{"id":"https://openalex.org/W91512568","doi":"https://doi.org/10.20710/dojo.66.5_535","title":"Effect of nitrogen forms and Ca/K ratio in the culture solution on the contents of nitrate, ascorbic acid and oxalic acid in spinach (Spinacia oleracea L.) and komatsuna (Brassica campestris L.).","display_name":"Effect of nitrogen forms and Ca/K ratio in the culture solution on the contents of nitrate, ascorbic acid and oxalic acid in spinach (Spinacia oleracea L.) and komatsuna (Brassica campestris L.).","publication_year":1995,"publication_date":"1995-01-01","ids":{"openalex":"https://openalex.org/W91512568","doi":"https://doi.org/10.20710/dojo.66.5_535","mag":"91512568"},"language":"en","primary_location":{"id":"mag:1430962333","doi":null,"is_oa":false,"landing_page_url":"https://agris.fao.org/agris-search/search.do?recordID=JP19970145886","pdf_url":null,"source":{"id":"https://openalex.org/S4306514864","display_name":"Japanese Journal of Soil Science and Plant Nutrition","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":"Japanese Journal of Soil Science and Plant Nutrition","raw_type":null},"volume":null,"type":"article","is_traditional":true,"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/A5041201719","display_name":"\u96c5\u5b50 \u5efa\u90e8","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Masako Takebe","raw_affiliation_strings":["\u8fb2\u696d\u7814\u7a76\u30bb\u30f3\u30bf\u30fc"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"\u8fb2\u696d\u7814\u7a76\u30bb\u30f3\u30bf\u30fc","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073014547","display_name":"\u4fca\u5e78 \u77f3\u539f","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4405253727","display_name":"Tottori Horticultural Experiment Station","ror":"https://ror.org/010y48890","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4405253727"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takamitsu Ishihara","raw_affiliation_strings":["\u9ce5\u53d6\u770c\u5712\u82b8\u8a66\u9a13\u5834\u897f\u4f2f\u5206\u5834"],"raw_orcid":"https://orcid.org/0000-0001-5967-7540","affiliations":[{"raw_affiliation_string":"\u9ce5\u53d6\u770c\u5712\u82b8\u8a66\u9a13\u5834\u897f\u4f2f\u5206\u5834","institution_ids":["https://openalex.org/I4405253727"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086246431","display_name":"\u304b\u304a\u308b \u77f3\u4e95","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I104946051","display_name":"Nihon University","ror":"https://ror.org/05jk51a88","country_code":"JP","type":"education","lineage":["https://openalex.org/I104946051"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Keiichi Ishii","raw_affiliation_strings":["\u65e5\u672c\u5927\u5b66\u8fb2\u7363\u533b\u5b66\u90e8"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"\u65e5\u672c\u5927\u5b66\u8fb2\u7363\u533b\u5b66\u90e8","institution_ids":["https://openalex.org/I104946051"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063811715","display_name":"\u5fe0\u514b \u7c73\u5c71","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Takayuki Yoneyama","raw_affiliation_strings":["\u8fb2\u696d\u7814\u7a76\u30bb\u30f3\u30bf\u30fc"],"raw_orcid":"https://orcid.org/0000-0003-1029-4439","affiliations":[{"raw_affiliation_string":"\u8fb2\u696d\u7814\u7a76\u30bb\u30f3\u30bf\u30fc","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.4219,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.86974236,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"66","issue":"5","first_page":"535","last_page":"543"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.5586000084877014,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.5586000084877014,"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/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.3677000105381012,"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/T12113","display_name":"Growth and nutrition in plants","score":0.05860000103712082,"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/nitrogen-forms","display_name":"nitrogen forms","score":0.8059999942779541},{"id":"https://openalex.org/keywords/calcium-to-potassium-ratio","display_name":"calcium to potassium ratio","score":0.9520000219345093},{"id":"https://openalex.org/keywords/culture-solution","display_name":"culture solution","score":0.875},{"id":"https://openalex.org/keywords/nitrate-accumulation","display_name":"nitrate accumulation","score":0.9240000247955322},{"id":"https://openalex.org/keywords/vitamin-c","display_name":"vitamin C","score":0.996999979019165},{"id":"https://openalex.org/keywords/oxalic-acid","display_name":"oxalic acid","score":0.9959999918937683},{"id":"https://openalex.org/keywords/spinach","display_name":"spinach","score":0.9990000128746033},{"id":"https://openalex.org/keywords/komatsuna","display_name":"komatsuna","score":0.9660000205039978}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3131212592124939}],"mesh":[],"locations_count":5,"locations":[{"id":"mag:1430962333","doi":null,"is_oa":false,"landing_page_url":"https://agris.fao.org/agris-search/search.do?recordID=JP19970145886","pdf_url":null,"source":{"id":"https://openalex.org/S4306514864","display_name":"Japanese Journal of Soil Science and Plant Nutrition","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":"Japanese Journal of Soil Science and Plant Nutrition","raw_type":null},{"id":"mag:2253887594","doi":null,"is_oa":false,"landing_page_url":"https://ci.nii.ac.jp/naid/10004976321","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"mag:2302144351","doi":null,"is_oa":false,"landing_page_url":"https://jglobal.jst.go.jp/detail?JGLOBAL_ID=200902105865267892","pdf_url":null,"source":{"id":"https://openalex.org/S4306550572","display_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u96d1\u8a8c","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\u96d1\u8a8c","raw_type":null},{"id":"mag:2608660993","doi":null,"is_oa":false,"landing_page_url":"https://agriknowledge.affrc.go.jp/RN/2010532143","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},{"id":"mag:91512568","doi":"https://doi.org/10.20710/dojo.66.5_535","is_oa":false,"landing_page_url":"https://www.jstage.jst.go.jp/article/dojo/66/5/66_KJ00001683347/_pdf","pdf_url":null,"source":{"id":"https://openalex.org/S4306550572","display_name":"\u65e5\u672c\u571f\u58cc\u80a5\u6599\u5b66\u96d1\u8a8c","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\u96d1\u8a8c","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.991100013256073,"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":6,"referenced_works":["https://openalex.org/W124934560","https://openalex.org/W629174732","https://openalex.org/W655924311","https://openalex.org/W2433769578","https://openalex.org/W3035173024","https://openalex.org/W3143316899"],"related_works":["https://openalex.org/W2302144351","https://openalex.org/W2253887594","https://openalex.org/W655924311","https://openalex.org/W561377575","https://openalex.org/W175035341","https://openalex.org/W637233105","https://openalex.org/W3193110763","https://openalex.org/W596636521","https://openalex.org/W586737012","https://openalex.org/W303125787"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2016-06-24T00:00:00"}