{"id":"https://openalex.org/W2041756571","doi":"https://doi.org/10.1017/s0014479700011194","title":"Effects of Planting Date and Mulching on Cowpea in Sierra Leone","display_name":"Effects of Planting Date and Mulching on Cowpea in Sierra Leone","publication_year":1981,"publication_date":"1981-01-01","ids":{"openalex":"https://openalex.org/W2041756571","doi":"https://doi.org/10.1017/s0014479700011194","mag":"2041756571"},"language":"en","primary_location":{"id":"doi:10.1017/s0014479700011194","doi":"https://doi.org/10.1017/s0014479700011194","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700011194","pdf_url":null,"source":{"id":"https://openalex.org/S167675576","display_name":"Experimental Agriculture","issn_l":"0014-4797","issn":["0014-4797","1469-4441"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Experimental Agriculture","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"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/A5014904350","display_name":"Cherrnor S. Kamara","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I195729267","display_name":"Njala University","ror":"https://ror.org/02zy6dj62","country_code":"SL","type":"education","lineage":["https://openalex.org/I182377803","https://openalex.org/I195729267"]}],"countries":["SL"],"is_corresponding":true,"raw_author_name":"C. S. Kamara","raw_affiliation_strings":["Njala University College, PMB, Freetown, Sierra Leone"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Njala University College, PMB, Freetown, Sierra Leone","institution_ids":["https://openalex.org/I195729267"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5014904350"],"corresponding_institution_ids":["https://openalex.org/I195729267"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":2.286,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.8362069,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"17","issue":"1","first_page":"25","last_page":"31"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11404","display_name":"Irrigation Practices and Water Management","score":0.5404999852180481,"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/T11404","display_name":"Irrigation Practices and Water Management","score":0.5404999852180481,"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":0.42500001192092896,"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":0.009600000455975533,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cowpea","display_name":"cowpea","score":1.0},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.8899999856948853},{"id":"https://openalex.org/keywords/mulching","display_name":"mulching","score":0.8109999895095825},{"id":"https://openalex.org/keywords/soil-moisture-conservation","display_name":"soil moisture conservation","score":0.9829999804496765},{"id":"https://openalex.org/keywords/seed-yield","display_name":"seed yield","score":0.753000020980835},{"id":"https://openalex.org/keywords/pod-number","display_name":"pod number","score":0.8140000104904175},{"id":"https://openalex.org/keywords/crop-growth","display_name":"crop growth","score":0.765999972820282},{"id":"https://openalex.org/keywords/rainfall","display_name":"rainfall","score":0.47600001096725464},{"id":"https://openalex.org/keywords/sierra-leone","display_name":"Sierra Leone","score":0.699999988079071}],"concepts":[{"id":"https://openalex.org/C175092762","wikidata":"https://www.wikidata.org/wiki/Q549563","display_name":"Mulch","level":2,"score":0.9564188718795776},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.9025388360023499},{"id":"https://openalex.org/C3018567284","wikidata":"https://www.wikidata.org/wiki/Q1044","display_name":"Sierra leone","level":2,"score":0.8055934906005859},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7394461035728455},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6170575022697449},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4106692671775818},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.390411376953125},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.373851478099823},{"id":"https://openalex.org/C47768531","wikidata":"https://www.wikidata.org/wiki/Q1127188","display_name":"Development economics","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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"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":1,"locations":[{"id":"doi:10.1017/s0014479700011194","doi":"https://doi.org/10.1017/s0014479700011194","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700011194","pdf_url":null,"source":{"id":"https://openalex.org/S167675576","display_name":"Experimental Agriculture","issn_l":"0014-4797","issn":["0014-4797","1469-4441"],"is_oa":false,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Experimental Agriculture","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1964538150","https://openalex.org/W1967790730","https://openalex.org/W2002079808","https://openalex.org/W2058783255","https://openalex.org/W2075806266","https://openalex.org/W2078013915","https://openalex.org/W2111863045","https://openalex.org/W2122158060"],"related_works":["https://openalex.org/W2078013915","https://openalex.org/W2807587785","https://openalex.org/W111900445","https://openalex.org/W1807111895","https://openalex.org/W2153138599","https://openalex.org/W2297643695","https://openalex.org/W2990766799","https://openalex.org/W2468273062","https://openalex.org/W7219361480","https://openalex.org/W1912723112"],"abstract_inverted_index":{"SUMMARY":[0],"The":[1,83],"effects":[2,85],"of":[3,5,24,51,64,86,107],"date":[4],"planting":[6,75],"and":[7,13,61,94],"soil":[8,37],"mulching":[9,87],"on":[10,91],"cowpea":[11,65,92],"growth":[12,93],"yield":[14,63,95],"were":[15,69,96],"investigated":[16],"for":[17],"three":[18],"years":[19],"during":[20,54],"the":[21,25,47,100],"middle":[22],"part":[23],"minor":[26],"season":[27],"in":[28,46,67],"Sierra":[29],"Leone.":[30],"Mulching":[31],"at":[32,88],"8":[33,89],"tons/ha":[34,90],"conserved":[35],"more":[36,97],"moisture":[38],"than":[39,72],"other":[40,74],"mulch":[41,78],"rates,":[42],"with":[43],"greatest":[44],"difference":[45],"top":[48],"15":[49],"cm":[50],"soil,":[52],"especially":[53],"drier":[55],"periods.":[56],"Plant":[57],"height,":[58],"pod":[59],"number":[60],"seed":[62],"planted":[66],"September":[68],"significantly":[70],"greater":[71],"from":[73],"dates":[76],"whether":[77],"was":[79],"applied":[80],"or":[81],"not.":[82],"beneficial":[84],"dramatic":[98],"when":[99],"crop":[101],"received":[102],"an":[103],"average":[104],"weekly":[105],"rainfall":[106],"100":[108],"mm":[109],"before":[110],"50%":[111],"flowering.":[112]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}