{"id":"https://openalex.org/W2004705181","doi":"https://doi.org/10.1002/jpln.19570790305","title":"Untersuchungen zur Bestimmung der wirksamen Phosphors\u00e4ure in Rohphosphaten unter Verwendung von Ionenaustauschern","display_name":"Untersuchungen zur Bestimmung der wirksamen Phosphors\u00e4ure in Rohphosphaten unter Verwendung von Ionenaustauschern","publication_year":1957,"publication_date":"1957-01-01","ids":{"openalex":"https://openalex.org/W2004705181","doi":"https://doi.org/10.1002/jpln.19570790305","mag":"2004705181"},"language":"de","primary_location":{"id":"doi:10.1002/jpln.19570790305","doi":"https://doi.org/10.1002/jpln.19570790305","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jpln.19570790305","pdf_url":null,"source":{"id":"https://openalex.org/S159786734","display_name":"Journal of Plant Nutrition and Soil Science","issn_l":"1436-8730","issn":["1436-8730","1522-2624"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Zeitschrift f\u00fcr Pflanzenern\u00e4hrung, D\u00fcngung, Bodenkunde","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"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/A5112735543","display_name":"Fritz Scheffer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74656192","display_name":"University of G\u00f6ttingen","ror":"https://ror.org/01y9bpm73","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"F. Scheffer","raw_affiliation_strings":["Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen","Prof. Dr. F. Scheffer, Go\u0308ttingen, Nikolausberger Weg 7"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen","institution_ids":["https://openalex.org/I74656192"]},{"raw_affiliation_string":"Prof. Dr. F. Scheffer, Go\u0308ttingen, Nikolausberger Weg 7","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029005386","display_name":"A. Kloke","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74656192","display_name":"University of G\u00f6ttingen","ror":"https://ror.org/01y9bpm73","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"A. Kloke","raw_affiliation_strings":["Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen","institution_ids":["https://openalex.org/I74656192"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003658557","display_name":"G. Wittkopf","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I74656192","display_name":"University of G\u00f6ttingen","ror":"https://ror.org/01y9bpm73","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"G. Wittkopf","raw_affiliation_strings":["Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agrikulturchemischen und Bodenkundlichen Institut der Universita\u0308t Go\u0308ttingen","institution_ids":["https://openalex.org/I74656192"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74656192"],"apc_list":{"value":4030,"currency":"USD","value_usd":4030},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.16803279,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"79","issue":"3","first_page":"232","last_page":"246"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12186","display_name":"Phosphorus and nutrient management","score":0.9330999851226807,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12186","display_name":"Phosphorus and nutrient management","score":0.9330999851226807,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.04580000042915344,"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":0.007199999876320362,"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/phosphate-determination","display_name":"phosphate determination","score":0.753000020980835},{"id":"https://openalex.org/keywords/ion-exchangers","display_name":"ion exchangers","score":0.859000027179718},{"id":"https://openalex.org/keywords/phosphate-adsorption","display_name":"phosphate adsorption","score":0.4429999887943268}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.39899197220802307}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/jpln.19570790305","doi":"https://doi.org/10.1002/jpln.19570790305","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jpln.19570790305","pdf_url":null,"source":{"id":"https://openalex.org/S159786734","display_name":"Journal of Plant Nutrition and Soil Science","issn_l":"1436-8730","issn":["1436-8730","1522-2624"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Zeitschrift f\u00fcr Pflanzenern\u00e4hrung, D\u00fcngung, Bodenkunde","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6875,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1965011827","https://openalex.org/W1984746382","https://openalex.org/W2027444462","https://openalex.org/W2055455655","https://openalex.org/W2057029688","https://openalex.org/W2069870282","https://openalex.org/W2073734401","https://openalex.org/W2074838659","https://openalex.org/W2086177408"],"related_works":["https://openalex.org/W2079272532","https://openalex.org/W2027444462","https://openalex.org/W2327597081","https://openalex.org/W2050371293","https://openalex.org/W2157485995","https://openalex.org/W1983605949","https://openalex.org/W2027732777","https://openalex.org/W2883922515","https://openalex.org/W2015443339","https://openalex.org/W2095139105"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}