{"id":"https://openalex.org/A5059624882","orcid":null,"observed_orcids":[],"display_name":"Hermann Kuhlmann","raw_author_names":["H Kuhlmann","H. KUHLMANN","H. Kuhlmann","Hermann Kuhlmann"],"full_name":"Hermann Kuhlmann","works_count":30,"cited_by_count":2645,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":22,"i10_index":25},"ids":{"openalex":"https://openalex.org/A5059624882","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114112103","ror":"https://ror.org/0304hq317","display_name":"Leibniz University Hannover","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]},"years":[2017,2014,1985,1984]},{"institution":{"id":"https://openalex.org/I185298739","ror":"https://ror.org/04gcecg21","display_name":"Norsk Hydro (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I185298739","https://openalex.org/I4210132748"]},"years":[2003,2002,2001,2000]},{"institution":{"id":"https://openalex.org/I2799553609","ror":"https://ror.org/0347fy350","display_name":"Rothamsted Research","country_code":"GB","type":"facility","lineage":["https://openalex.org/I2799553609","https://openalex.org/I2799693246","https://openalex.org/I4210087105"]},"years":[1989,1987]},{"institution":{"id":"https://openalex.org/I4210132748","ror":"https://ror.org/03vx93323","display_name":"Norsk Hydro (Norway)","country_code":"NO","type":"company","lineage":["https://openalex.org/I4210132748"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I4210144380","ror":"https://ror.org/039hegs97","display_name":"Yara (Germany)","country_code":"DE","type":"company","lineage":["https://openalex.org/I4210144380","https://openalex.org/I67171562"]},"years":[2008]}],"last_known_institutions":[{"id":"https://openalex.org/I114112103","ror":"https://ror.org/0304hq317","display_name":"Leibniz University Hannover","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]}],"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","count":18,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":14,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","count":8,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T10435","display_name":"Environmental Impact and Sustainability","count":7,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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/T12310","display_name":"Crop Yield and Soil Fertility","count":7,"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"}}],"topic_share":[{"id":"https://openalex.org/T11259","display_name":"Agriculture Sustainability and Environmental Impact","value":4.34e-05,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T12896","display_name":"Sustainable Agricultural Systems Analysis","value":4.18e-05,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","value":4.03e-05,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"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/T11940","display_name":"Layered Double Hydroxides Synthesis and Applications","value":3.36e-05,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10435","display_name":"Environmental Impact and Sustainability","value":3.3e-05,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.7973120212554932},{"id":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.7801986932754517},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7566831111907959},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.42265939712524414},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.060810357332229614}],"counts_by_year":[{"year":1984,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":120},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":126},{"year":2014,"works_count":2,"oa_works_count":0,"cited_by_count":140},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":130},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":147},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":114},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":149},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":133},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":178},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":145},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":185},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":138},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":99},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":99},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":72}],"display_name_alternatives":["H Kuhlmann","H. KUHLMANN","H. Kuhlmann","Hermann Kuhlmann"],"block_key":"h kuhlmann","works_api_url":"https://api.openalex.org/works?filter=author.id:A5059624882","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}