{"id":"https://openalex.org/W2225098656","doi":null,"title":"Fertilizer placement for rainfed sorghum","display_name":"Fertilizer placement for rainfed sorghum","publication_year":1975,"publication_date":"1975-01-01","ids":{"openalex":"https://openalex.org/W2225098656","mag":"2225098656"},"language":"en","primary_location":{"id":"mag:2225098656","doi":null,"is_oa":false,"landing_page_url":"http://eprints.icrisat.ac.in/6836/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101765540","display_name":"Sanjoy Das","orcid":"https://orcid.org/0000-0001-8018-0870","observed_orcids":["https://orcid.org/0000-0001-8018-0870"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sanjoy Das","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-8018-0870","affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5046100263","display_name":"B. V. Subbiah","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. V. Subbiah","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.8032000064849854,"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"}},"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.8032000064849854,"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","score":0.18359999358654022,"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","score":0.003100000089034438,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/fertilizer-placement","display_name":"fertilizer placement","score":0.9300000071525574},{"id":"https://openalex.org/keywords/rainfed-sorghum","display_name":"rainfed sorghum","score":0.9200000166893005},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.8539999723434448},{"id":"https://openalex.org/keywords/ammonium-sulfate","display_name":"ammonium sulfate","score":1.0},{"id":"https://openalex.org/keywords/phosphorus-fertilization","display_name":"phosphorus fertilization","score":0.847000002861023},{"id":"https://openalex.org/keywords/split-application","display_name":"split application","score":0.718999981880188},{"id":"https://openalex.org/keywords/sorghum-yield","display_name":"sorghum yield","score":0.8429999947547913},{"id":"https://openalex.org/keywords/nitrogen-application-rate","display_name":"nitrogen application rate","score":0.5339999794960022}],"concepts":[{"id":"https://openalex.org/C2778157034","wikidata":"https://www.wikidata.org/wiki/Q12111","display_name":"Sorghum","level":2,"score":0.8763329982757568},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6575540900230408},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.5828314423561096},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5594682097434998},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.5046478509902954},{"id":"https://openalex.org/C2993605384","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Nitrogen fertilizer","level":3,"score":0.4402008652687073},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.43473851680755615},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.35855528712272644},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.1593627631664276},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.09986454248428345},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07079613208770752},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2225098656","doi":null,"is_oa":false,"landing_page_url":"http://eprints.icrisat.ac.in/6836/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391929405","https://openalex.org/W2029818145","https://openalex.org/W2036865302","https://openalex.org/W187745348","https://openalex.org/W3001246887","https://openalex.org/W2001789492","https://openalex.org/W54721540","https://openalex.org/W2586675891","https://openalex.org/W6920494381","https://openalex.org/W1554695936"],"abstract_inverted_index":{"Placement":[0],"of":[1,6,34,43],"nitrogen":[2],"(in":[3],"the":[4,31,41,44],"form":[5],"ammonium":[7],"sulphate)":[8],"was":[9],"most":[10],"effective":[11,52],"for":[12],"sorghum":[13],"yields":[14],"at":[15,25,37],"15cm":[16],"depth.":[17],"N":[18],"applications":[19,48,55],"gave":[20],"no":[21,50],"further":[22],"yield":[23],"increases":[24],"rates":[26],"above":[27],"56":[28],"kg/ha.":[29],"Under":[30],"current":[32],"practice":[33],"P":[35],"placement":[36],"5":[38],"cm":[39],"to":[40],"side":[42],"crop":[45],"row,":[46],"split":[47],"were":[49],"more":[51],"than":[53],"single":[54]},"counts_by_year":[],"updated_date":"2025-11-06T04:12:42.849631","created_date":"2016-06-24T00:00:00"}