{"id":"https://openalex.org/W2883762057","doi":"https://doi.org/10.29244/jjidn.v1i2.30606","title":"NPK Levels and Application Methods on Productivity of Amorphophallus muelleri Blume in Intercropping System","display_name":"NPK Levels and Application Methods on Productivity of Amorphophallus muelleri Blume in Intercropping System","publication_year":2016,"publication_date":"2016-09-30","ids":{"openalex":"https://openalex.org/W2883762057","doi":"https://doi.org/10.29244/jjidn.v1i2.30606","mag":"2883762057"},"language":"en","primary_location":{"id":"doi:10.29244/jjidn.v1i2.30606","doi":"https://doi.org/10.29244/jjidn.v1i2.30606","is_oa":true,"landing_page_url":"http://doi.org/10.29244/jjidn.v1i2.30606","pdf_url":"http://journal.ipb.ac.id/index.php/jamu/article/download/30606/19732","source":{"id":"https://openalex.org/S4210181251","display_name":"Jurnal Jamu Indonesia","issn_l":"2407-7178","issn":["2407-7178","2407-7763"],"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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Jamu Indonesia","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://journal.ipb.ac.id/index.php/jamu/article/download/30606/19732","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5000792835","display_name":"Edi Santosa","orcid":"https://orcid.org/0000-0001-5560-4598","observed_orcids":["https://orcid.org/0000-0001-5560-4598"]},"institutions":[{"id":"https://openalex.org/I21881038","display_name":"IPB University","ror":"https://ror.org/05smgpd89","country_code":"ID","type":"education","lineage":["https://openalex.org/I21881038"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Edi Santosa","raw_affiliation_strings":["Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia","institution_ids":["https://openalex.org/I21881038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082379905","display_name":"Anas Dinurrohman Susila","orcid":"https://orcid.org/0000-0003-1117-7947","observed_orcids":["https://orcid.org/0000-0003-1117-7947"]},"institutions":[{"id":"https://openalex.org/I21881038","display_name":"IPB University","ror":"https://ror.org/05smgpd89","country_code":"ID","type":"education","lineage":["https://openalex.org/I21881038"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Anas Dinurrohman Susila","raw_affiliation_strings":["Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia","institution_ids":["https://openalex.org/I21881038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109598072","display_name":"Adolf Pieter Lontoh","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I21881038","display_name":"IPB University","ror":"https://ror.org/05smgpd89","country_code":"ID","type":"education","lineage":["https://openalex.org/I21881038"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Adolf Pieter Lontoh","raw_affiliation_strings":["Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Bogor Agricultural University. Bogor 16168 Indonesia","institution_ids":["https://openalex.org/I21881038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5114035779","display_name":"Yoko Mine","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I127317711","display_name":"Tokyo University of Agriculture","ror":"https://ror.org/05crbcr45","country_code":"JP","type":"education","lineage":["https://openalex.org/I127317711"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoko Mine","raw_affiliation_strings":["Faculty of Agriculture, Tokyo University of Agriculture, Funako, Atsugi, Kanagawa 243-0034, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Tokyo University of Agriculture, Funako, Atsugi, Kanagawa 243-0034, Japan","institution_ids":["https://openalex.org/I127317711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110126638","display_name":"Nobuo Sugiyama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I127317711","display_name":"Tokyo University of Agriculture","ror":"https://ror.org/05crbcr45","country_code":"JP","type":"education","lineage":["https://openalex.org/I127317711"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobuo Sugiyama","raw_affiliation_strings":["Faculty of Agriculture, Tokyo University of Agriculture, Funako, Atsugi, Kanagawa 243-0034, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Agriculture, Tokyo University of Agriculture, Funako, Atsugi, Kanagawa 243-0034, Japan","institution_ids":["https://openalex.org/I127317711"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3284,"has_fulltext":true,"cited_by_count":10,"citation_normalized_percentile":{"value":0.6715395,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":96},"biblio":{"volume":"1","issue":"2","first_page":"1","last_page":"54"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.6776999831199646,"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":0.6776999831199646,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.2632000148296356,"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/T13688","display_name":"Shallot Cultivation and Analysis","score":0.02889999933540821,"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/amorphophallus-muelleri","display_name":"Amorphophallus muelleri","score":1.0},{"id":"https://openalex.org/keywords/npk-fertilization","display_name":"NPK fertilization","score":0.8309999704360962},{"id":"https://openalex.org/keywords/fertilizer-application-methods","display_name":"fertilizer application methods","score":0.7210000157356262},{"id":"https://openalex.org/keywords/intercropping","display_name":"intercropping","score":0.6869999766349792},{"id":"https://openalex.org/keywords/coffea","display_name":"Coffea","score":0.5649999976158142},{"id":"https://openalex.org/keywords/corm-yield","display_name":"corm yield","score":0.9850000143051147},{"id":"https://openalex.org/keywords/glucomannan","display_name":"glucomannan","score":0.7490000128746033},{"id":"https://openalex.org/keywords/leaf-discoloration","display_name":"leaf discoloration","score":0.9010000228881836},{"id":"https://openalex.org/keywords/harvest-timing","display_name":"harvest time","score":0.8180000185966492},{"id":"https://openalex.org/keywords/fertilizer-dose","display_name":"fertilizer dose","score":0.4350000023841858}],"concepts":[{"id":"https://openalex.org/C62555735","wikidata":"https://www.wikidata.org/wiki/Q858568","display_name":"Corm","level":2,"score":0.9367029666900635},{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.8226207494735718},{"id":"https://openalex.org/C204983608","wikidata":"https://www.wikidata.org/wiki/Q2111958","display_name":"Productivity","level":2,"score":0.6527493596076965},{"id":"https://openalex.org/C2777729502","wikidata":"https://www.wikidata.org/wiki/Q132651","display_name":"Amorphophallus","level":2,"score":0.6303996443748474},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5307987332344055},{"id":"https://openalex.org/C206139338","wikidata":"https://www.wikidata.org/wiki/Q192355","display_name":"Raw material","level":2,"score":0.46167609095573425},{"id":"https://openalex.org/C33070731","wikidata":"https://www.wikidata.org/wiki/Q7218","display_name":"Toxicology","level":1,"score":0.45843181014060974},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.4308862090110779},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4096250534057617},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.35864830017089844},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.3216668367385864},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.28814440965652466},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.24610191583633423},{"id":"https://openalex.org/C139719470","wikidata":"https://www.wikidata.org/wiki/Q39680","display_name":"Macroeconomics","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.29244/jjidn.v1i2.30606","doi":"https://doi.org/10.29244/jjidn.v1i2.30606","is_oa":true,"landing_page_url":"http://doi.org/10.29244/jjidn.v1i2.30606","pdf_url":"http://journal.ipb.ac.id/index.php/jamu/article/download/30606/19732","source":{"id":"https://openalex.org/S4210181251","display_name":"Jurnal Jamu Indonesia","issn_l":"2407-7178","issn":["2407-7178","2407-7763"],"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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Jamu Indonesia","raw_type":"journal-article"},{"id":"doi:10.29244/jji.v1i2.12","doi":"https://doi.org/10.29244/jji.v1i2.12","is_oa":true,"landing_page_url":"https://doi.org/10.29244/jji.v1i2.12","pdf_url":"http://jamu.journal.ipb.ac.id/index.php/JJI/article/download/12/7","source":{"id":"https://openalex.org/S4210181251","display_name":"Jurnal Jamu Indonesia","issn_l":"2407-7178","issn":["2407-7178","2407-7763"],"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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Jamu Indonesia","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.29244/jjidn.v1i2.30606","doi":"https://doi.org/10.29244/jjidn.v1i2.30606","is_oa":true,"landing_page_url":"http://doi.org/10.29244/jjidn.v1i2.30606","pdf_url":"http://journal.ipb.ac.id/index.php/jamu/article/download/30606/19732","source":{"id":"https://openalex.org/S4210181251","display_name":"Jurnal Jamu Indonesia","issn_l":"2407-7178","issn":["2407-7178","2407-7763"],"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":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Jamu Indonesia","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","score":0.991100013256073,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320324691","display_name":"Tokyo University of Agriculture","ror":"https://ror.org/05crbcr45"},{"id":"https://openalex.org/F4320325608","display_name":"Institut Pertanian Bogor","ror":"https://ror.org/05smgpd89"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2883762057.pdf","grobid_xml":"https://content.openalex.org/works/W2883762057.grobid-xml"},"referenced_works_count":11,"referenced_works":["https://openalex.org/W399170301","https://openalex.org/W425991556","https://openalex.org/W602979508","https://openalex.org/W1538271484","https://openalex.org/W2073696885","https://openalex.org/W2092560580","https://openalex.org/W2324341788","https://openalex.org/W2331305883","https://openalex.org/W2519540178","https://openalex.org/W2606472807","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W3141739827","https://openalex.org/W3182093933","https://openalex.org/W1928132864","https://openalex.org/W2280173228","https://openalex.org/W2339264160","https://openalex.org/W7216459797","https://openalex.org/W4399100972","https://openalex.org/W4391989612","https://openalex.org/W2349832825","https://openalex.org/W4312255523"],"abstract_inverted_index":{"Underground":[0],"corm":[1,30,155,177,207,238],"of":[2,45,51,56,85,95,121,131,137,144,171,184,189,206,212,220,234,257],"Amorphophallus":[3],"muelleri":[4,22,60,264],"Blume":[5],"contained":[6],"glucomannan,":[7],"a":[8],"raw":[9],"material":[10],"widely":[11],"used":[12],"in":[13,64,266],"beverage,":[14],"food":[15],"and":[16,54,98,109,128,140,149,202,243,248],"medicinal":[17],"industries.":[18],"In":[19,113],"Indonesia,":[20],"A.":[21,59,221,263],"is":[23,259],"grown":[24],"under":[25,83],"intercropping":[26,69,267],"system,":[27],"however,":[28],"average":[29],"production":[31,265],"was":[32,90,228],"considered":[33],"low.":[34],"The":[35],"low":[36,43],"productivity":[37,61,219],"could":[38],"be":[39,215],"related":[40],"to":[41,181,196,261],"the":[42,49,65,104,119,182],"input":[44],"chemical":[46],"fertilizers.":[47],"Therefore,":[48],"effects":[50],"NPK":[52,172,190,213,258],"fertilizers":[53,117],"methods":[55,233],"application":[57,136,173,211,235,256],"on":[58,236],"were":[62,73,123],"evaluated":[63],"present":[66],"study":[67],"for":[68,217],"system.":[70,268],"Two":[71],"experiments":[72,253],"conducted":[74,91],"at":[75,103,118,142],"Leuwikopo":[76],"Experimental":[77],"Farm,":[78],"Bogor,":[79],"Indonesia":[80],"from":[81,246],"2010-2012":[82],"canopy":[84],"coffee":[86],"trees.":[87],"First":[88],"experiment":[89,133,224],"using":[92],"four":[93],"levels":[94],"N,":[96,138],"P,":[97],"K":[99,141],"applications,":[100,250],"i.e.,":[101,240],"N:P2O5:K2O":[102,116],"rate":[105,120,143,170],"0:0:0,":[106],"100:60:80,":[107],"125:60:100":[108],"150:60:120":[110],"kg":[111,151],"ha-1.":[112],"second":[114],"experiment,":[115],"100:60:80":[122],"applied":[124],"by":[125,163],"conventional":[126,247],"(solid)":[127],"liquefied.":[129],"Results":[130],"first":[132],"showed":[134,225],"that":[135,226,255],"P":[139],"100":[145],"kg,":[146,148],"60":[147],"80":[150],"ha-1":[152],"produced":[153],"fresh":[154,237],"weight":[156],"636.3\u00b191.7":[157],"g":[158,242,245],"per":[159],"plant":[160],"or":[161],"increased":[162],"63%":[164],"higher":[165,169],"than":[166],"control.":[167],"However,":[168],"did":[174],"not":[175],"increase":[176],"yield,":[178],"possibly":[179],"due":[180],"occurrence":[183],"leaf":[185],"discoloration.":[186],"Higher":[187],"rates":[188],"also":[191],"delayed":[192],"harvest":[193],"time":[194],"1":[195],"2":[197],"weeks":[198],"compared":[199],"with":[200],"control":[201],"caused":[203],"wide":[204],"variation":[205],"size.":[208],"Thus,":[209],"excess":[210],"should":[214],"avoided":[216],"high":[218],"muelleri.":[222],"Second":[223],"there":[227],"no":[229],"significant":[230],"different":[231],"among":[232],"weight,":[239],"413":[241],"396":[244],"liquefied":[249],"respectively.":[251],"These":[252],"conclude":[254],"important":[260],"enhance":[262]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2018-08-03T00:00:00"}