{"id":"https://openalex.org/A5113983740","orcid":null,"observed_orcids":[],"display_name":"Alfred L. Black","raw_author_names":["Alfred L. Black","Black, Alfred L."],"full_name":"Alfred L. Black","works_count":12,"cited_by_count":1195,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":11,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5113983740","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I1312222531","ror":"https://ror.org/02d2m2044","display_name":"Agricultural Research Service","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},"years":[2002,2001,2000,1999,1997]},{"institution":{"id":"https://openalex.org/I1336096307","ror":"https://ror.org/01na82s61","display_name":"United States Department of Agriculture","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]},"years":[2002,2001,2000,1999]},{"institution":{"id":"https://openalex.org/I4210143105","ror":"https://ror.org/0474dxd36","display_name":"Northern Great Plains Research Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210143105","https://openalex.org/I4210145274"]},"years":[1999,1997,1994,1992]}],"last_known_institutions":[{"id":"https://openalex.org/I1312222531","ror":"https://ror.org/02d2m2044","display_name":"Agricultural Research Service","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]},{"id":"https://openalex.org/I1336096307","ror":"https://ror.org/01na82s61","display_name":"United States Department of Agriculture","country_code":"US","type":"government","lineage":["https://openalex.org/I1336096307"]}],"topics":[{"id":"https://openalex.org/T12792","display_name":"Soil Management and Crop Yield","count":11,"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/T10889","display_name":"Soil erosion and sediment transport","count":5,"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/T12294","display_name":"Agricultural Science and Fertilization","count":5,"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","count":5,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":4,"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"}}],"topic_share":[{"id":"https://openalex.org/T12792","display_name":"Soil Management and Crop Yield","value":3.68e-05,"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","value":2.06e-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/T12383","display_name":"Aeolian processes and effects","value":1.77e-05,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12742","display_name":"Sunflower and Safflower Cultivation","value":1.64e-05,"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/T10889","display_name":"Soil erosion and sediment transport","value":1.56e-05,"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"}}],"x_concepts":[{"id":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.8383644223213196},{"id":"16397148","wikidata":"https://www.wikidata.org/wiki/Q878333","display_name":"Tillage","score":0.8166204690933228},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6667228937149048},{"id":"175760724","wikidata":"https://www.wikidata.org/wiki/Q191258","display_name":"Crop rotation","score":0.6533632278442383},{"id":"137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","score":0.43096548318862915}],"counts_by_year":[{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2001,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":55},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":72},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":77},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":50},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":57},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":36},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":26},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":35},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":17}],"display_name_alternatives":["Alfred L. Black","Black, Alfred L."],"block_key":"a black","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113983740","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5113983740","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}
