{"id":"https://openalex.org/W2804037357","doi":"https://doi.org/10.1080/01904167.2018.1458870","title":"Effect of nitrogen sources on the yield of common bean ( Phaseolus vulgaris ) in western Kenya","display_name":"Effect of nitrogen sources on the yield of common bean ( Phaseolus vulgaris ) in western Kenya","publication_year":2018,"publication_date":"2018-05-15","ids":{"openalex":"https://openalex.org/W2804037357","doi":"https://doi.org/10.1080/01904167.2018.1458870","mag":"2804037357"},"language":"en","primary_location":{"id":"doi:10.1080/01904167.2018.1458870","doi":"https://doi.org/10.1080/01904167.2018.1458870","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01904167.2018.1458870","pdf_url":null,"source":{"id":"https://openalex.org/S53118794","display_name":"Journal of Plant Nutrition","issn_l":"0190-4167","issn":["0190-4167","1532-4087"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Plant Nutrition","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/A5080792715","display_name":"Fanuel Kawaka","orcid":"https://orcid.org/0000-0002-3922-551X","observed_orcids":["https://orcid.org/0000-0002-3922-551X","https://orcid.org/0009-0004-5517-0864"]},"institutions":[{"id":"https://openalex.org/I195610458","display_name":"Maseno University","ror":"https://ror.org/023pskh72","country_code":"KE","type":"education","lineage":["https://openalex.org/I195610458"]},{"id":"https://openalex.org/I294845491","display_name":"Technical University of Mombasa","ror":"https://ror.org/01grm2d66","country_code":"KE","type":"education","lineage":["https://openalex.org/I294845491"]}],"countries":["KE"],"is_corresponding":true,"raw_author_name":"Fanuel Kawaka","raw_affiliation_strings":[",","Department of Applied Plant Sciences, Maseno University, Maseno, Kenya","Department of Pure and Applied Sciences, Technical University of Mombasa, Mombasa, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Applied Plant Sciences, Maseno University, Maseno, Kenya","institution_ids":["https://openalex.org/I195610458"]},{"raw_affiliation_string":"Department of Pure and Applied Sciences, Technical University of Mombasa, Mombasa, Kenya","institution_ids":["https://openalex.org/I294845491"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5014017558","display_name":"Mathews Mito Dida","orcid":"https://orcid.org/0000-0001-9998-1352","observed_orcids":["https://orcid.org/0000-0001-9998-1352"]},"institutions":[{"id":"https://openalex.org/I195610458","display_name":"Maseno University","ror":"https://ror.org/023pskh72","country_code":"KE","type":"education","lineage":["https://openalex.org/I195610458"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"Mathews Dida","raw_affiliation_strings":[",","Department of Applied Plant Sciences, Maseno University, Maseno, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Applied Plant Sciences, Maseno University, Maseno, Kenya","institution_ids":["https://openalex.org/I195610458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007146580","display_name":"P. A. Opala","orcid":"https://orcid.org/0000-0002-9316-8704","observed_orcids":["https://orcid.org/0000-0002-9316-8704"]},"institutions":[{"id":"https://openalex.org/I195610458","display_name":"Maseno University","ror":"https://ror.org/023pskh72","country_code":"KE","type":"education","lineage":["https://openalex.org/I195610458"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"Peter Opala","raw_affiliation_strings":[",","Department of Soil Science, Maseno University, Maseno, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Soil Science, Maseno University, Maseno, Kenya","institution_ids":["https://openalex.org/I195610458"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5072389713","display_name":"Omwoyo Ombori","orcid":"https://orcid.org/0000-0001-5353-467X","observed_orcids":["https://orcid.org/0000-0001-5353-467X"]},"institutions":[{"id":"https://openalex.org/I153975220","display_name":"Kenyatta University","ror":"https://ror.org/05p2z3x69","country_code":"KE","type":"education","lineage":["https://openalex.org/I153975220"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"Omwoyo Ombori","raw_affiliation_strings":[",","Department of Plant Sciences, Kenyatta University, Nairobi, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Plant Sciences, Kenyatta University, Nairobi, Kenya","institution_ids":["https://openalex.org/I153975220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036305473","display_name":"John Muthini Maingi","orcid":"https://orcid.org/0000-0002-9314-5115","observed_orcids":["https://orcid.org/0000-0002-9314-5115"]},"institutions":[{"id":"https://openalex.org/I153975220","display_name":"Kenyatta University","ror":"https://ror.org/05p2z3x69","country_code":"KE","type":"education","lineage":["https://openalex.org/I153975220"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"John Maingi","raw_affiliation_strings":[",","Department of Microbiology, Kenyatta University, Nairobi, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Microbiology, Kenyatta University, Nairobi, Kenya","institution_ids":["https://openalex.org/I153975220"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051612424","display_name":"Alice Amoding","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I72227227","display_name":"Makerere University","ror":"https://ror.org/03dmz0111","country_code":"UG","type":"education","lineage":["https://openalex.org/I72227227"]}],"countries":["UG"],"is_corresponding":false,"raw_author_name":"Alice Amoding","raw_affiliation_strings":[",","Department of Soil Science, Makerere University, Kampala, Uganda"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Soil Science, Makerere University, Kampala, Uganda","institution_ids":["https://openalex.org/I72227227"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009703050","display_name":"John Vincent Omondi Muoma","orcid":"https://orcid.org/0000-0002-4525-3840","observed_orcids":["https://orcid.org/0000-0002-4525-3840"]},"institutions":[{"id":"https://openalex.org/I88132101","display_name":"Masinde Muliro University of Science and Technology","ror":"https://ror.org/02tpk0p14","country_code":"KE","type":"education","lineage":["https://openalex.org/I88132101"]}],"countries":["KE"],"is_corresponding":false,"raw_author_name":"John Muoma","raw_affiliation_strings":[",","Department of Biological Sciences, Masinde Muliro University of Science and Technology, Kakamega, Kenya"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":",","institution_ids":[]},{"raw_affiliation_string":"Department of Biological Sciences, Masinde Muliro University of Science and Technology, Kakamega, Kenya","institution_ids":["https://openalex.org/I88132101"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5080792715"],"corresponding_institution_ids":["https://openalex.org/I195610458","https://openalex.org/I294845491"],"apc_list":null,"apc_paid":null,"fwci":1.0673,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.78636512,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"41","issue":"13","first_page":"1652","last_page":"1661"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9878000020980835,"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":0.9878000020980835,"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":0.007600000128149986,"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/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.0010999999940395355,"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/common-bean","display_name":"Phaseolus vulgaris","score":1.0},{"id":"https://openalex.org/keywords/nitrogen-source","display_name":"nitrogen source","score":0.9559999704360962},{"id":"https://openalex.org/keywords/water-hyacinth-compost","display_name":"water hyacinth compost","score":0.9940000176429749},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.9399999976158142},{"id":"https://openalex.org/keywords/rhizobial-inoculants","display_name":"rhizobial inoculants","score":0.9449999928474426},{"id":"https://openalex.org/keywords/bean-yield","display_name":"bean yield","score":0.6470000147819519},{"id":"https://openalex.org/keywords/continuous-cropping","display_name":"continuous cropping","score":0.5450000166893005},{"id":"https://openalex.org/keywords/soil-nutrient-depletion","display_name":"soil nutrient depletion","score":0.8389999866485596},{"id":"https://openalex.org/keywords/smallholder-farmers","display_name":"smallholder farmers","score":0.7400000095367432},{"id":"https://openalex.org/keywords/phosphorus","display_name":"phosphorus","score":0.5410000085830688},{"id":"https://openalex.org/keywords/soil-properties","display_name":"soil properties","score":0.5649999976158142},{"id":"https://openalex.org/keywords/western-kenya","display_name":"Western Kenya","score":0.6549999713897705}],"concepts":[{"id":"https://openalex.org/C2777465193","wikidata":"https://www.wikidata.org/wiki/Q9164450","display_name":"Rhizobia","level":4,"score":0.7922708988189697},{"id":"https://openalex.org/C2776286235","wikidata":"https://www.wikidata.org/wiki/Q310438","display_name":"Phaseolus","level":2,"score":0.777454137802124},{"id":"https://openalex.org/C2780739461","wikidata":"https://www.wikidata.org/wiki/Q212254","display_name":"Compost","level":2,"score":0.7677068710327148},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7088868618011475},{"id":"https://openalex.org/C121677567","wikidata":"https://www.wikidata.org/wiki/Q73425","display_name":"Microbial inoculant","level":3,"score":0.6690099239349365},{"id":"https://openalex.org/C2780157541","wikidata":"https://www.wikidata.org/wiki/Q158758","display_name":"Hyacinth","level":2,"score":0.6603685617446899},{"id":"https://openalex.org/C144938864","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Randomized block design","level":2,"score":0.5294812917709351},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.51641446352005},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.49868345260620117},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.45781296491622925},{"id":"https://openalex.org/C181440489","wikidata":"https://www.wikidata.org/wiki/Q272467","display_name":"Nitrogen fixation","level":3,"score":0.3572819232940674},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.2866140305995941},{"id":"https://openalex.org/C180032290","wikidata":"https://www.wikidata.org/wiki/Q1664296","display_name":"Inoculation","level":2,"score":0.28442442417144775},{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/01904167.2018.1458870","doi":"https://doi.org/10.1080/01904167.2018.1458870","is_oa":false,"landing_page_url":"https://doi.org/10.1080/01904167.2018.1458870","pdf_url":null,"source":{"id":"https://openalex.org/S53118794","display_name":"Journal of Plant Nutrition","issn_l":"0190-4167","issn":["0190-4167","1532-4087"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Plant Nutrition","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","score":1.0,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W126589689","https://openalex.org/W960672224","https://openalex.org/W1242403437","https://openalex.org/W1858265598","https://openalex.org/W1934539852","https://openalex.org/W1964295696","https://openalex.org/W1966143746","https://openalex.org/W1974546217","https://openalex.org/W1988563190","https://openalex.org/W2001885459","https://openalex.org/W2017761327","https://openalex.org/W2025459259","https://openalex.org/W2027419692","https://openalex.org/W2034717814","https://openalex.org/W2046048028","https://openalex.org/W2056686941","https://openalex.org/W2058696733","https://openalex.org/W2060861388","https://openalex.org/W2082462156","https://openalex.org/W2090960634","https://openalex.org/W2108056264","https://openalex.org/W2108758435","https://openalex.org/W2110146120","https://openalex.org/W2127953708","https://openalex.org/W2132399040","https://openalex.org/W2132441788","https://openalex.org/W2134301617","https://openalex.org/W2134384717","https://openalex.org/W2159351878","https://openalex.org/W2163194881","https://openalex.org/W2164252576","https://openalex.org/W2166186292","https://openalex.org/W2171576280","https://openalex.org/W2184436778","https://openalex.org/W2292741602","https://openalex.org/W2340892794","https://openalex.org/W2592561536","https://openalex.org/W2789725586","https://openalex.org/W3111231408","https://openalex.org/W4240986008","https://openalex.org/W4251850250","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W6986891915","https://openalex.org/W2906075079","https://openalex.org/W2886012629","https://openalex.org/W7116906757","https://openalex.org/W2732204154","https://openalex.org/W1971325843","https://openalex.org/W4282023417","https://openalex.org/W2991955129","https://openalex.org/W2620324207","https://openalex.org/W7093318723"],"abstract_inverted_index":{"Depletion":[0],"of":[1,14,32,49,121,188,191,196],"soil":[2,97,183],"nutrients":[3],"due":[4],"to":[5,28,86,93,226],"continuous":[6,189],"cultivation":[7,190],"without":[8],"adequate":[9,99],"external":[10],"fertilization":[11],"is":[12],"one":[13],"the":[15,30,47,59,96,131,137,172,212],"challenges":[16],"facing":[17],"many":[18],"smallholder":[19,237],"farmers":[20],"in":[21,58,72,130,146,169,171,211],"western":[22],"Kenya.":[23],"This":[24],"study":[25],"was":[26,84,144,178],"conducted":[27],"assess":[29],"effects":[31],"organic":[33,197],"(water":[34],"hyacinth":[35,148,206],"compost),":[36],"inorganic":[37,199,233],"(urea)":[38],"nitrogen":[39],"(N)":[40],"sources,":[41],"and":[42,63,78,103,111,125,153,174,194,198,219],"commercial":[43,114],"Rhizobia":[44,115,163],"inoculant":[45,116,164],"on":[46,182],"yield":[48,120,143,170,210],"common":[50,192],"bean":[51,106,142,193,209],"(Phaseolus":[52],"vulgaris)":[53],"for":[54,224,232],"two":[55,186],"consecutive":[56],"seasons":[57,187],"short":[60,132],"rains":[61,65,133,139],"(2013)":[62],"long":[64,138],"(2014).":[66],"The":[67],"experiments":[68],"were":[69],"laid":[70],"out":[71],"a":[73,230],"randomized":[74],"complete":[75],"block":[76],"design":[77],"replicated":[79],"four":[80],"times.":[81],"Triple":[82],"superphosphate":[83],"applied":[85],"all":[87],"treatments":[88],"except":[89],"those":[90],"with":[91,109,113,155],"compost":[92,149,207],"ensure":[94],"that":[95,204],"had":[98],"phosphorus":[100],"(P).":[101],"Yellow":[102],"Rose":[104],"coco":[105],"varieties":[107],"grown":[108],"urea":[110],"inoculated":[112],"gave":[117],"significantly":[118,167],"higher":[119],"382":[122],"kg":[123,127,151,159],"ha\u22121":[124],"341":[126],"ha\u22121,":[128],"respectively":[129],"(SR)":[134],"season.":[135,214],"In":[136],"(LR)":[140],"season":[141],"high":[145],"water":[147,205],"(1526":[150],"ha\u22121)":[152,160],"control":[154],"non-limiting":[156],"P":[157],"(1300":[158],"treatments.":[161],"Commercial":[162],"did":[165],"not":[166],"increase":[168],"SR":[173],"LR":[175,213],"seasons.":[176],"There":[177],"no":[179],"significant":[180],"influence":[181],"properties":[184],"after":[185],"application":[195],"fertilizers.":[200],"These":[201],"results":[202],"demonstrate":[203],"improved":[208],"However,":[215],"longer":[216],"field":[217],"testing":[218],"economic":[220],"analysis":[221],"are":[222],"required":[223],"it":[225],"be":[227],"recommended":[228],"as":[229],"substitute":[231],"N":[234],"source":[235],"among":[236],"farmers.":[238]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2026-09-24T07:57:37.273135","created_date":"2018-06-01T00:00:00"}
