{"id":"https://openalex.org/W1471670226","doi":null,"title":"Productivity and agronomic efficiency of maize as a function of nitrogen fertilization and soil management.","display_name":"Productivity and agronomic efficiency of maize as a function of nitrogen fertilization and soil management.","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W1471670226","mag":"1471670226"},"language":"en","primary_location":{"id":"pmh:oai:doaj.org/article:b3273f1521984df7a0eb50629107cc14","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/b3273f1521984df7a0eb50629107cc14","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Revista Brasileira de Milho e Sorgo, Vol 9, Iss 2, Pp 135-146 (2010)","raw_type":"article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["doaj"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doaj.org/article/b3273f1521984df7a0eb50629107cc14","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036059595","display_name":"Rog\u00e9rio Farinelli","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rog\u00e9rio Farinelli","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5015798229","display_name":"Leandro Borges Lemos","orcid":"https://orcid.org/0000-0003-1781-1267","observed_orcids":["https://orcid.org/0000-0003-1781-1267"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leandro Borges Lemos","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0003-1781-1267","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":"9","issue":"2","first_page":"135","last_page":"146"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.9945999979972839,"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"}},"topics":[{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.9945999979972839,"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/T12294","display_name":"Agricultural Science and Fertilization","score":0.002400000113993883,"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/T12792","display_name":"Soil Management and Crop Yield","score":0.0019000000320374966,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/maize","display_name":"maize","score":0.996999979019165},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9810000061988831},{"id":"https://openalex.org/keywords/topdressing","display_name":"topdressing","score":0.8009999990463257},{"id":"https://openalex.org/keywords/agronomic-efficiency","display_name":"agronomic efficiency","score":0.968999981880188},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.6759999990463257},{"id":"https://openalex.org/keywords/yield-components","display_name":"yield components","score":0.9660000205039978},{"id":"https://openalex.org/keywords/no-tillage","display_name":"no-tillage","score":0.8759999871253967},{"id":"https://openalex.org/keywords/conventional-tillage","display_name":"conventional tillage","score":0.9890000224113464},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.8489999771118164},{"id":"https://openalex.org/keywords/leaf-nitrogen-content","display_name":"leaf nitrogen content","score":0.9729999899864197},{"id":"https://openalex.org/keywords/grain-nitrogen-concentration","display_name":"grain nitrogen content","score":0.8920000195503235},{"id":"https://openalex.org/keywords/soil-management","display_name":"soil management","score":0.5720000267028809}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7194411754608154},{"id":"https://openalex.org/C88972607","wikidata":"https://www.wikidata.org/wiki/Q2666904","display_name":"Human fertilization","level":2,"score":0.7189851403236389},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.6765965223312378},{"id":"https://openalex.org/C2993605384","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Nitrogen fertilizer","level":3,"score":0.598750114440918},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5621373057365417},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5393282175064087},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.35825395584106445},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.33426743745803833},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.24673005938529968},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.15962672233581543},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.13270896673202515},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10472044348716736},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.09298348426818848},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:doaj.org/article:b3273f1521984df7a0eb50629107cc14","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/b3273f1521984df7a0eb50629107cc14","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Revista Brasileira de Milho e Sorgo, Vol 9, Iss 2, Pp 135-146 (2010)","raw_type":"article"},{"id":"mag:1471670226","doi":null,"is_oa":true,"landing_page_url":"https://www.cabdirect.org/cabdirect/abstract/20113221688","pdf_url":null,"source":{"id":"https://openalex.org/S4306526209","display_name":"Revista Brasileira de Milho e Sorgo","issn_l":"1676-689X","issn":["1676-689X","1980-6477"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Revista Brasileira de Milho e Sorgo","raw_type":null}],"best_oa_location":{"id":"pmh:oai:doaj.org/article:b3273f1521984df7a0eb50629107cc14","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/b3273f1521984df7a0eb50629107cc14","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Revista Brasileira de Milho e Sorgo, Vol 9, Iss 2, Pp 135-146 (2010)","raw_type":"article"},"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2127582716","https://openalex.org/W1439552729","https://openalex.org/W7058453964","https://openalex.org/W1585991220","https://openalex.org/W2337430750","https://openalex.org/W7098212960","https://openalex.org/W2023511763","https://openalex.org/W2527872402","https://openalex.org/W4406298943","https://openalex.org/W2006173351"],"abstract_inverted_index":{"Nitrogen":[0],"is":[1,14],"the":[2,9,15,31,63,87,96,139,164,176],"nutrient":[3],"required":[4],"in":[5,75,125,167,175],"largest":[6],"amount,":[7],"presents":[8],"highest":[10],"cost,":[11],"and":[12,38,50,93,95,108,129],"also":[13],"one":[16],"that":[17],"most":[18],"affects":[19],"maize":[20],"grain":[21,36,130,134,152,168],"yield.":[22],"The":[23,67,82,119,148],"purpose":[24],"of":[25,34,59,121,141,172],"this":[26],"work":[27],"was":[28,70,114,136,157],"to":[29],"evaluate":[30],"yield":[32,37,135],"components":[33],"maize,":[35],"agronomic":[39,149],"efficiency,":[40],"regarding":[41],"topdress":[42],"nitrogen":[43,99,131],"doses,":[44],"cultivated":[45],"under":[46],"conventional":[47],"soil":[48,89],"tillage":[49,90],"no-tillage":[51,177],"system":[52],"at":[53],"Universidade":[54],"Estadual":[55],"Paulista":[56],"(UNESP),":[57],"campus":[58],"Botucatu,":[60],"SP,":[61],"using":[62],"black":[64],"oat/corn":[65],"succession.":[66],"experimental":[68],"design":[69],"a":[71],"randomized":[72],"complete":[73],"blocks":[74],"split":[76],"plot":[77],"arrangement,":[78],"with":[79,138,163],"four":[80],"replications.":[81],"plots":[83],"were":[84],"represented":[85],"by":[86,98,159],"different":[88],"systems":[91],"(conventional":[92],"no-tillage),":[94],"subplots":[97],"doses":[100,120],"applied":[101,174],"as":[102,116,146],"topdressing":[103],"(0,":[104],"40,":[105],"80,":[106],"120":[107],"160":[109],"kg":[110,143,154,171],"N":[111,117,122,127,144,155,161,173],"ha-1).":[112],"Urea":[113],"used":[115],"source.":[118],"promoted":[123],"increases":[124],"leaf":[126],"content":[128],"content.":[132],"Maximum":[133],"obtained":[137],"estimative":[140],"92":[142],"ha-1":[145],"topdressing.":[147],"efficiency":[150],"(kg":[151],"per":[153,170],"applied)":[156],"reduced":[158],"increasing":[160],"dose,":[162],"greatest":[165],"gains":[166],"production":[169],"system.":[178]},"counts_by_year":[],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}