{"id":"https://openalex.org/W1988164334","doi":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","title":"Effect of Planting Sequence and Time, and Nitrogen on Maize Legume Intercrop Yield","display_name":"Effect of Planting Sequence and Time, and Nitrogen on Maize Legume Intercrop Yield","publication_year":1988,"publication_date":"1988-08-01","ids":{"openalex":"https://openalex.org/W1988164334","doi":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","mag":"1988164334"},"language":"en","primary_location":{"id":"doi:10.1111/j.1439-037x.1988.tb00638.x","doi":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","pdf_url":null,"source":{"id":"https://openalex.org/S56137335","display_name":"Journal of Agronomy and Crop Science","issn_l":"0931-2250","issn":["0931-2250","1439-037X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Agronomy and Crop Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5004517956","display_name":"W. B. Bryan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I12097938","display_name":"West Virginia University","ror":"https://ror.org/011vxgd24","country_code":"US","type":"education","lineage":["https://openalex.org/I12097938"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"W. B. Bryan","raw_affiliation_strings":["West Virginia University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"West Virginia University","institution_ids":["https://openalex.org/I12097938"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037092170","display_name":"Samuel Peprah","orcid":"https://orcid.org/0000-0001-8519-3371","observed_orcids":["https://orcid.org/0000-0001-8519-3371"]},"institutions":[{"id":"https://openalex.org/I12097938","display_name":"West Virginia University","ror":"https://ror.org/011vxgd24","country_code":"US","type":"education","lineage":["https://openalex.org/I12097938"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"S. A. Peprah","raw_affiliation_strings":["West Virginia University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"West Virginia University","institution_ids":["https://openalex.org/I12097938"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5004517956"],"corresponding_institution_ids":["https://openalex.org/I12097938"],"apc_list":{"value":4780,"currency":"USD","value_usd":4780},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"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":"161","issue":"1","first_page":"17","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":1.0,"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":1.0,"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/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"}},{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.0,"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/maize-legume-intercropping","display_name":"maize-legume intercropping","score":0.9440000057220459},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.8220000267028809},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9900000095367432},{"id":"https://openalex.org/keywords/cowpea","display_name":"cowpea","score":0.996999979019165},{"id":"https://openalex.org/keywords/maize-grain-yield","display_name":"maize grain yield","score":0.7059999704360962},{"id":"https://openalex.org/keywords/forage-yield","display_name":"forage yield","score":0.8889999985694885},{"id":"https://openalex.org/keywords/monoculture-comparison","display_name":"monoculture comparison","score":0.7699999809265137}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.8629311323165894},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.8463093042373657},{"id":"https://openalex.org/C2776632002","wikidata":"https://www.wikidata.org/wiki/Q145909","display_name":"Legume","level":2,"score":0.8148696422576904},{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.7815718650817871},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.740155816078186},{"id":"https://openalex.org/C157005057","wikidata":"https://www.wikidata.org/wiki/Q220212","display_name":"Monoculture","level":2,"score":0.6360008120536804},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6054783463478088},{"id":"https://openalex.org/C2779862049","wikidata":"https://www.wikidata.org/wiki/Q132634","display_name":"Vigna","level":2,"score":0.47405025362968445}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1111/j.1439-037x.1988.tb00638.x","doi":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","is_oa":false,"landing_page_url":"https://doi.org/10.1111/j.1439-037x.1988.tb00638.x","pdf_url":null,"source":{"id":"https://openalex.org/S56137335","display_name":"Journal of Agronomy and Crop Science","issn_l":"0931-2250","issn":["0931-2250","1439-037X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-140","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Agronomy and Crop Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":1.0,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W787591985","https://openalex.org/W1964412207","https://openalex.org/W1973785177","https://openalex.org/W1981807119","https://openalex.org/W2017052449","https://openalex.org/W2153312779","https://openalex.org/W2205050442"],"related_works":["https://openalex.org/W2214771238","https://openalex.org/W2104152487","https://openalex.org/W1981807119","https://openalex.org/W4247738820","https://openalex.org/W1910162273","https://openalex.org/W4255848950","https://openalex.org/W2774970965","https://openalex.org/W2256892081","https://openalex.org/W4390290693","https://openalex.org/W2095664979"],"abstract_inverted_index":{"Abstract":[0],"Productivity":[1],"of":[2,121,174],"maize":[3,71,125,132,154,198,206,208],"(Zea":[4],"mays":[5],"L.)":[6,48],"legume":[7,80,104,202,219],"intercrops":[8,227],"is":[9,223,250],"determined":[10,113],"by":[11],"soil,":[12],"management,":[13],"and":[14,18,20,79,102,106,108,127,185,200,210,237,243,248],"environment.":[15],"Planting":[16,83],"sequence":[17,152],"time":[19,159],"N":[21],"fertilization":[22],"are":[23,34],"easily":[24],"controlled":[25],"management":[26,249],"factors":[27],"but":[28,135,167,214],"their":[29],"effects":[30],"on":[31,114,139,218,240],"intercrop":[32],"yields":[33,129,213],"not":[35,216],"well":[36],"understood.":[37],"Maize":[38,100,176],"grown":[39],"in":[40,67,133,234],"monoculture":[41,134],"or":[42,49,88,96,160],"intercropped":[43,155],"with":[44],"polebean":[45],"(Phaseolus":[46],"vulgaris":[47],"cowpea":[50],"(Vigna":[51],"unguiculata":[52],"[L.]":[53],"Warp.)":[54],"was":[55,92,147,153,170],"studied":[56],"for":[57,230],"two":[58],"growing":[59],"seasons":[60],"at":[61,75,94,156],"Morgantown,":[62],"WV.":[63],"Crops":[64],"were":[65,85,112],"seeded":[66,181,192],"the":[68,76,150,157,183,186],"following":[69],"sequences:":[70],"before":[72,81,161,182,193],"legume,":[73],"both":[74],"same":[77,158],"time,":[78],"maize.":[82,194],"times":[84,242],"early":[86],"May":[87],"mid":[89],"June.":[90],"Nitrogen":[91,204],"applied":[93],"0":[95],"160":[97],"kg":[98],"ha\u22121.":[99],"grain":[101,105,126],"forage,":[103,107,209],"total":[109,140,144,211],"forage":[110,128,141,145,168,179,190,212,220,232],"production":[111,146,169,199,233],"a":[115],"dry":[116],"matter":[117],"basis.":[118],"Intercropping":[119],"(average":[120],"all":[122],"treatments)":[123],"reduced":[124],"compared":[130],"to":[131],"had":[136,215],"no":[137],"effect":[138,217],"production.":[142,203,221],"However,":[143],"greatest":[148],"when":[149,180,191],"seeding":[151],"cowpea.":[162],"Cowpea":[163],"never":[164],"produced":[165,177,188],"grain,":[166,207],"almost":[171],"double":[172],"that":[173,225],"polebean.":[175],"most":[178,189],"legumes,":[184],"legumes":[187],"Early":[195],"planting":[196,241],"increased":[197,205],"decreased":[201],"It":[222],"concluded":[224],"maize/legume":[226],"show":[228],"promise":[229],"increasing":[231],"temperate":[235],"areas":[236],"more":[238],"research":[239],"densities,":[244],"weed":[245],"control,":[246],"harvesting":[247],"needed.":[251]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-06T12:05:46.655746","created_date":"2016-06-24T00:00:00"}