{"id":"https://openalex.org/W2935232292","doi":"https://doi.org/10.9734/ijpss/2019/v27i230071","title":"Effect of Maize \u2013Legume Intercrop and Fertilizer on Weed Suppression and Maize Performance in South Eastern, Nigeria","display_name":"Effect of Maize \u2013Legume Intercrop and Fertilizer on Weed Suppression and Maize Performance in South Eastern, Nigeria","publication_year":2019,"publication_date":"2019-03-28","ids":{"openalex":"https://openalex.org/W2935232292","doi":"https://doi.org/10.9734/ijpss/2019/v27i230071","mag":"2935232292"},"language":"en","primary_location":{"id":"doi:10.9734/ijpss/2019/v27i230071","doi":"https://doi.org/10.9734/ijpss/2019/v27i230071","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ijpss/2019/v27i230071","pdf_url":null,"source":{"id":"https://openalex.org/S2764346760","display_name":"International Journal of Plant & Soil Science","issn_l":"2320-7035","issn":["2320-7035"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["vabb-shw"],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Plant &amp; Soil Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://doi.org/10.9734/ijpss/2019/v27i230071","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5096902588","display_name":"Ogonnaya Esther Akpa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Akpa, Ogonnaya Esther","raw_affiliation_strings":["Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria","institution_ids":["https://openalex.org/I100116408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5074438483","display_name":"Udensi Ekea Udensi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Udensi Ekea Udensi","raw_affiliation_strings":["Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria","institution_ids":["https://openalex.org/I100116408"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112255196","display_name":"S. Omovbude","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Omovbude, Sunday","raw_affiliation_strings":["Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria","institution_ids":["https://openalex.org/I100116408"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109444971","display_name":"J. A. Orluchukwu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100116408","display_name":"University of Port Harcourt","ror":"https://ror.org/005bw2d06","country_code":"NG","type":"education","lineage":["https://openalex.org/I100116408"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Orluchukwu, Joseph Amadi","raw_affiliation_strings":["Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop and Soil Science, University of Port Harcourt, East West Road, Choba, P.M.B.5323, Port Harcourt, Nigeria","institution_ids":["https://openalex.org/I100116408"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I100116408"],"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":95},"biblio":{"volume":"27","issue":"2","first_page":"1","last_page":"15"},"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/T12058","display_name":"Allelopathy and phytotoxic interactions","score":0.008700000122189522,"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/T10774","display_name":"Weed Control and Herbicide Applications","score":0.005799999926239252,"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/maize-legume-intercropping","display_name":"maize-legume intercropping","score":0.9909999966621399},{"id":"https://openalex.org/keywords/weed-suppression","display_name":"weed suppression","score":0.9850000143051147},{"id":"https://openalex.org/keywords/mucuna-pruriens","display_name":"Mucuna pruriens","score":0.949999988079071},{"id":"https://openalex.org/keywords/lablab-purpureus","display_name":"Lablab purpureus","score":0.9179999828338623},{"id":"https://openalex.org/keywords/npk-fertilizer","display_name":"NPK fertilizer","score":0.9449999928474426},{"id":"https://openalex.org/keywords/maize-yield","display_name":"maize yield","score":0.8669999837875366},{"id":"https://openalex.org/keywords/weed-biomass","display_name":"weed biomass","score":0.8069999814033508},{"id":"https://openalex.org/keywords/legume-cover-crops","display_name":"legume cover crops","score":0.6840000152587891},{"id":"https://openalex.org/keywords/nitrogen-uptake","display_name":"nitrogen uptake","score":0.4059999883174896},{"id":"https://openalex.org/keywords/natural-fallow","display_name":"natural fallow","score":0.6050000190734863},{"id":"https://openalex.org/keywords/southeast-nigeria","display_name":"South-East Nigeria","score":0.7139999866485596}],"concepts":[{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.8279043436050415},{"id":"https://openalex.org/C2776201759","wikidata":"https://www.wikidata.org/wiki/Q953611","display_name":"Mucuna pruriens","level":2,"score":0.7980251312255859},{"id":"https://openalex.org/C2776632002","wikidata":"https://www.wikidata.org/wiki/Q145909","display_name":"Legume","level":2,"score":0.7535313367843628},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7394769787788391},{"id":"https://openalex.org/C2780747141","wikidata":"https://www.wikidata.org/wiki/Q2574724","display_name":"Mucuna","level":2,"score":0.6723074913024902},{"id":"https://openalex.org/C147273371","wikidata":"https://www.wikidata.org/wiki/Q2739141","display_name":"Weed control","level":2,"score":0.5950444936752319},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.5107176303863525},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.47029373049736023},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4086382985115051},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.404305100440979}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.9734/ijpss/2019/v27i230071","doi":"https://doi.org/10.9734/ijpss/2019/v27i230071","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ijpss/2019/v27i230071","pdf_url":null,"source":{"id":"https://openalex.org/S2764346760","display_name":"International Journal of Plant & Soil Science","issn_l":"2320-7035","issn":["2320-7035"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["vabb-shw"],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Plant &amp; Soil Science","raw_type":"journal-article"},{"id":"pmh:oai:journalijpss.com:article/1980","doi":null,"is_oa":true,"landing_page_url":"https://journalijpss.com/index.php/IJPSS/article/view/1980","pdf_url":null,"source":{"id":"https://openalex.org/S2764346760","display_name":"International Journal of Plant & Soil Science","issn_l":"2320-7035","issn":["2320-7035"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["vabb-shw"],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2320-7035","raw_type":"info:eu-repo/semantics/article"},{"id":"pmh:oai:HAL:hal-05364405v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-05364405v1","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Plant & Soil Science, 2019, 27 (2), pp.1-15","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"doi:10.9734/ijpss/2019/v27i230071","doi":"https://doi.org/10.9734/ijpss/2019/v27i230071","is_oa":true,"landing_page_url":"https://doi.org/10.9734/ijpss/2019/v27i230071","pdf_url":null,"source":{"id":"https://openalex.org/S2764346760","display_name":"International Journal of Plant & Soil Science","issn_l":"2320-7035","issn":["2320-7035"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":["vabb-shw"],"host_organization":"https://openalex.org/P4310320855","host_organization_name":"Sciencedomain International","host_organization_lineage":["https://openalex.org/P4310320855"],"host_organization_lineage_names":["Sciencedomain International"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Plant &amp; Soil Science","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":1.0},{"id":"https://metadata.un.org/sdg/15","display_name":"Life on land","score":0.7605999708175659}],"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/W2928840889","https://openalex.org/W3138425556","https://openalex.org/W2994959314","https://openalex.org/W2104152487","https://openalex.org/W4410182065","https://openalex.org/W4403037660","https://openalex.org/W313844941","https://openalex.org/W2095664979","https://openalex.org/W1977607749","https://openalex.org/W3197582425"],"abstract_inverted_index":{"Maize":[0,34,309],"is":[1,320],"one":[2],"of":[3,15,33,44,51,59,70,90,92,95,136,139,152,211,251,293],"the":[4,11,26,68,85,206,231,291],"most":[5,27],"commonly":[6],"cultivated":[7],"arable":[8],"crops":[9],"in":[10,36,278,290],"rain":[12],"forest":[13],"zone":[14],"South":[16],"Eastern":[17],"Nigeria.":[18],"Globally":[19],"soil":[20],"fertility":[21],"and":[22,42,76,87,103,114,146,149,158,179,183,189,230,237,242,267,281],"weed":[23,74,182,201,212,225,232],"pressure":[24],"are":[25],"important":[28],"constraints":[29],"limiting":[30],"increase":[31],"productivity":[32,58],"especially":[35],"Sub":[37],"Saharan":[38],"Africa":[39],"(SSA).":[40],"Unavailability":[41],"cost":[43,50],"inorganic":[45],"fertilizer":[46,155,301,307],"as":[47,49],"well":[48],"labour":[52],"for":[53,240],"weeding":[54],"have":[55],"engendered":[56],"low":[57],"maize.":[60,332],"Hence":[61],"this":[62,252,275],"trial":[63,80,108,253],"was":[64,81,109,120,215,297,310],"conducted":[65,110],"to":[66,169,205,227,300,306,312,315],"evaluate":[67],"efficacy":[69],"maize-legume":[71],"systems":[72,141],"on":[73,176],"suppression":[75,233],"maize":[77,177],"performance.":[78],"The":[79,107,118,162,209,220],"carried":[82],"out":[83],"at":[84,186,327],"Teaching":[86],"Research":[88],"Farm":[89],"Faculty":[91],"Agriculture,":[93],"University":[94],"Port":[96],"Harcourt,":[97],"Nigeria":[98],"located":[99],"within":[100,257],"latitude":[101],"04\u00b054\u2019N":[102],"longitude":[104],"6\u00b055\u2019":[105],"E).":[106],"between":[111],"April":[112],"4th":[113],"July":[115],"5th,":[116],"2017.":[117],"experiment":[119],"a":[121,129],"3":[122,124,137],"x":[123],"factorial":[125],"arrangement":[126],"fitted":[127],"into":[128],"randomized":[130],"complete":[131],"block":[132],"design":[133],"(RCBD)":[134],"consisting":[135],"types":[138],"legume":[140,184,198,221,276],"(Mucuna":[142],"pruriens,":[143],"Lablab":[144,243,304],"purpurens":[145],"No":[147],"legume)":[148],"three":[150],"levels":[151],"NPK":[153,283],"15:15:15":[154],"(0,":[156],"15,":[157],"30":[159],"kg":[160],"NPK/ha).":[161],"9":[163],"treatment":[164],"combinations":[165],"were":[166,175],"replicated":[167],"thrice":[168],"give":[170],"27":[171],"plots.":[172],"Data":[173],"collected":[174],"yield":[178,180],"components,":[181],"parameters":[185],"4,":[187],"8":[188,258],"16":[190],"weeks":[191,259,329],"after":[192,260,330],"sowing":[193,261,331],"(WAS).":[194],"Result":[195,250],"showed":[196],"that":[197,256,282,322],"significantly":[199,223],"reduced":[200],"biomass":[202,213],"when":[203],"compared":[204,226],"natural":[207,228],"fallow.":[208],"effect":[210,289],"reduction":[214],"Mucuna":[216,241,296,313],"34.8%":[217],">Lablab":[218],"29.2%.":[219],"system":[222,280],"suppressed":[224],"fallow":[229],"ability":[234],"average":[235],"56%":[236],"30%":[238],"respectively":[239],"whether":[244],"or":[245,287],"not":[246,298],"they":[247],"received":[248],"NPK.":[249],"also":[254],"revealed":[255],"legumes":[262,324],"(8":[263],"WASL)":[264],"26%":[265],"N":[266,269],"22%":[268],"can":[270],"be":[271,325],"harvested":[272],"by":[273],"integrating":[274],"cover":[277],"cropping":[279],"application":[284,302],"has":[285],"little":[286],"no":[288],"performance":[292],"these":[294,323],"legumes.":[295],"sensitive":[299,311],"while":[303],"responded":[305],"application.":[308],"due":[314],"early":[316],"integration;":[317],"hence,":[318],"it":[319],"recommended":[321],"integrated":[326],"six":[328]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2019-04-11T00:00:00"}
