{"id":"https://openalex.org/A5110141371","orcid":null,"observed_orcids":[],"display_name":"Ron W. Rickman","raw_author_names":["R Rickman","R W Rickman","R. W. Rickman","R.W. RICKMAN","R.W. Rickman","Ron Rickman","Ron W. Rickman"],"full_name":"Ron W. Rickman","works_count":73,"cited_by_count":2130,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":26,"i10_index":47},"ids":{"openalex":"https://openalex.org/A5110141371","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I103635307","ror":"https://ror.org/03nawhv43","display_name":"University of California, Riverside","country_code":"US","type":"education","lineage":["https://openalex.org/I103635307"]},"years":[1968]},{"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":[2013,2011,2010,2009,2008,2002,1998,1997,1995,1994,1993,1992,1991,1990,1989,1988,1987,1985,1984,1983,1982,1968]},{"institution":{"id":"https://openalex.org/I131249849","ror":"https://ror.org/00ysfqy60","display_name":"Oregon State University","country_code":"US","type":"education","lineage":["https://openalex.org/I131249849"]},"years":[1997,1984]},{"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":[2013,2002,1997,1993,1991,1990,1984,1983,1982,1968]},{"institution":{"id":"https://openalex.org/I134113660","ror":"https://ror.org/01keh0577","display_name":"University of Nevada, Reno","country_code":"US","type":"education","lineage":["https://openalex.org/I134113660"]},"years":[1968]},{"institution":{"id":"https://openalex.org/I82497590","ror":"https://ror.org/02v80fc35","display_name":"Auburn University","country_code":"US","type":"education","lineage":["https://openalex.org/I82497590"]},"years":[1984,1982]}],"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":38,"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":23,"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/T10733","display_name":"Wheat and Barley Genetics and Pathology","count":22,"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","count":17,"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/T10716","display_name":"Soil and Unsaturated Flow","count":14,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T12472","display_name":"Plant responses to water stress","value":0.0001301,"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/T12792","display_name":"Soil Management and Crop Yield","value":0.0001274,"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":9.52e-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/T14137","display_name":"Agriculture, Soil, Plant Science","value":9.22e-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/T14365","display_name":"Leaf Properties and Growth Measurement","value":7.61e-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"}}],"x_concepts":[{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9329397678375244},{"id":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.8295801877975464},{"id":"159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","score":0.779678225517273},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.7285302877426147},{"id":"159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","score":0.5531738996505737}],"counts_by_year":[{"year":1965,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1966,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1968,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1972,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1975,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1978,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":2,"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":5,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1993,"works_count":3,"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":5,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2001,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":0,"cited_by_count":75},{"year":2013,"works_count":1,"oa_works_count":1,"cited_by_count":70},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":69},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":67},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":37},{"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":41},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":31},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":39},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":33}],"display_name_alternatives":["R Rickman","R W Rickman","R. W. Rickman","R.W. RICKMAN","R.W. Rickman","Ron Rickman","Ron W. Rickman"],"block_key":"r rickman","works_api_url":"https://api.openalex.org/works?filter=author.id:A5110141371","updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}