{"id":"https://openalex.org/A5000656145","orcid":"https://orcid.org/0000-0002-4355-3399","observed_orcids":["https://orcid.org/0000-0002-4355-3399"],"display_name":"R. Manivannan","raw_author_names":["Manivannan R.","R Manivannan","R. Manivannan"],"full_name":"R. Manivannan","works_count":9,"cited_by_count":9,"summary_stats":{"2yr_mean_citedness":0.25,"h_index":2,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5000656145","orcid":"https://orcid.org/0000-0002-4355-3399","observed_orcids":["https://orcid.org/0000-0002-4355-3399"]},"affiliations":[{"institution":{"id":"https://openalex.org/I134900695","ror":"https://ror.org/04fs90r60","display_name":"Tamil Nadu Agricultural University","country_code":"IN","type":"education","lineage":["https://openalex.org/I134900695"]},"years":[2026]},{"institution":{"id":"https://openalex.org/I197081775","ror":"https://ror.org/01x24z140","display_name":"Annamalai University","country_code":"IN","type":"education","lineage":["https://openalex.org/I197081775"]},"years":[2023,2022,2021]}],"last_known_institutions":[{"id":"https://openalex.org/I134900695","ror":"https://ror.org/04fs90r60","display_name":"Tamil Nadu Agricultural University","country_code":"IN","type":"education","lineage":["https://openalex.org/I134900695"]}],"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","count":7,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","count":4,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","count":2,"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/T10774","display_name":"Weed Control and Herbicide Applications","count":2,"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/T12344","display_name":"Silicon Effects in Agriculture","count":2,"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/T12344","display_name":"Silicon Effects in Agriculture","value":5.92e-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/T12855","display_name":"Peanut Plant Research Studies","value":3.69e-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/T12045","display_name":"Rice Cultivation and Yield Improvement","value":1.88e-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":1.21e-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/T10774","display_name":"Weed Control and Herbicide Applications","value":1e-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":"6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","score":0.7121000289916992},{"id":"86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","score":0.6274999976158142},{"id":"39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","score":0.5762059688568115},{"id":"185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","score":0.4787999987602234},{"id":"178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","score":0.0}],"counts_by_year":[{"year":2021,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":2023,"works_count":2,"oa_works_count":2,"cited_by_count":3},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2026,"works_count":4,"oa_works_count":4,"cited_by_count":3}],"display_name_alternatives":["Manivannan R.","R Manivannan","R. Manivannan"],"block_key":"r manivannan","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000656145","awards_count":0,"updated_date":"2026-11-04T11:47:51","created_date":"2021-03-29T00:00:00"}