Journal of Agricultural Sciences","raw_type":null}],"best_oa_location":{"id":"mag:286286971","doi":null,"is_oa":true,"landing_page_url":"https://www.cabdirect.org/abstracts/20093127155.html","pdf_url":null,"source":{"id":"https://openalex.org/S182975812","display_name":"The Indian Journal of Agricultural Sciences","issn_l":"0019-5022","issn":["0019-5022","2394-3319"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","dongbi-c","jufo-1","norway-1","poland-20","russia-white-list-3"],"host_organization":"https://openalex.org/P4310318737","host_organization_name":"Indian Council of Agricultural Research","host_organization_lineage":["https://openalex.org/P4310318737"],"host_organization_lineage_names":["Indian Council of Agricultural Research"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"The Indian Journal of Agricultural Sciences","raw_type":null},"sustainable_development_goals":[{"display_name":"Zero hunger","score":1.0,"id":"https://metadata.un.org/sdg/2"},{"display_name":"Life on land","score":0.4390000104904175,"id":"https://metadata.un.org/sdg/15"}],"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/W1798962533","https://openalex.org/W7220602632","https://openalex.org/W203405949","https://openalex.org/W1531862478","https://openalex.org/W2890310362","https://openalex.org/W2979975742","https://openalex.org/W191083365","https://openalex.org/W4390289810","https://openalex.org/W2993374036","https://openalex.org/W2434048952"],"abstract_inverted_index":{"A":[0],"field":[1],"experiment":[2],"was":[3,307],"conducted":[4],"during":[5],"2004-05":[6],"and":[7,20,26,28,34,54,60,69,77,96,101,117,120,146,172,187,227,253,264,268,290,294],"2005-06":[8],"at":[9,49,58,225,233,242,313],"Varanasi":[10],"to":[11,109,157,160,194,213,286],"find":[12],"out":[13],"the":[14],"effect":[15,167],"of":[16,71,105,115,122,150,153,174,189,249,255,260,266,292,305],"nitrogen":[17,86,97,129,142,154,203],"levels":[18,152,211],"(0":[19],"25":[21,106],"kg":[22,30,107,196],"N/ha":[23,31,108,215],"for":[24,32],"pigeonpea":[25,72,82,110,125,175,179,269,295],"50,75":[27],"100":[29,158,214],"rice)":[33],"weed":[35,91,93,134,136,139,200,219,281,300,326],"management":[36,220,282,301,327],"practices(weedy":[37],"check,":[38],"pendimethalin":[39,43,236,308],"@":[40,44,237],"1.0":[41,45,238],"kg/ha,":[42],"kg/ha+1":[46,239,310],"hand":[47,56,223,240,277,311],"weeding":[48,241,312],"45":[50,61,228,243,314],"days":[51,62,229,244,315],"after":[52,63,230,245,316],"sowing":[53,231,246,317],"2":[55,222,276],"weedings":[57,224,278],"15":[59,226],"sowing)":[64],"on":[65,168],"growth,":[66,169,184,250,261,287],"yield":[67,70,118,170,185,251,254,262,272,288],"attributes":[68,119,171,186,252,263,289],"[Cajanus":[73],"cajan":[74],"(L.)":[75],"Millsp.]":[76],"rice":[78,161,190,267,293],"(Oryza":[79],"sativa":[80],"L.),":[81],"grain":[83,126,180,270,296],"equivalent":[84,127,181,271,297],"yield,":[85,128,182],"uptake":[87,130],"by":[88,99,131,144,205],"cropping":[89,132],"system,":[90,133],"numbers,":[92,135,199],"dry":[94,137,201],"matter":[95],"removal":[98,143,204],"weeds":[100,145,206],"net":[102,147,322],"returns.":[103,148],"Application":[104,149],"gave":[111,319],"significantly":[112,191,320],"higher":[113,258,321],"value":[114],"growth":[116],"yields":[121,173,188,265,291],"both":[123],"crops,":[124],"matter,":[138,202],"control":[140],"efficiency,":[141],"increasing":[151,209],"from":[155],"50":[156],"kg/ha":[159],"did":[162],"not":[163],"show":[164],"any":[165],"significant":[166],"as":[176,178],"well":[177],"whereas":[183],"increased":[192,207],"up":[193,212],"75":[195],"N/ha.":[197],"Weed":[198],"with":[208,235,275],"N":[210],"in":[216,247,303],"rice.":[217],"Among":[218],"practices,":[221],"found":[232],"par":[234],"respect":[248,285],"pigeonpea.":[256],"Significantly":[257],"values":[259],"were":[273],"recorded":[274],"than":[279],"other":[280],"practices.":[283,328],"In":[284],"yield;":[298],"next":[299],"practice":[302],"order":[304],"superiority":[306],"@1.0":[309],"which":[318],"returns":[323],"among":[324],"all":[325]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}