{"id":"https://openalex.org/W425475323","doi":null,"title":"23-46 Soils of West Africa lowlands : Sulfur and Zinc as limiting factors to rice production.","display_name":"23-46 Soils of West Africa lowlands : Sulfur and Zinc as limiting factors to rice production.","publication_year":1999,"publication_date":"1999-07-25","ids":{"openalex":"https://openalex.org/W425475323","mag":"425475323"},"language":"en","primary_location":{"id":"mag:425475323","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/naid/110001771910","pdf_url":null,"source":{"id":"https://openalex.org/S4306550568","display_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u4f1a\u8b1b\u6f14\u8981\u65e8\u96c6","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":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u4f1a\u8b1b\u6f14\u8981\u65e8\u96c6","raw_type":null},"volume":null,"type":"article","indexed_in":[],"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/A5076007859","display_name":"Moamer Mohammed","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Moamer Mohammed","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5039100833","display_name":"Tetsuro Wakatsuki","orcid":"https://orcid.org/0000-0002-2175-1132","observed_orcids":["https://orcid.org/0000-0002-2175-1132"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Tetsuro Wakatsuki","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-2175-1132","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08153589,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"45","issue":"45","first_page":"268","last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.5785999894142151,"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":0.5785999894142151,"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/T11418","display_name":"Plant Micronutrient Interactions and Effects","score":0.27320000529289246,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.10220000147819519,"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/sulfur","display_name":"sulfur","score":0.41600000858306885},{"id":"https://openalex.org/keywords/zinc","display_name":"zinc","score":1.0},{"id":"https://openalex.org/keywords/micronutrient-deficiency","display_name":"micronutrient deficiency","score":0.7129999995231628},{"id":"https://openalex.org/keywords/rice-production","display_name":"rice production","score":0.8870000243186951},{"id":"https://openalex.org/keywords/lowland-soils","display_name":"lowland soils","score":0.859000027179718},{"id":"https://openalex.org/keywords/soil-fertility","display_name":"soil fertility","score":0.5509999990463257}],"concepts":[{"id":"https://openalex.org/C188198153","wikidata":"https://www.wikidata.org/wiki/Q1613840","display_name":"Limiting","level":2,"score":0.8001340627670288},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.670914888381958},{"id":"https://openalex.org/C518881349","wikidata":"https://www.wikidata.org/wiki/Q682","display_name":"Sulfur","level":2,"score":0.6692593097686768},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.6230257153511047},{"id":"https://openalex.org/C535196362","wikidata":"https://www.wikidata.org/wiki/Q758","display_name":"Zinc","level":2,"score":0.5847969055175781},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4872411787509918},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.19177499413490295},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.13908088207244873},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1059030294418335},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.09281006455421448},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.06908193230628967},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:425475323","doi":null,"is_oa":false,"landing_page_url":"http://ci.nii.ac.jp/naid/110001771910","pdf_url":null,"source":{"id":"https://openalex.org/S4306550568","display_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u4f1a\u8b1b\u6f14\u8981\u65e8\u96c6","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":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u4f1a\u8b1b\u6f14\u8981\u65e8\u96c6","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9208999872207642,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1996311451","https://openalex.org/W2150029187","https://openalex.org/W2737938573","https://openalex.org/W2256679528","https://openalex.org/W2556868862","https://openalex.org/W2479625050","https://openalex.org/W2997371620","https://openalex.org/W1019841320","https://openalex.org/W288647450","https://openalex.org/W1579353895"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2025-10-10T17:16:08.811792","created_date":"2016-06-24T00:00:00"}
