{"id":"https://openalex.org/W2132451323","doi":null,"title":"Growth and yield parameters of maize and egusi melon in intercrop as influenced by the cropping system and different rates of NPK fertilizer","display_name":"Growth and yield parameters of maize and egusi melon in intercrop as influenced by the cropping system and different rates of NPK fertilizer","publication_year":2013,"publication_date":"2013-11-03","ids":{"openalex":"https://openalex.org/W2132451323","mag":"2132451323"},"language":"en","primary_location":{"id":"mag:2132451323","doi":null,"is_oa":false,"landing_page_url":"http://sciencewebpublishing.net/jacr/archive/2013/November/pdf/Ekwere%20et%20al.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306515300","display_name":"Journal of Agricultural and Crop Research","issn_l":"2384-731X","issn":["2384-731X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1"],"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":"Journal of Agricultural and Crop Research","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/A5024419626","display_name":"Okon John Ekwere","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Okon Ekwere","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053631854","display_name":"CO Muoneke","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"CO Muoneke","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111052661","display_name":"M. J. Eka","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. J. Eka","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5034681502","display_name":"VE Osodeke","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"VE Osodeke","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":87,"max":93},"biblio":{"volume":"1","issue":"5","first_page":"69","last_page":"75"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.9955999851226807,"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":0.9955999851226807,"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":0.0038999998942017555,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":9.999999747378752e-05,"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/maize","display_name":"maize","score":0.9539999961853027},{"id":"https://openalex.org/keywords/egusi-melon","display_name":"egusi melon","score":0.996999979019165},{"id":"https://openalex.org/keywords/citrullus-colocynthis","display_name":"Citrullus colocynthis","score":0.9750000238418579},{"id":"https://openalex.org/keywords/intercropping","display_name":"intercropping","score":0.8429999947547913},{"id":"https://openalex.org/keywords/npk-fertilizer","display_name":"NPK fertilizer","score":0.9129999876022339},{"id":"https://openalex.org/keywords/fertilizer-dose","display_name":"fertilizer dose","score":0.8650000095367432},{"id":"https://openalex.org/keywords/crop-yield","display_name":"crop yield","score":0.5870000123977661},{"id":"https://openalex.org/keywords/crop-growth","display_name":"crop growth","score":0.5450000166893005},{"id":"https://openalex.org/keywords/land-equivalent-ratio","display_name":"land equivalent ratio","score":0.8579999804496765},{"id":"https://openalex.org/keywords/crop-competition","display_name":"crop competition","score":0.531000018119812},{"id":"https://openalex.org/keywords/cropping-systems","display_name":"cropping systems","score":0.5699999928474426}],"concepts":[{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.9041846990585327},{"id":"https://openalex.org/C2778979107","wikidata":"https://www.wikidata.org/wiki/Q132239","display_name":"Citrullus","level":2,"score":0.8101763725280762},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.762903094291687},{"id":"https://openalex.org/C2779852692","wikidata":"https://www.wikidata.org/wiki/Q1919686","display_name":"Melon","level":2,"score":0.7143632173538208},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6916590929031372},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.6615819931030273},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5924655795097351},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.47423145174980164},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.21233919262886047},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.18187302350997925},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.13562947511672974},{"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/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2132451323","doi":null,"is_oa":false,"landing_page_url":"http://sciencewebpublishing.net/jacr/archive/2013/November/pdf/Ekwere%20et%20al.pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306515300","display_name":"Journal of Agricultural and Crop Research","issn_l":"2384-731X","issn":["2384-731X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["norway-1"],"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":"Journal of Agricultural and Crop Research","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W172624418","https://openalex.org/W1980161605","https://openalex.org/W1992897439","https://openalex.org/W2019358912","https://openalex.org/W2029931920","https://openalex.org/W2124017572","https://openalex.org/W2312830240","https://openalex.org/W2477868122","https://openalex.org/W3080507815","https://openalex.org/W3214710230"],"related_works":["https://openalex.org/W2994688668","https://openalex.org/W2143099774","https://openalex.org/W2282312943","https://openalex.org/W3194745537","https://openalex.org/W3042821241","https://openalex.org/W4391696280","https://openalex.org/W785248899","https://openalex.org/W2160609137","https://openalex.org/W6996255302","https://openalex.org/W2991917848"],"abstract_inverted_index":{"The":[0,101,115],"effect":[1],"of":[2,5,14,74,80,84,97,104],"different":[3,60],"rates":[4,62],"NPK":[6,87],"20:10:10":[7,88],"fertilizer":[8,61,89,112],"on":[9],"the":[10,45,51,56,71,77,95,105,128,137],"growth":[11,138],"and":[12,30,35,41,47,66,76,99,145],"yield":[13,73,96,144],"egusi":[15,36,48,81],"melon":[16,37,49],"(Colocynthis":[17],"citrullus":[18],"L.":[19],"Schrad)/maize":[20],"(Zea":[21],"mays":[22],"L.)":[23],"intercropping":[24,120],"system":[25],"were":[26,38,108,122,133],"examined":[27],"in":[28,43,118,131],"2011":[29],"2012":[31],"cropping":[32],"seasons.":[33],"Maize":[34],"planted":[39],"sole,":[40],"also":[42],"intercrop:":[44],"maize":[46,75,98],"constituted":[50],"main":[52],"plot":[53,58],"treatment":[54],"while":[55],"sub":[57],"was":[59],"(0,":[63],"200,":[64],"400":[65],"600":[67],"kg/ha).":[68],"Intercropping":[69],"reduced":[70],"grain":[72],"seed":[78],"yields":[79],"melon.":[82],"Application":[83],"200":[85],"kg/ha":[86],"significantly":[90],"(P":[91],"=":[92],"0.05)":[93],"promoted":[94],"egusi-melon.":[100],"competitive":[102],"abilities":[103],"component":[106],"crops":[107,130],"enhanced":[109],"at":[110],"increased":[111],"application":[113],"rate.":[114],"total":[116],"LER":[117],"all":[119],"situations":[121],"greater":[123],"than":[124],"one,":[125],"indicating":[126],"that":[127],"two":[129],"mixture":[132],"able":[134],"to":[135],"utilize":[136],"factors":[139],"maximally":[140],"for":[141],"their":[142],"optimum":[143],"productivity.":[146]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}