{"id":"https://openalex.org/W7212371885","doi":"https://doi.org/10.5281/zenodo.22725611","title":"Assessment of Different Levels of Blanket Recommendations of NPK Fertiliser for Okro Production","display_name":"Assessment of Different Levels of Blanket Recommendations of NPK Fertiliser for Okro Production","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W7212371885","doi":"https://doi.org/10.5281/zenodo.22725611"},"language":"en","primary_location":{"id":"doi:10.5281/zenodo.22725611","doi":"https://doi.org/10.5281/zenodo.22725611","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22725611","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"parent_works":[],"lineage":["https://openalex.org/W7212371885"],"child_works_count":0,"type":"article","is_traditional":true,"indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.5281/zenodo.22725611","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5150116694","display_name":"Peter Wusu Ougbemi","orcid":"https://orcid.org/0000-0002-2636-9362","observed_orcids":["https://orcid.org/0000-0002-2636-9362"]},"institutions":[{"id":"https://openalex.org/I4401200310","display_name":"Lagos State University of Education","ror":"https://ror.org/04bs4rc32","country_code":"NG","type":"education","lineage":["https://openalex.org/I4401200310"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"Ogungbe, Peter, W.","raw_affiliation_strings":["Lagos State University of Education (LASUED), Oto/Ijanikin, Lagos, Nigeria"],"raw_orcid":"https://orcid.org/0000-0002-2636-9362","affiliations":[{"raw_affiliation_string":"Lagos State University of Education (LASUED), Oto/Ijanikin, Lagos, Nigeria","institution_ids":["https://openalex.org/I4401200310"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5150116694"],"corresponding_institution_ids":["https://openalex.org/I4401200310"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"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":0.9970999956130981,"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":0.9970999956130981,"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":0.002400000113993883,"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/T13246","display_name":"Agriculture, Plant Science, Crop Management","score":9.999999747378752e-05,"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/npk-fertilizer","display_name":"NPK fertilizer","score":0.9610000252723694},{"id":"https://openalex.org/keywords/okra","display_name":"okra","score":0.6840000152587891},{"id":"https://openalex.org/keywords/fertilizer-dose","display_name":"fertilizer dose","score":0.7110000252723694},{"id":"https://openalex.org/keywords/chemical-fertilizers","display_name":"mineral fertilizers","score":0.5410000085830688},{"id":"https://openalex.org/keywords/nutritional-imbalance","display_name":"nutrient imbalance","score":0.6060000061988831},{"id":"https://openalex.org/keywords/soil-analysis","display_name":"soil analysis","score":0.640999972820282},{"id":"https://openalex.org/keywords/crop-yield","display_name":"crop yield","score":0.5609999895095825},{"id":"https://openalex.org/keywords/peasant-farmers","display_name":"peasant farmers","score":0.6589999794960022}],"concepts":[{"id":"https://openalex.org/C2779261148","wikidata":"https://www.wikidata.org/wiki/Q5852","display_name":"Blanket","level":2,"score":0.7649000287055969},{"id":"https://openalex.org/C71762439","wikidata":"https://www.wikidata.org/wiki/Q843920","display_name":"Arable land","level":3,"score":0.7425000071525574},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.6930000185966492},{"id":"https://openalex.org/C2779220025","wikidata":"https://www.wikidata.org/wiki/Q838811","display_name":"Peasant","level":2,"score":0.6401000022888184},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6018000245094299},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.570900022983551},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.4975999891757965},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4442000091075897},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.4433000087738037},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4334999918937683},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.4169999957084656},{"id":"https://openalex.org/C2992136107","wikidata":"https://www.wikidata.org/wiki/Q104856566","display_name":"Soil nutrients","level":3,"score":0.36480000615119934},{"id":"https://openalex.org/C126343540","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Crop yield","level":2,"score":0.35440000891685486},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.34869998693466187},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.3472999930381775},{"id":"https://openalex.org/C2989409935","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Crop production","level":3,"score":0.2897999882698059},{"id":"https://openalex.org/C37621935","wikidata":"https://www.wikidata.org/wiki/Q3606845","display_name":"Agricultural science","level":1,"score":0.267300009727478},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.2653000056743622},{"id":"https://openalex.org/C2993940100","wikidata":"https://www.wikidata.org/wiki/Q756","display_name":"Plant production","level":2,"score":0.25949999690055847}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.5281/zenodo.22725611","doi":"https://doi.org/10.5281/zenodo.22725611","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22725611","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},{"id":"doi:10.5281/zenodo.22725612","doi":"https://doi.org/10.5281/zenodo.22725612","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22725612","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"}],"best_oa_location":{"id":"doi:10.5281/zenodo.22725611","doi":"https://doi.org/10.5281/zenodo.22725611","is_oa":true,"landing_page_url":"https://doi.org/10.5281/zenodo.22725611","pdf_url":null,"source":{"id":"https://openalex.org/S4306400562","display_name":"Zenodo (CERN European Organization for Nuclear Research)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I67311998","host_organization_name":"European Organization for Nuclear Research","host_organization_lineage":["https://openalex.org/I67311998"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"JournalArticle"},"sustainable_development_goals":[{"score":0.991100013256073,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7136172769","https://openalex.org/W3164508827","https://openalex.org/W2069105743","https://openalex.org/W4403119308","https://openalex.org/W2193904816","https://openalex.org/W7172597989","https://openalex.org/W7221126623","https://openalex.org/W2924508668","https://openalex.org/W4392835149","https://openalex.org/W2097667354"],"abstract_inverted_index":{"Peasant":[0],"farmers":[1,31],"all":[2],"over":[3],"the":[4,37,71,118,125,129],"nation":[5],"still":[6],"face":[7],"inadequate":[8,54],"information":[9,55],"about":[10],"appropriate":[11],"recommendations":[12,80],"for":[13],"applying":[14],"inorganic":[15,21],"fertilizers,":[16],"This":[17,35,47],"blanket":[18,79],"recommendation":[19],"of":[20,39,78,81,100,128,140,149],"fertilizers":[22],"to":[23,93,144],"crops":[24],"is":[25],"a":[26],"perpetual":[27],"practice":[28],"among":[29],"peasant":[30],"on":[32],"arable":[33],"lands.":[34],"involves":[36],"use":[38],"local":[40,63],"measurements,":[41],"and":[42,114],"this":[43,68],"creates":[44],"nutrient":[45],"imbalance.":[46],"problem":[48],"may":[49],"not":[50],"be":[51,122,134],"unconnected":[52],"with":[53],"from":[56,75,91],"soil":[57],"testing":[58],"programme":[59],"results":[60,72],"either":[61],"at":[62,136],"or":[64],"zonal":[65],"levels.":[66],"However,":[67],"paper":[69],"reviewed":[70],"s":[73],"obtained":[74,135],"four":[76],"levels":[77],"N.":[82],"P.K.":[83],"15":[84,86,88],"-":[85,102],"\u2013":[87],"fertilizer":[89,151],"ranging":[90],"45g":[92],"180g":[94],"per":[95],"1.4":[96],"m\u00b2":[97],"land":[98],"area":[99],"43":[101],"4":[103],"dwarf":[104],"okro":[105,131],"variety.":[106],"The":[107],"experiment":[108],"was":[109],"conducted":[110],"between":[111],"November":[112],"2002":[113],"February":[115],"2003.":[116],"From":[117],"results,":[119],"it":[120],"can":[121,133],"deduced":[123],"that":[124],"optimum":[126],"yield":[127],"47-4":[130],"variety":[132],"an":[137],"application":[138],"rate":[139],"45":[141],"g,":[142],"equivalent":[143],"310":[145],"kg":[146],"ha":[147],"\u00b9":[148],"NPK":[150]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2026-09-13T00:00:00"}
