{"id":"https://openalex.org/W2097972980","doi":"https://doi.org/10.1017/s0014479700006761","title":"Effects of Sowing Date on Growth, Development and Yield of Photosensitive Sorghum at Samaru, Northern Nigeria","display_name":"Effects of Sowing Date on Growth, Development and Yield of Photosensitive Sorghum at Samaru, Northern Nigeria","publication_year":1975,"publication_date":"1975-07-01","ids":{"openalex":"https://openalex.org/W2097972980","doi":"https://doi.org/10.1017/s0014479700006761","mag":"2097972980"},"language":"en","primary_location":{"id":"doi:10.1017/s0014479700006761","doi":"https://doi.org/10.1017/s0014479700006761","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700006761","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/A5001437238","display_name":"A. H. Kassam","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405266761","display_name":"Institute for Agricultural Research","ror":"https://ror.org/05chnt267","country_code":"NG","type":"facility","lineage":["https://openalex.org/I4405266761"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"A. H. Kassam","raw_affiliation_strings":["Institute for Agricultural Research, P.M.B.1044, Zaria, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Agricultural Research, P.M.B.1044, Zaria, Nigeria","institution_ids":["https://openalex.org/I4405266761"]}]},{"author_position":"last","author":{"id":null,"display_name":"D. J. Andrews","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405266761","display_name":"Institute for Agricultural Research","ror":"https://ror.org/05chnt267","country_code":"NG","type":"facility","lineage":["https://openalex.org/I4405266761"]}],"countries":["NG"],"is_corresponding":false,"raw_author_name":"D. J. Andrews","raw_affiliation_strings":["Institute for Agricultural Research, P.M.B.1044, Zaria, Nigeria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute for Agricultural Research, P.M.B.1044, Zaria, Nigeria","institution_ids":["https://openalex.org/I4405266761"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4405266761"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":2.2983,"has_fulltext":false,"cited_by_count":41,"citation_normalized_percentile":{"value":0.82098171,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"11","issue":"3","first_page":"227","last_page":"240"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.54830002784729,"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"}},"topics":[{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.54830002784729,"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"}},{"id":"https://openalex.org/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.34060001373291016,"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"}},{"id":"https://openalex.org/T11229","display_name":"Genetics and Plant Breeding","score":0.04019999876618385,"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/sowing-date","display_name":"sowing date","score":0.8840000033378601},{"id":"https://openalex.org/keywords/sorghum","display_name":"sorghum","score":0.8709999918937683},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.9100000262260437},{"id":"https://openalex.org/keywords/dry-matter-accumulation","display_name":"dry matter accumulation","score":0.7889999747276306},{"id":"https://openalex.org/keywords/growth-cycle","display_name":"growth cycle","score":0.7699999809265137},{"id":"https://openalex.org/keywords/photoperiod","display_name":"photoperiod","score":0.9810000061988831},{"id":"https://openalex.org/keywords/vegetative-phase","display_name":"vegetative phase","score":0.8159999847412109},{"id":"https://openalex.org/keywords/grain-filling","display_name":"grain filling","score":0.7289999723434448},{"id":"https://openalex.org/keywords/samaru","display_name":"Samaru","score":0.7870000004768372}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.9170256853103638},{"id":"https://openalex.org/C2778157034","wikidata":"https://www.wikidata.org/wiki/Q12111","display_name":"Sorghum","level":2,"score":0.8922553062438965},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5780848860740662},{"id":"https://openalex.org/C55969652","wikidata":"https://www.wikidata.org/wiki/Q259028","display_name":"photoperiodism","level":2,"score":0.5505601763725281},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.5474810600280762},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5025672912597656},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.41513964533805847},{"id":"https://openalex.org/C2994122767","wikidata":"https://www.wikidata.org/wiki/Q332062","display_name":"Sorghum bicolor","level":3,"score":0.41192567348480225},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3496704697608948},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","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":1,"locations":[{"id":"doi:10.1017/s0014479700006761","doi":"https://doi.org/10.1017/s0014479700006761","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700006761","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":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1969085998","https://openalex.org/W1985976912","https://openalex.org/W1998411995","https://openalex.org/W2041673666","https://openalex.org/W2081711240","https://openalex.org/W2094853398"],"related_works":["https://openalex.org/W195113152","https://openalex.org/W2081711240","https://openalex.org/W1891354686","https://openalex.org/W2263662388","https://openalex.org/W4414652868","https://openalex.org/W3007082140","https://openalex.org/W4376503662","https://openalex.org/W2151140354","https://openalex.org/W2188654249","https://openalex.org/W2038729368"],"abstract_inverted_index":{"SUMMARY":[0],"Performance":[1],"of":[2,58,120],"Short":[3],"Kaura,":[4],"a":[5,20,133],"photosensitive":[6],"Nigerian":[7],"sorghum,":[8],"was":[9],"compared":[10],"at":[11,32,55],"Samaru":[12],"in":[13,16,50,71,92,101,112],"ten":[14],"sowings":[15,30],"1972.":[17],"Except":[18],"for":[19],"two-week":[21],"interval":[22],"between":[23],"the":[24,56,77,93,102,113,118],"fifth":[25],"and":[26,44,62,106],"sixth":[27],"sowings,":[28],"all":[29],"were":[31],"weekly":[33],"intervals":[34],"from":[35],"12":[36,74],"May":[37,54,75],"to":[38,83,88,97,108,124],"21":[39],"July.":[40],"Total":[41],"dry":[42],"weight":[43],"grain":[45,114],"yield":[46],"decreased":[47],"with":[48,86],"delay":[49,70],"sowing":[51,72,129],"after":[52,73],"26":[53],"rate":[57],"1700":[59],"kg.ha.\u22121":[60],"week\u22121":[61,66],"360":[63],"kg.":[64],"ha.\u22121":[65],"respectively.":[67],"Each":[68],"week's":[69],"shortened":[76],"total":[78],"growth":[79],"cycle":[80],"by":[81,127],"5\u00b79":[82],"6\u00b70":[84],"days,":[85],"77":[87],"78":[89],"per":[90,99,110],"cent":[91,100,111],"vegetative":[94],"phase,":[95],"7":[96],"8":[98],"head":[103,121],"development":[104],"phase":[105],"14":[107],"16":[109],"filling":[115],"phase.":[116],"Although":[117],"date":[119,130],"initiation":[122],"seemed":[123],"be":[125],"determined":[126],"photoperiod,":[128],"also":[131],"had":[132],"small":[134],"but":[135],"definite":[136],"effect.":[137]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}