{"id":"https://openalex.org/W1997380409","doi":"https://doi.org/10.3329/bjas.v39i1-2.9680","title":"Effect of nitrogen fertilizer on yield contributing character, biomass yield and nutritive value of cowpea forage","display_name":"Effect of nitrogen fertilizer on yield contributing character, biomass yield and nutritive value of cowpea forage","publication_year":1970,"publication_date":"1970-01-01","ids":{"openalex":"https://openalex.org/W1997380409","doi":"https://doi.org/10.3329/bjas.v39i1-2.9680","mag":"1997380409"},"language":"en","primary_location":{"id":"doi:10.3329/bjas.v39i1-2.9680","doi":"https://doi.org/10.3329/bjas.v39i1-2.9680","is_oa":true,"landing_page_url":"https://doi.org/10.3329/bjas.v39i1-2.9680","pdf_url":"https://www.banglajol.info/index.php/BJAS/article/download/9680/7172","source":{"id":"https://openalex.org/S2764987612","display_name":"Bangladesh Journal of Animal Science","issn_l":"0003-3588","issn":["0003-3588","2408-8307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Bangladesh Journal of Animal 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://www.banglajol.info/index.php/BJAS/article/download/9680/7172","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100839467","display_name":"MR Hasan","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24057909","display_name":"Bangladesh Agricultural University","ror":"https://ror.org/03k5zb271","country_code":"BD","type":"education","lineage":["https://openalex.org/I24057909"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"MR Hasan","raw_affiliation_strings":["Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh","institution_ids":["https://openalex.org/I24057909"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103400467","display_name":"MA Akbar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24057909","display_name":"Bangladesh Agricultural University","ror":"https://ror.org/03k5zb271","country_code":"BD","type":"education","lineage":["https://openalex.org/I24057909"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"MA Akbar","raw_affiliation_strings":["Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh","institution_ids":["https://openalex.org/I24057909"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108356564","display_name":"Zahirul Haque Khandaker","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I24057909","display_name":"Bangladesh Agricultural University","ror":"https://ror.org/03k5zb271","country_code":"BD","type":"education","lineage":["https://openalex.org/I24057909"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"ZH Khandaker","raw_affiliation_strings":["Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh","institution_ids":["https://openalex.org/I24057909"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101472404","display_name":"MM Rahman","orcid":"https://orcid.org/0000-0002-4433-2707","observed_orcids":["https://orcid.org/0000-0002-4433-2707"]},"institutions":[{"id":"https://openalex.org/I24057909","display_name":"Bangladesh Agricultural University","ror":"https://ror.org/03k5zb271","country_code":"BD","type":"education","lineage":["https://openalex.org/I24057909"]}],"countries":["BD"],"is_corresponding":false,"raw_author_name":"MM Rahman","raw_affiliation_strings":["Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh","institution_ids":["https://openalex.org/I24057909"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I24057909"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":27,"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":98},"biblio":{"volume":"39","issue":"1-2","first_page":"83","last_page":"88"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9150000214576721,"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"}},"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9150000214576721,"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/T13125","display_name":"Agricultural pest management studies","score":0.06040000170469284,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.005100000184029341,"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/cowpea","display_name":"cowpea","score":0.9020000100135803},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.824999988079071},{"id":"https://openalex.org/keywords/forage-yield","display_name":"forage yield","score":0.7749999761581421},{"id":"https://openalex.org/keywords/nutritional-value","display_name":"nutritional value","score":0.7570000290870667},{"id":"https://openalex.org/keywords/crude-protein","display_name":"crude protein","score":0.7680000066757202},{"id":"https://openalex.org/keywords/forage-chemical-composition","display_name":"forage chemical composition","score":0.7450000047683716},{"id":"https://openalex.org/keywords/digestibility","display_name":"digestibility","score":0.6179999709129333},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.546999990940094},{"id":"https://openalex.org/keywords/plant-height","display_name":"plant height","score":0.6769999861717224},{"id":"https://openalex.org/keywords/biomass-yield","display_name":"biomass yield","score":0.609000027179718}],"concepts":[{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.8118938207626343},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.7238793969154358},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.7016549706459045},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6906813383102417},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.6242743134498596},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.498746395111084},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.4633863866329193},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.42298102378845215},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.4216495156288147},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38248535990715027},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.37330517172813416},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.35894447565078735},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.27982044219970703},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","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},{"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/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3329/bjas.v39i1-2.9680","doi":"https://doi.org/10.3329/bjas.v39i1-2.9680","is_oa":true,"landing_page_url":"https://doi.org/10.3329/bjas.v39i1-2.9680","pdf_url":"https://www.banglajol.info/index.php/BJAS/article/download/9680/7172","source":{"id":"https://openalex.org/S2764987612","display_name":"Bangladesh Journal of Animal Science","issn_l":"0003-3588","issn":["0003-3588","2408-8307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Bangladesh Journal of Animal Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3329/bjas.v39i1-2.9680","doi":"https://doi.org/10.3329/bjas.v39i1-2.9680","is_oa":true,"landing_page_url":"https://doi.org/10.3329/bjas.v39i1-2.9680","pdf_url":"https://www.banglajol.info/index.php/BJAS/article/download/9680/7172","source":{"id":"https://openalex.org/S2764987612","display_name":"Bangladesh Journal of Animal Science","issn_l":"0003-3588","issn":["0003-3588","2408-8307"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Bangladesh Journal of Animal Science","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W1997380409.pdf","grobid_xml":"https://content.openalex.org/works/W1997380409.grobid-xml"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W2041574945","https://openalex.org/W2082980569","https://openalex.org/W2217689305","https://openalex.org/W2292259936","https://openalex.org/W2554487122","https://openalex.org/W2747566783","https://openalex.org/W2994336993"],"related_works":["https://openalex.org/W2957163144","https://openalex.org/W4297835182","https://openalex.org/W2754860607","https://openalex.org/W4414269358","https://openalex.org/W3015145706","https://openalex.org/W7042371673","https://openalex.org/W3096875661","https://openalex.org/W3161182893","https://openalex.org/W1483806559","https://openalex.org/W2889434798"],"abstract_inverted_index":{"The":[0,52,96],"study":[1],"was":[2,74,130],"conducted":[3],"to":[4,133],"investigate":[5],"the":[6,12,56,104,122,155,158,166,171],"effect":[7,64,91],"of":[8,21,58,81,94,98,114,127,136,151,157,168,173],"nitrogen":[9,25,59,82,99],"application":[10,57,80,97,167],"on":[11,65,92,145],"yield":[13,17,113],"contributing":[14],"characteristics,":[15],"biomass":[16],"and":[18,36,68,107,110,148],"nutritive":[19],"values":[20],"cowpea":[22,115,128,152,181],"forage.":[23,116,153],"Five":[24],"levels":[26],"viz:":[27],"0":[28],"(T0),":[29],"15":[30],"(T1),":[31],"20":[32,44],"(T2),":[33],"25":[34,77,174],"(T3)":[35],"30":[37],"(T0)":[38],"kg":[39],"N/ha":[40,176],"were":[41],"applied":[42],"in":[43,46],"plots":[45],"a":[47],"Completely":[48],"Randomized":[49],"Design":[50],"(CRD).":[51],"result":[53],"showed":[54],"that":[55,165],"fertilizer":[60,83,100],"had":[61,142],"significant":[62,90,118],"(P<0.01)":[63,102],"plant":[66,70],"height":[67,71],"highest":[69],"(96.25":[72],"cm)":[73],"observed":[75,131],"at":[76,170],"kgN/ha.":[78],"However,":[79],"from":[84],"urea":[85],"did":[86],"not":[87],"show":[88],"any":[89],"branching":[93],"plant.":[95],"significantly":[101],"increased":[103],"green,":[105],"dry":[106],"organic":[108],"matter,":[109],"crude":[111],"protein":[112],"No":[117],"difference":[119],"(P>0.01)":[120],"among":[121],"groups":[123],"for":[124,180],"chemical":[125],"composition":[126],"forage":[129,182],"due":[132],"increasing":[134],"rate":[135,172],"N":[137,140,169],"fertilizer.":[138],"Similarly,":[139],"fertilization":[141],"no":[143],"affect":[144],"OM":[146],"digestibility":[147],"ME":[149],"content":[150],"From":[154],"results":[156],"present":[159],"study,":[160],"it":[161],"may":[162],"be":[163,178],"concluded":[164],"Kg":[175],"could":[177],"used":[179],"production.":[183],"Key":[184],"words:":[185],"Cowpea;":[186],"Nitrogen":[187],"fertilizer;":[188],"Yield;":[189],"Chemical":[190],"composition;":[191],"Nutritive":[192],"value":[193],"DOI:":[194],"http://dx.doi.org/10.3329/bjas.v39i1-2.9680":[195],"Bang.":[196],"J.":[197],"Anim.":[198],"Sci.":[199],"2010,":[200],"39(1&2):":[201],"83-88":[202]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":3},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}