{"id":"https://openalex.org/W2167255263","doi":"https://doi.org/10.1017/s0014479700009285","title":"Effects of N Fertilizers on Sugarcane in the Sudan","display_name":"Effects of N Fertilizers on Sugarcane in the Sudan","publication_year":1979,"publication_date":"1979-01-01","ids":{"openalex":"https://openalex.org/W2167255263","doi":"https://doi.org/10.1017/s0014479700009285","mag":"2167255263"},"language":"en","primary_location":{"id":"doi:10.1017/s0014479700009285","doi":"https://doi.org/10.1017/s0014479700009285","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700009285","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/A5025721906","display_name":"Hassan Suliman Ibrahim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210156828","display_name":"Agricultural Research Corporation","ror":"https://ror.org/0590dv991","country_code":"SD","type":"nonprofit","lineage":["https://openalex.org/I4210156828"]}],"countries":["SD"],"is_corresponding":true,"raw_author_name":"Hassan Suliman Ibrahim","raw_affiliation_strings":["Guneid Research Substation, Agricultural Research Corporation, Sudan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guneid Research Substation, Agricultural Research Corporation, Sudan","institution_ids":["https://openalex.org/I4210156828"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5025721906"],"corresponding_institution_ids":["https://openalex.org/I4210156828"],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"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":"15","issue":"1","first_page":"107","last_page":"111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12431","display_name":"Sugarcane Cultivation and Processing","score":0.9829000234603882,"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/T12431","display_name":"Sugarcane Cultivation and Processing","score":0.9829000234603882,"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":0.012900000438094139,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.002199999988079071,"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/sugarcane","display_name":"sugarcane","score":0.8610000014305115},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9810000061988831},{"id":"https://openalex.org/keywords/split-nitrogen-application","display_name":"split nitrogen application","score":0.8500000238418579},{"id":"https://openalex.org/keywords/sugarcane-yield","display_name":"cane yield","score":0.9210000038146973},{"id":"https://openalex.org/keywords/sugar-yield","display_name":"sugar yield","score":0.996999979019165},{"id":"https://openalex.org/keywords/sucrose-recovery","display_name":"sucrose recovery","score":0.9710000157356262},{"id":"https://openalex.org/keywords/economic-yield","display_name":"economic yield","score":0.3869999945163727},{"id":"https://openalex.org/keywords/sudan","display_name":"Sudan","score":0.6790000200271606}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.8827605247497559},{"id":"https://openalex.org/C2776821462","wikidata":"https://www.wikidata.org/wiki/Q406090","display_name":"Cane","level":3,"score":0.7970688343048096},{"id":"https://openalex.org/C2778597767","wikidata":"https://www.wikidata.org/wiki/Q4027534","display_name":"Sucrose","level":2,"score":0.7466742396354675},{"id":"https://openalex.org/C2777108408","wikidata":"https://www.wikidata.org/wiki/Q11002","display_name":"Sugar","level":2,"score":0.6612633466720581},{"id":"https://openalex.org/C2986157811","wikidata":"https://www.wikidata.org/wiki/Q36940","display_name":"Sugar cane","level":2,"score":0.6531519889831543},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5785593390464783},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5479011535644531},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.4258887767791748},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.3698890507221222},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.331228107213974},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.29863137006759644},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.08226883411407471},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1017/s0014479700009285","doi":"https://doi.org/10.1017/s0014479700009285","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0014479700009285","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":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1577901637","https://openalex.org/W2039555640","https://openalex.org/W2059183879","https://openalex.org/W2083187827","https://openalex.org/W4295013361"],"related_works":["https://openalex.org/W2291221002","https://openalex.org/W2239136849","https://openalex.org/W2048100740","https://openalex.org/W2361120486","https://openalex.org/W7095392861","https://openalex.org/W2047388720","https://openalex.org/W3195780466","https://openalex.org/W4296380220","https://openalex.org/W2923626188","https://openalex.org/W2360718988"],"abstract_inverted_index":{"SUMMARY":[0],"Three":[1],"field":[2],"experiments":[3],"were":[4],"conducted":[5],"at":[6,24],"Guneid,":[7],"Sudan,":[8],"in":[9,17,21],"which":[10],"N":[11],"was":[12,77],"applied":[13],"to":[14],"sugarcane":[15],"(A)":[16],"one":[18],"dose,":[19],"(B)":[20],"split":[22],"doses":[23],"2":[25,73],"and":[26,29,48,63],"4":[27,35],"months,":[28],"(C)":[30],"as":[31],"a":[32],"single":[33],"dose":[34],"months":[36,74],"from":[37],"planting.":[38],"Nitrogen":[39],"application":[40,68],"generally":[41],"increased":[42],"the":[43,67],"yields":[44,60],"of":[45,61,69],"both":[46],"cane":[47,62],"sugar":[49,64],"but":[50],"did":[51],"not":[52],"significantly":[53],"affect":[54],"sucrose":[55],"recovery.":[56],"Correlation":[57],"coefficients":[58],"for":[59],"suggested":[65],"that":[66],"88\u2013176":[70],"kg":[71],"N/ha":[72],"after":[75],"planting":[76],"economic.":[78]},"counts_by_year":[],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}