{"id":"https://openalex.org/W3081512410","doi":"https://doi.org/10.1002/agj2.20419","title":"Intensification options of small holders\u2019 cassava production in South\u2010west Nigeria","display_name":"Intensification options of small holders\u2019 cassava production in South\u2010west Nigeria","publication_year":2020,"publication_date":"2020-08-21","ids":{"openalex":"https://openalex.org/W3081512410","doi":"https://doi.org/10.1002/agj2.20419","mag":"3081512410"},"language":"en","primary_location":{"id":"doi:10.1002/agj2.20419","doi":"https://doi.org/10.1002/agj2.20419","is_oa":true,"landing_page_url":"https://doi.org/10.1002/agj2.20419","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/agj2.20419","source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/agj2.20419","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5059302452","display_name":"Christine Kreye","orcid":"https://orcid.org/0000-0001-6090-2856","observed_orcids":["https://orcid.org/0000-0001-6090-2856"]},"institutions":[{"id":"https://openalex.org/I4210122440","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/02smred28","country_code":"NG","type":"nonprofit","lineage":["https://openalex.org/I4210122440"]},{"id":"https://openalex.org/I64180646","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/00va88c89","country_code":"NG","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I64180646"]}],"countries":["NG"],"is_corresponding":true,"raw_author_name":"Christine Kreye","raw_affiliation_strings":["International Institute of Tropical Agriculture (IITA), Headquarters & West Africa Hub, PMB 5320, Oyo Road, Ibadan, Oyo State, 200001 Nigeria"],"raw_orcid":"https://orcid.org/0000-0001-6090-2856","affiliations":[{"raw_affiliation_string":"International Institute of Tropical Agriculture (IITA), Headquarters & West Africa Hub, PMB 5320, Oyo Road, Ibadan, Oyo State, 200001 Nigeria","institution_ids":["https://openalex.org/I4210122440","https://openalex.org/I64180646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006716170","display_name":"Stefan Hauser","orcid":"https://orcid.org/0000-0002-6329-7783","observed_orcids":["https://orcid.org/0000-0002-6329-7783"]},"institutions":[{"id":"https://openalex.org/I4210122440","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/02smred28","country_code":"NG","type":"nonprofit","lineage":["https://openalex.org/I4210122440"]},{"id":"https://openalex.org/I64180646","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/00va88c89","country_code":"NG","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I64180646"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"Stefan Hauser","raw_affiliation_strings":["International Institute of Tropical Agriculture (IITA), Headquarters & West Africa Hub, PMB 5320, Oyo Road, Ibadan, Oyo State, 200001 Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Institute of Tropical Agriculture (IITA), Headquarters & West Africa Hub, PMB 5320, Oyo Road, Ibadan, Oyo State, 200001 Nigeria","institution_ids":["https://openalex.org/I4210122440","https://openalex.org/I64180646"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033674931","display_name":"Pieter Pypers","orcid":"https://orcid.org/0000-0001-8913-0589","observed_orcids":["https://orcid.org/0000-0001-8913-0589"]},"institutions":[{"id":"https://openalex.org/I168685008","display_name":"International Centre of Insect Physiology and Ecology","ror":"https://ror.org/03qegss47","country_code":"KE","type":"facility","lineage":["https://openalex.org/I168685008"]},{"id":"https://openalex.org/I4210111914","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/01a0ymj74","country_code":"KE","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I4210111914"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"Pieter Pypers","raw_affiliation_strings":["International Institute of Tropical Agriculture (IITA), Central Africa Hub, IITA-ICIPE office, PO Box 30772, Nairobi, 00100 Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Institute of Tropical Agriculture (IITA), Central Africa Hub, IITA-ICIPE office, PO Box 30772, Nairobi, 00100 Kenya","institution_ids":["https://openalex.org/I168685008","https://openalex.org/I4210111914"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5032815056","display_name":"Bernard Vanlauwe","orcid":"https://orcid.org/0000-0001-6016-6027","observed_orcids":["https://orcid.org/0000-0001-6016-6027"]},"institutions":[{"id":"https://openalex.org/I168685008","display_name":"International Centre of Insect Physiology and Ecology","ror":"https://ror.org/03qegss47","country_code":"KE","type":"facility","lineage":["https://openalex.org/I168685008"]},{"id":"https://openalex.org/I4210111914","display_name":"International Institute of Tropical Agriculture","ror":"https://ror.org/01a0ymj74","country_code":"KE","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I4210111914"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"Bernard Vanlauwe","raw_affiliation_strings":["International Institute of Tropical Agriculture (IITA), Central Africa Hub, IITA-ICIPE office, PO Box 30772, Nairobi, 00100 Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"International Institute of Tropical Agriculture (IITA), Central Africa Hub, IITA-ICIPE office, PO Box 30772, Nairobi, 00100 Kenya","institution_ids":["https://openalex.org/I168685008","https://openalex.org/I4210111914"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5059302452"],"corresponding_institution_ids":["https://openalex.org/I4210122440","https://openalex.org/I64180646"],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":{"value":1800,"currency":"USD","value_usd":1800},"fwci":0.3162,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.54908883,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"112","issue":"6","first_page":"5312","last_page":"5324"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12305","display_name":"Cassava research and cyanide","score":0.7968999743461609,"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"}},"topics":[{"id":"https://openalex.org/T12305","display_name":"Cassava research and cyanide","score":0.7968999743461609,"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/T12294","display_name":"Agricultural Science and Fertilization","score":0.12399999797344208,"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/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.048900000751018524,"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/cassava","display_name":"cassava","score":0.9639999866485596},{"id":"https://openalex.org/keywords/smallholder-farming","display_name":"smallholder farming","score":0.8069999814033508},{"id":"https://openalex.org/keywords/intensification","display_name":"intensification","score":0.6990000009536743},{"id":"https://openalex.org/keywords/fertilizer-use","display_name":"fertilizer use","score":0.8769999742507935},{"id":"https://openalex.org/keywords/cassava-root-yield","display_name":"cassava root yield","score":0.859000027179718},{"id":"https://openalex.org/keywords/on-farm-trials","display_name":"on-farm trials","score":0.8820000290870667},{"id":"https://openalex.org/keywords/food-security","display_name":"food security","score":0.6439999938011169},{"id":"https://openalex.org/keywords/southwestern-nigeria","display_name":"Southwest Nigeria","score":0.7599999904632568}],"concepts":[{"id":"https://openalex.org/C2779862049","wikidata":"https://www.wikidata.org/wiki/Q132634","display_name":"Vigna","level":2,"score":0.7833455801010132},{"id":"https://openalex.org/C3018601027","wikidata":"https://www.wikidata.org/wiki/Q83124","display_name":"Manihot esculenta","level":2,"score":0.7483898401260376},{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.6791491508483887},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6343395709991455},{"id":"https://openalex.org/C2781445593","wikidata":"https://www.wikidata.org/wiki/Q149056","display_name":"Manihot","level":2,"score":0.590177059173584},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.5813221335411072},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.5601297616958618},{"id":"https://openalex.org/C2776632002","wikidata":"https://www.wikidata.org/wiki/Q145909","display_name":"Legume","level":2,"score":0.5437877774238586},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5422142744064331},{"id":"https://openalex.org/C137776501","wikidata":"https://www.wikidata.org/wiki/Q7208270","display_name":"Point of delivery","level":2,"score":0.5108785033226013},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4688825309276581},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.37056389451026917},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.07556340098381042},{"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/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1002/agj2.20419","doi":"https://doi.org/10.1002/agj2.20419","is_oa":true,"landing_page_url":"https://doi.org/10.1002/agj2.20419","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/agj2.20419","source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},{"id":"pmh:oai:cgspace.cgiar.org:10568/111198","doi":null,"is_oa":true,"landing_page_url":"https://hdl.handle.net/10568/111198","pdf_url":null,"source":{"id":"https://openalex.org/S4306402055","display_name":"CGSPace A Repository of Agricultural Research Outputs (Consultative Group for International Agricultural Research)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1286583668","host_organization_name":"CGIAR","host_organization_lineage":["https://openalex.org/I1286583668"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Kreye, C., Hauser, S., Pypers, P. & Vanlauwe, B. (2020). Intensification options of small holders\u2019 cassava production in South\u2010west Nigeria. Agronomy Journal, 1-13.","raw_type":"Journal Article"},{"id":"doi:10.60692/8k895-n8b60","doi":"https://doi.org/10.60692/8k895-n8b60","is_oa":true,"landing_page_url":"https://doi.org/10.60692/8k895-n8b60","pdf_url":null,"source":{"id":"https://openalex.org/S7407051682","display_name":"Greater South Information System","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"},{"id":"doi:10.60692/nr57g-8cz37","doi":"https://doi.org/10.60692/nr57g-8cz37","is_oa":true,"landing_page_url":"https://doi.org/10.60692/nr57g-8cz37","pdf_url":null,"source":{"id":"https://openalex.org/S7407051682","display_name":"Greater South Information System","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":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article-journal"}],"best_oa_location":{"id":"doi:10.1002/agj2.20419","doi":"https://doi.org/10.1002/agj2.20419","is_oa":true,"landing_page_url":"https://doi.org/10.1002/agj2.20419","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/agj2.20419","source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Agronomy Journal","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"},{"score":0.666700005531311,"id":"https://metadata.un.org/sdg/1","display_name":"No poverty"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320319949","display_name":"International Development Research Centre","ror":"https://ror.org/0445x0472"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3081512410.pdf","grobid_xml":"https://content.openalex.org/works/W3081512410.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W1951724000","https://openalex.org/W1979281632","https://openalex.org/W1980513377","https://openalex.org/W2081611270","https://openalex.org/W2123998733","https://openalex.org/W2157319574","https://openalex.org/W2165290206","https://openalex.org/W2168921100","https://openalex.org/W2188917507","https://openalex.org/W2242466968","https://openalex.org/W2254509181","https://openalex.org/W2261645655","https://openalex.org/W2290540786","https://openalex.org/W2582743722","https://openalex.org/W2612510101","https://openalex.org/W2614464134","https://openalex.org/W2757324392","https://openalex.org/W2762915730","https://openalex.org/W2774486220","https://openalex.org/W2804233742","https://openalex.org/W2973054380","https://openalex.org/W4230096730","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W3196737102","https://openalex.org/W1979281632","https://openalex.org/W3117791333","https://openalex.org/W7220241192","https://openalex.org/W2144471760","https://openalex.org/W7160407544","https://openalex.org/W4391055049","https://openalex.org/W7198127452","https://openalex.org/W2170851497","https://openalex.org/W1980513377"],"abstract_inverted_index":{"Abstract":[0],"Cassava":[1,115],"(Manihot":[2],"esculenta":[3],"Crantz)":[4],"is":[5,26],"a":[6,82],"staple":[7],"food":[8,30],"crop":[9],"in":[10,37,74,151],"Nigeria,":[11],"but":[12],"root":[13,165],"yields":[14,93,139,150,166,176],"hardly":[15],"exceed":[16],"10":[17,157],"t":[18,103,145,158,171,179],"ha\u22121.":[19,104,159],"Intensification":[20],"of":[21,72,84,94,110,177],"small":[22],"holders\u2019":[23],"cassava":[24,48,60,92,113,128,164],"production":[25],"key":[27],"to":[28,192],"improved":[29],"security":[31],"and":[32,41,52,57,59,99,125,143,195],"income":[33],"generation.":[34],"We":[35],"tested,":[36],"two":[38],"demonstration":[39,75,88],"trials":[40,89,154],"20":[42,96],"on\u2010farm":[43,78,153],"trials,":[44,79],"different":[45],"intensification":[46,189],"options:":[47],"growth":[49],"type":[50],"(erect":[51],"branching),":[53],"fertilizer":[54],"application":[55,106],"(with":[56],"without),":[58],"\u2212":[61],"legume":[62],"arrangement":[63],"(0.5":[64],"by":[65,68,169],"2":[66],"m/1":[67],"1":[69,142],"m":[70],"spacing":[71],"cassava)":[73],"trials.":[76],"In":[77,183],"farmers":[80],"tested":[81],"subset":[83],"these":[85],"treatments.":[86],"The":[87],"had":[90],"median":[91],"about":[95,141,156],"(Akindele":[97],"village)":[98,102],"15":[100],"(Osunwoyin":[101],"Fertilizer":[105],"increased":[107],"the":[108,111,126,134,152],"yield":[109,124,132],"erect":[112,135],"variety.":[114,136],"intercropped":[116],"with":[117,161],"cowpea":[118,138,162,174],"[Vigna":[119],"unguiculata":[120],"(L.)":[121],"Walp.],":[122],"reduced":[123,163],"branching":[127],"variety":[129],"produced":[130],"lower":[131],"than":[133],"Median":[137,149],"were":[140,155,181],"1.5":[144],"ha\u22121":[146,180],"pod":[147,175],"yield.":[148],"Intercropping":[160],"(on":[167],"average":[168],"2.4":[170],"ha\u22121),":[172],"again,":[173],"1\u22121.5":[178],"attainable.":[182],"summary,":[184],"this":[185],"study":[186],"confirmed":[187],"that":[188],"measures":[190],"need":[191],"be":[193],"site":[194],"user":[196],"or":[197],"farmer":[198],"specific.":[199]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2020-09-01T00:00:00"}