{"id":"https://openalex.org/W2018435694","doi":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","title":"Nitrogen\u201015 Balance and Residual Effects of Urea\u2010N in Wetland Rice Fields as Affected by Deep Placement Techniques","display_name":"Nitrogen\u201015 Balance and Residual Effects of Urea\u2010N in Wetland Rice Fields as Affected by Deep Placement Techniques","publication_year":1984,"publication_date":"1984-01-01","ids":{"openalex":"https://openalex.org/W2018435694","doi":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","mag":"2018435694"},"language":"en","primary_location":{"id":"doi:10.2136/sssaj1984.03615995004800010037x","doi":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","is_oa":false,"landing_page_url":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","pdf_url":null,"source":{"id":"https://openalex.org/S59755854","display_name":"Soil Science Society of America Journal","issn_l":"0361-5995","issn":["0361-5995","1435-0661"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","norway-2","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soil Science Society of America Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5087823936","display_name":"Zhihong Cao","orcid":"https://orcid.org/0000-0002-6066-1834","observed_orcids":["https://orcid.org/0000-0002-6066-1834"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhi\u2010hong Cao","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110565515","display_name":"S.K. De Datta","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S.K. De Datta","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5108460133","display_name":"Ian R. P. Fillery","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I162210093","display_name":"International Rice Research Institute","ror":"https://ror.org/0593p4448","country_code":"PH","type":"nonprofit","lineage":["https://openalex.org/I1286583668","https://openalex.org/I162210093"]}],"countries":["PH"],"is_corresponding":false,"raw_author_name":"I.R.P Fillery","raw_affiliation_strings":["Former Research Scholar and Head, Dep. of Agron., The Int. Rice Res. Inst., and Soil Scientist, Int. Fert. Dev. Center, Dep. of Soil Chem., The Int. Rice Res. Inst., Los Ban\u0303os, Philippines"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Former Research Scholar and Head, Dep. of Agron., The Int. Rice Res. Inst., and Soil Scientist, Int. Fert. Dev. Center, Dep. of Soil Chem., The Int. Rice Res. Inst., Los Ban\u0303os, Philippines","institution_ids":["https://openalex.org/I162210093"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2020,"currency":"USD","value_usd":2020},"apc_paid":null,"fwci":6.5098,"has_fulltext":false,"cited_by_count":63,"citation_normalized_percentile":{"value":0.96958604,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"48","issue":"1","first_page":"203","last_page":"208"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9463000297546387,"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"}},"topics":[{"id":"https://openalex.org/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9463000297546387,"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","score":0.051899999380111694,"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/T10004","display_name":"Soil Carbon and Nitrogen Dynamics","score":0.0005000000237487257,"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/paddy-rice","display_name":"paddy rice","score":0.8240000009536743},{"id":"https://openalex.org/keywords/rice","display_name":"rice","score":0.8640000224113464},{"id":"https://openalex.org/keywords/residual-soil-nitrogen","display_name":"residual soil nitrogen","score":0.6779999732971191},{"id":"https://openalex.org/keywords/nitrogen-fertilizer-recovery","display_name":"fertilizer nitrogen recovery","score":0.5080000162124634},{"id":"https://openalex.org/keywords/urea-super-granule","display_name":"urea supergranules","score":0.8799999952316284},{"id":"https://openalex.org/keywords/prilled-urea","display_name":"prilled urea","score":0.8859999775886536},{"id":"https://openalex.org/keywords/band-application","display_name":"band application","score":0.7450000047683716},{"id":"https://openalex.org/keywords/nitrogen-incorporation","display_name":"nitrogen incorporation","score":0.45399999618530273},{"id":"https://openalex.org/keywords/alfisol","display_name":"Alfisol","score":0.8019999861717224}],"concepts":[{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.6902425289154053},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.6581450700759888},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.6367343664169312},{"id":"https://openalex.org/C75337361","wikidata":"https://www.wikidata.org/wiki/Q148600","display_name":"Panicle","level":2,"score":0.5320996046066284},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.49254950881004333},{"id":"https://openalex.org/C9777977","wikidata":"https://www.wikidata.org/wiki/Q146575","display_name":"Dry season","level":2,"score":0.47492748498916626},{"id":"https://openalex.org/C8101879","wikidata":"https://www.wikidata.org/wiki/Q175343","display_name":"Nitrogen balance","level":3,"score":0.47277215123176575},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.4504202902317047},{"id":"https://openalex.org/C156634047","wikidata":"https://www.wikidata.org/wiki/Q878214","display_name":"Soil horizon","level":3,"score":0.445972740650177},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.4318123161792755},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.4156649112701416},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.36091262102127075},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.35720789432525635},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3405400216579437},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.2589021623134613},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.16393399238586426},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.13018405437469482},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.11854532361030579},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2136/sssaj1984.03615995004800010037x","doi":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","is_oa":false,"landing_page_url":"https://doi.org/10.2136/sssaj1984.03615995004800010037x","pdf_url":null,"source":{"id":"https://openalex.org/S59755854","display_name":"Soil Science Society of America Journal","issn_l":"0361-5995","issn":["0361-5995","1435-0661"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","norway-2","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soil Science Society of America Journal","raw_type":"journal-article"},{"id":"mag:2410095368","doi":null,"is_oa":false,"landing_page_url":"http://www.irgrid.ac.cn/handle/1471x/106957","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":[{"score":0.958299994468689,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"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/W2057986802","https://openalex.org/W2060088225","https://openalex.org/W2042100456","https://openalex.org/W2137182267","https://openalex.org/W2029818145","https://openalex.org/W2001694134","https://openalex.org/W2060465332","https://openalex.org/W1967781954","https://openalex.org/W1981213589","https://openalex.org/W2734547210"],"abstract_inverted_index":{"Abstract":[0],"The":[1,193],"15":[2,37,126,134,157,236,265,280],"N":[3,12,18,60,95,127,135,158,205,218,266,281],"balance":[4,41,173],"at":[5,85,99],"harvest,":[6,100],"the":[7,15,58,68,93,131,162,170,181,187,190,196,201,207,215,230,238,242,250,257,261,275,278,285],"residual":[8,202,234,279],"effects":[9],"of":[10,17,49,57,66,92,104,125,141,147,149,153,180,200,214,233,277,288],"applied":[11,59,94,182,217],"fertilizer,":[13],"and":[14,70,81,83,165,247],"distribution":[16,276],"by":[19,195],"depth":[20,148],"in":[21,33,112,122,161,169,186,269,282],"a":[22,145],"wetland":[23],"rice":[24],"(":[25],"Oryza":[26],"sativa":[27],"L.)":[28],"soil":[29,188,204,235,270,283],"(Alfisol)":[30],"were":[31],"determined":[32],"field":[34],"experiments":[35],"using":[36],"N\u2010labeled":[38],"urea.":[39,289],"Nitrogen\u201015":[40,172],"data":[42,174],"show":[43],"that":[44,130,176,248],"with":[45,138],"point,":[46],"deep":[47,118],"placement":[48,119,286],"urea":[50,77,154,252],"supergranules":[51],"(USG),":[52],"only":[53],"4":[54],"to":[55,90,178,228],"5%":[56,213],"was":[61,78,96,143,211,245,264],"unaccounted":[62],"for":[63,222],"after":[64,189],"harvest":[65],"both":[67],"dry\u2010season":[69],"wet\u2010season":[71],"crops.":[72],"In":[73,255],"contrast,":[74],"when":[75,108],"prilled":[76],"basally":[79],"broadcast":[80],"incorporated":[82],"topdressed":[84],"panicle":[86],"initiation":[87],"(PI),":[88],"11":[89],"35%":[91],"not":[97],"recovered":[98],"indicating":[101],"substantial":[102],"loss":[103],"fertilizer":[105],"N,":[106],"especially":[107],"poor":[109],"incorporation":[110],"resulted":[111,121],"high":[113,123,132],"floodwater":[114],"mineral\u2010N":[115],"levels.":[116],"Uniform":[117],"also":[120],"recovery":[124,136,159,167,232,240],"(92\u2013107%),":[128],"confirming":[129],"total":[133],"obtained":[137],"point":[139],"deep\u2010placement":[140],"USG":[142,243],"largely":[144],"function":[146],"placement.":[150],"Band":[151],"application":[152],"gave":[155],"complete":[156],"(102%)":[160],"dry":[163,208,258],"season":[164,198,209,259,263],"low":[166],"(61%)":[168],"wet.":[171],"showed":[175],"22":[177],"56%":[179],"urea\u2010N":[183],"still":[184],"remained":[185],"final":[191],"harvest.":[192],"uptake":[194],"wet":[197,262],"crop":[199],"labeled":[203],"from":[206,241,249],"experiment":[210],"about":[212],"initial":[216],"(87":[219],"kg":[220],"N/ha)":[221],"all":[223],"treatments.":[224],"Placement":[225],"method":[226],"appeared":[227],"influence":[229],"actual":[231],"N;":[237],"percentage":[239],"treatment":[244,253],"highest":[246],"split":[251],"lowest.":[254],"neither":[256],"nor":[260],"enrichment":[267],"significant":[268],"below":[271],"30":[272],"cm.":[273],"Generally,":[274],"reflected":[284],"pattern":[287]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}