{"id":"https://openalex.org/W2157441200","doi":"https://doi.org/10.4314/ajfand.v10i6.58078","title":"Studies on effects of mineral fertilizer, organic manure and cultivar on the yield and storability of yam (Dioscorea rotundata Poir)","display_name":"Studies on effects of mineral fertilizer, organic manure and cultivar on the yield and storability of yam (Dioscorea rotundata Poir)","publication_year":2010,"publication_date":"2010-08-18","ids":{"openalex":"https://openalex.org/W2157441200","doi":"https://doi.org/10.4314/ajfand.v10i6.58078","mag":"2157441200"},"language":"en","primary_location":{"id":"doi:10.4314/ajfand.v10i6.58078","doi":"https://doi.org/10.4314/ajfand.v10i6.58078","is_oa":true,"landing_page_url":"https://doi.org/10.4314/ajfand.v10i6.58078","pdf_url":"https://www.ajol.info/index.php/ajfand/article/download/58078/46445","source":{"id":"https://openalex.org/S112978253","display_name":"African Journal of Food Agriculture Nutrition and Development","issn_l":"1684-5358","issn":["1684-5358","1684-5374"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","jpps-2","jufo-1","norway-1","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310311044","host_organization_name":"African Scholarly Science Communications Trust","host_organization_lineage":["https://openalex.org/P4310311044"],"host_organization_lineage_names":["African Scholarly Science Communications Trust"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African Journal of Food, Agriculture, Nutrition and Development","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.ajol.info/index.php/ajfand/article/download/58078/46445","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5058112099","display_name":"Shadrach Chinecherem Eze","orcid":"https://orcid.org/0000-0002-4987-5583","observed_orcids":["https://orcid.org/0000-0002-4987-5583"]},"institutions":[{"id":"https://openalex.org/I11892038","display_name":"University of Nigeria","ror":"https://ror.org/01sn1yx84","country_code":"NG","type":"education","lineage":["https://openalex.org/I11892038"]},{"id":"https://openalex.org/I19515543","display_name":"National Root Crops Research Institute","ror":"https://ror.org/016nn4m97","country_code":"NG","type":"facility","lineage":["https://openalex.org/I19515543"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"S.C Eze","raw_affiliation_strings":["Department of Crop Science, University of Nigeria, Nsukka","National Root Crops Research Institute , Umudike , Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Crop Science, University of Nigeria, Nsukka","institution_ids":["https://openalex.org/I11892038"]},{"raw_affiliation_string":"National Root Crops Research Institute , Umudike , Nigeria","institution_ids":["https://openalex.org/I19515543"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080240675","display_name":"G.C Orkwo","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19515543","display_name":"National Root Crops Research Institute","ror":"https://ror.org/016nn4m97","country_code":"NG","type":"facility","lineage":["https://openalex.org/I19515543"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"G.C Orkwo","raw_affiliation_strings":["National Root Crops Research Institute, Umudike, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Root Crops Research Institute, Umudike, Nigeria","institution_ids":["https://openalex.org/I19515543"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":750,"currency":"USD","value_usd":750},"apc_paid":{"value":750,"currency":"USD","value_usd":750},"fwci":0.0,"has_fulltext":true,"cited_by_count":9,"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":96},"biblio":{"volume":"10","issue":"6","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9937000274658203,"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":0.9937000274658203,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.0020000000949949026,"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/T13069","display_name":"Cocoa and Sweet Potato Agronomy","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/1108","display_name":"Horticulture"},"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/dioscorea","display_name":"yam","score":0.9980000257492065},{"id":"https://openalex.org/keywords/dioscorea-rotundata","display_name":"Dioscorea rotundata","score":0.9990000128746033},{"id":"https://openalex.org/keywords/tuber-storability","display_name":"tuber storability","score":0.8970000147819519},{"id":"https://openalex.org/keywords/postharvest-losses","display_name":"post-harvest losses","score":0.7889999747276306},{"id":"https://openalex.org/keywords/npk-fertilizer","display_name":"NPK fertilizer","score":0.8059999942779541},{"id":"https://openalex.org/keywords/organic-manure","display_name":"organic manure","score":0.9959999918937683},{"id":"https://openalex.org/keywords/yam-cultivars","display_name":"yam cultivars","score":0.7960000038146973},{"id":"https://openalex.org/keywords/dormancy-period","display_name":"dormancy period","score":0.8180000185966492},{"id":"https://openalex.org/keywords/tuber-weight-loss","display_name":"tuber weight loss","score":0.8560000061988831},{"id":"https://openalex.org/keywords/keeping-quality","display_name":"keeping quality","score":0.7549999952316284},{"id":"https://openalex.org/keywords/tuber-yield","display_name":"tuber yield","score":0.7940000295639038}],"concepts":[{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.8519679307937622},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.7865719199180603},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6785118579864502},{"id":"https://openalex.org/C2777794352","wikidata":"https://www.wikidata.org/wiki/Q5279594","display_name":"Dioscorea rotundata","level":2,"score":0.6231379508972168},{"id":"https://openalex.org/C38304854","wikidata":"https://www.wikidata.org/wiki/Q185716","display_name":"Manure","level":2,"score":0.580501139163971},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.5379242897033691},{"id":"https://openalex.org/C2778944361","wikidata":"https://www.wikidata.org/wiki/Q71549","display_name":"Dioscorea","level":3,"score":0.48081934452056885},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.4555235803127289},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4167175889015198},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0590609610080719},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.4314/ajfand.v10i6.58078","doi":"https://doi.org/10.4314/ajfand.v10i6.58078","is_oa":true,"landing_page_url":"https://doi.org/10.4314/ajfand.v10i6.58078","pdf_url":"https://www.ajol.info/index.php/ajfand/article/download/58078/46445","source":{"id":"https://openalex.org/S112978253","display_name":"African Journal of Food Agriculture Nutrition and Development","issn_l":"1684-5358","issn":["1684-5358","1684-5374"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","jpps-2","jufo-1","norway-1","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310311044","host_organization_name":"African Scholarly Science Communications Trust","host_organization_lineage":["https://openalex.org/P4310311044"],"host_organization_lineage_names":["African Scholarly Science Communications Trust"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African Journal of Food, Agriculture, Nutrition and Development","raw_type":"journal-article"},{"id":"pmh:oai:utoronto.scholaris.ca:1807/55627","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/1807/55627","pdf_url":"https://utoronto.scholaris.ca/bitstreams/95abc0cb-38ec-45a8-b97a-d686f0bf1d09/download","source":{"id":"https://openalex.org/S4306400261","display_name":"TSpace (University of Toronto)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I185261750","host_organization_name":"University of Toronto","host_organization_lineage":["https://openalex.org/I185261750"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:cria:bioline:nd:nd10064","doi":null,"is_oa":false,"landing_page_url":"http://www.bioline.org.br/abstract?id=nd10064","pdf_url":null,"source":{"id":"https://openalex.org/S4306402188","display_name":"Bioline International (Bioline International)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"African Journal of Food, Agriculture, Nutrition and Development (ISSN: 1684-5358) Vol 10 Num 6","raw_type":"AA"}],"best_oa_location":{"id":"doi:10.4314/ajfand.v10i6.58078","doi":"https://doi.org/10.4314/ajfand.v10i6.58078","is_oa":true,"landing_page_url":"https://doi.org/10.4314/ajfand.v10i6.58078","pdf_url":"https://www.ajol.info/index.php/ajfand/article/download/58078/46445","source":{"id":"https://openalex.org/S112978253","display_name":"African Journal of Food Agriculture Nutrition and Development","issn_l":"1684-5358","issn":["1684-5358","1684-5374"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj","jpps-2","jufo-1","norway-1","poland-20","russia-white-list-3","vabb-shw"],"host_organization":"https://openalex.org/P4310311044","host_organization_name":"African Scholarly Science Communications Trust","host_organization_lineage":["https://openalex.org/P4310311044"],"host_organization_lineage_names":["African Scholarly Science Communications Trust"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"African Journal of Food, Agriculture, Nutrition and Development","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","score":1.0,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2157441200.pdf","grobid_xml":"https://content.openalex.org/works/W2157441200.grobid-xml"},"referenced_works_count":4,"referenced_works":["https://openalex.org/W1844710920","https://openalex.org/W2103932055","https://openalex.org/W2287365724","https://openalex.org/W2464148259"],"related_works":["https://openalex.org/W7043507150","https://openalex.org/W2971171185","https://openalex.org/W2996456067","https://openalex.org/W4404642441","https://openalex.org/W4392863448","https://openalex.org/W4392117912","https://openalex.org/W2183670157","https://openalex.org/W2158456077","https://openalex.org/W7220585021","https://openalex.org/W2007406443"],"abstract_inverted_index":{"Yam":[0],"is":[1,298],"an":[2],"important":[3],"staple":[4],"food":[5],"crop":[6],"in":[7,15,25,44,96,162,193,255,266,307],"the":[8,73,144,150,154,196,228,249,305],"humid":[9],"and":[10,17,31,54,83,87,138,206,213,239,277,280],"sub-humid":[11],"tropics.":[12],"Despite":[13],"inadequacies":[14],"supply":[16],"availability":[18],"of":[19,75,99,146,153,198,211,248,263],"fertilizer":[20,38,86,109,130,176,200],"to":[21,41,64,85,119,269,311],"boost":[22],"yam":[23,77,156,264],"production":[24],"Nigeria,":[26],"there":[27],"have":[28,55,120],"been":[29],"reports":[30],"arguments":[32],"that":[33,259,300],"yams":[34],"grown":[35,48],"with":[36,49,127,135,186,195,202,220,232,246,292],"chemical":[37],"are":[39],"susceptible":[40],"pathological":[42],"deterioration":[43],"storage":[45,151],"while":[46],"those":[47],"organic":[50,88,111,116,166,318],"manure":[51,89,112,117,167,319],"store":[52],"better":[53,122,132,284],"longer":[56],"shelf":[57],"life.":[58],"Therefore,":[59],"two":[60,309],"experiments":[61,71],"were":[62,93],"conducted":[63],"investigate":[65],"this":[66,256],"controversy.":[67],"The":[68,140,208],"first":[69],"field":[70,270],"tested":[72,143,291],"responses":[74],"five":[76,155],"cultivars;":[78],"Amula,":[79],"Nwaopoko,":[80,204],"Ezakwukpolo":[81,205,240],"Danacha":[82,238,281],"Pepa":[84],"treatments.":[90,188,251],"Statistical":[91],"differences":[92],"not":[94],"detected":[95],"all":[97,288],"cases":[98],"manuring":[100,147,173,214,235,250,295],"treatment":[101],"although":[102],"tuber":[103,125],"yield":[104,126,133],"appeared":[105,118],"less":[106],"where":[107],"no":[108,172],"or":[110,174,233,293],"was":[113,160,168,177,190],"applied.":[114,178],"While":[115],"a":[121],"effect":[123,134,145],"on":[124,149,216,275],"Danacha,":[128,203],"NPK":[129,175,199],"had":[131,227,241,283],"Ezakwukpolo,":[136],"Amula":[137,194,225],"Pepa.":[139,207],"second":[141],"experiment":[142],"treatments":[148,215],"life":[152],"cultivars.":[157,278],"Dormancy":[158],"period":[159],"extended":[161],"Nwaopoko":[163,279],"cultivar":[164,212,221,226],"when":[165,171],"used":[169],"than":[170,287],"Tuber":[179],"weight":[180],"loss":[181],"varied":[182,219],"significantly":[183,191],"among":[184],"cultivars":[185,282,290,310],"different":[187],"Rotting":[189],"higher":[192],"application":[197],"compared":[201],"combined":[209],"effects":[210],"rotting":[217,230,244],"incidence":[218,231,245],"type.":[222],"For":[223],"example,":[224],"highest":[229],"without":[234,294],"treatments,":[236],"whereas":[237],"statistically":[242],"similar":[243],"any":[247],"In":[252],"conclusion,":[253],"evidences":[254],"study":[257],"show":[258],"post":[260],"harvest":[261],"losses":[262],"are,":[265],"part":[267],"due":[268],"management":[271],"but":[272],"mostly":[273],"dependent":[274],"species":[276],"keeping":[285],"qualities":[286],"other":[289],"treatment.":[296],"It":[297],"recommended":[299],"plant":[301],"breeders":[302],"should":[303],"use":[304],"traits":[306],"these":[308],"improve":[312],"others.Key":[313],"words:":[314],"Yam,":[315],"storability,":[316],"fertilizer,":[317]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
