{"id":"https://openalex.org/A5000722776","orcid":"https://orcid.org/0000-0002-4855-2037","observed_orcids":["https://orcid.org/0000-0002-4855-2037"],"display_name":"Quan Ma","raw_author_names":["MA Quan","Ma Quan","Quan MA","Quan Ma"],"full_name":"Quan Ma","works_count":34,"cited_by_count":564,"summary_stats":{"2yr_mean_citedness":4.9375,"h_index":12,"i10_index":13},"ids":{"openalex":"https://openalex.org/A5000722776","orcid":"https://orcid.org/0000-0002-4855-2037","observed_orcids":["https://orcid.org/0000-0002-4855-2037"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210102412","ror":"https://ror.org/01dyr7034","display_name":"Yan'an University","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210102412"]},"years":[2026,2025]},{"institution":{"id":"https://openalex.org/I78978612","ror":"https://ror.org/03tqb8s11","display_name":"Yangzhou University","country_code":"CN","type":"education","lineage":["https://openalex.org/I78978612"]},"years":[2026,2025,2024,2023,2022,2021,2020]}],"last_known_institutions":[{"id":"https://openalex.org/I4210102412","ror":"https://ror.org/01dyr7034","display_name":"Yan'an University","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210102412"]},{"id":"https://openalex.org/I78978612","ror":"https://ror.org/03tqb8s11","display_name":"Yangzhou University","country_code":"CN","type":"education","lineage":["https://openalex.org/I78978612"]}],"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","count":19,"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":12,"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/T10014","display_name":"Plant Stress Responses and Tolerance","count":8,"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/T12642","display_name":"Polymer-Based Agricultural Enhancements","count":8,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","count":7,"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"}}],"topic_share":[{"id":"https://openalex.org/T12642","display_name":"Polymer-Based Agricultural Enhancements","value":9.37e-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/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","value":5.52e-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/T12310","display_name":"Crop Yield and Soil Fertility","value":4.93e-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/T12045","display_name":"Rice Cultivation and Yield Improvement","value":3.28e-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/T12294","display_name":"Agricultural Science and Fertilization","value":3.27e-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":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.9083778262138367},{"id":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.8214384913444519},{"id":"537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","score":0.8029667139053345},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.7254087328910828},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.0}],"counts_by_year":[{"year":2013,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2015,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2021,"works_count":5,"oa_works_count":3,"cited_by_count":6},{"year":2022,"works_count":5,"oa_works_count":4,"cited_by_count":52},{"year":2023,"works_count":3,"oa_works_count":2,"cited_by_count":61},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":120},{"year":2025,"works_count":7,"oa_works_count":5,"cited_by_count":152},{"year":2026,"works_count":7,"oa_works_count":7,"cited_by_count":173}],"display_name_alternatives":["MA Quan","Ma Quan","Quan MA","Quan Ma"],"block_key":"q ma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000722776","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5000722776","updated_date":"2026-11-13T15:08:24","created_date":"2016-06-24T00:00:00"}
