{"id":"https://openalex.org/W1976023401","doi":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","title":"An evaluation of potassium and nitrogen fertilization of grassland, and date of harvest, on fermentation, effluent production, dry\u2010matter recovery and predicted feeding value of silage","display_name":"An evaluation of potassium and nitrogen fertilization of grassland, and date of harvest, on fermentation, effluent production, dry\u2010matter recovery and predicted feeding value of silage","publication_year":1998,"publication_date":"1998-12-01","ids":{"openalex":"https://openalex.org/W1976023401","doi":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","mag":"1976023401"},"language":"en","primary_location":{"id":"doi:10.1046/j.1365-2494.1998.00136.x","doi":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","is_oa":false,"landing_page_url":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","pdf_url":null,"source":{"id":"https://openalex.org/S74357050","display_name":"Grass and Forage Science","issn_l":"0142-5242","issn":["0142-5242","1365-2494"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Grass and Forage Science","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/A5097690522","display_name":"Keady","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I141766778","display_name":"Teagasc - The Irish Agriculture and Food Development Authority","ror":"https://ror.org/03sx84n71","country_code":"IE","type":"facility","lineage":["https://openalex.org/I141766778"]}],"countries":["IE"],"is_corresponding":true,"raw_author_name":"Keady","raw_affiliation_strings":["Teagasc, Moorepark Research Centre, Fermoy, Co. Cork, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teagasc, Moorepark Research Centre, Fermoy, Co. Cork, Ireland","institution_ids":["https://openalex.org/I141766778"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5097878842","display_name":"O'Kiely","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I141766778","display_name":"Teagasc - The Irish Agriculture and Food Development Authority","ror":"https://ror.org/03sx84n71","country_code":"IE","type":"facility","lineage":["https://openalex.org/I141766778"]}],"countries":["IE"],"is_corresponding":false,"raw_author_name":"O'Kiely","raw_affiliation_strings":["Teagasc, Grange Research Centre, Dunsany, Co. Meath, Ireland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Teagasc, Grange Research Centre, Dunsany, Co. Meath, Ireland","institution_ids":["https://openalex.org/I141766778"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5097690522"],"corresponding_institution_ids":["https://openalex.org/I141766778"],"apc_list":{"value":4780,"currency":"USD","value_usd":4780},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":95},"biblio":{"volume":"53","issue":"4","first_page":"326","last_page":"337"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.6963000297546387,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"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/T10098","display_name":"Ruminant Nutrition and Digestive Physiology","score":0.6963000297546387,"subfield":{"id":"https://openalex.org/subfields/1103","display_name":"Animal Science and Zoology"},"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/T13591","display_name":"Pasture and Agricultural Systems","score":0.1080000028014183,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.08110000193119049,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/potassium-fertilization","display_name":"potassium fertilization","score":0.8629999756813049},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9940000176429749},{"id":"https://openalex.org/keywords/ryegrass","display_name":"ryegrass","score":0.7910000085830688},{"id":"https://openalex.org/keywords/grassland","display_name":"grassland","score":0.6499999761581421},{"id":"https://openalex.org/keywords/ensiling","display_name":"silage fermentation","score":0.9369999766349792},{"id":"https://openalex.org/keywords/dry-matter-recovery","display_name":"dry matter recovery","score":0.9860000014305115},{"id":"https://openalex.org/keywords/feeding-value","display_name":"feed value","score":0.6660000085830688},{"id":"https://openalex.org/keywords/herbage-yield","display_name":"herbage yield","score":0.6850000023841858},{"id":"https://openalex.org/keywords/herbage-chemical-composition","display_name":"herbage chemical composition","score":0.8989999890327454},{"id":"https://openalex.org/keywords/harvest-timing","display_name":"harvest time","score":0.7369999885559082},{"id":"https://openalex.org/keywords/in-vitro-digestibility","display_name":"in vitro digestibility","score":0.7210000157356262},{"id":"https://openalex.org/keywords/nitrogen-application-rate","display_name":"nitrogen application rate","score":0.6430000066757202},{"id":"https://openalex.org/keywords/potassium-to-nitrogen-ratio","display_name":"potassium to nitrogen ratio","score":0.45899999141693115}],"concepts":[{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.8102307915687561},{"id":"https://openalex.org/C2776544680","wikidata":"https://www.wikidata.org/wiki/Q660071","display_name":"Silage","level":2,"score":0.7758581638336182},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.6468064785003662},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.6278551816940308},{"id":"https://openalex.org/C517785266","wikidata":"https://www.wikidata.org/wiki/Q703","display_name":"Potassium","level":2,"score":0.5584092736244202},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5422019362449646},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.508674681186676},{"id":"https://openalex.org/C12534583","wikidata":"https://www.wikidata.org/wiki/Q10564271","display_name":"Potash","level":3,"score":0.5015935897827148},{"id":"https://openalex.org/C147455438","wikidata":"https://www.wikidata.org/wiki/Q1057706","display_name":"Effluent","level":2,"score":0.5003542900085449},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.49031880497932434},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.46874597668647766},{"id":"https://openalex.org/C144938864","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Randomized block design","level":2,"score":0.45141130685806274},{"id":"https://openalex.org/C100544194","wikidata":"https://www.wikidata.org/wiki/Q41760","display_name":"Fermentation","level":2,"score":0.44141197204589844},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.4166116714477539},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2596837282180786},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.17037710547447205},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.10102644562721252},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.0},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1046/j.1365-2494.1998.00136.x","doi":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","is_oa":false,"landing_page_url":"https://doi.org/10.1046/j.1365-2494.1998.00136.x","pdf_url":null,"source":{"id":"https://openalex.org/S74357050","display_name":"Grass and Forage Science","issn_l":"0142-5242","issn":["0142-5242","1365-2494"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-100","russia-white-list-1"],"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":"Grass and Forage Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W1963516034","https://openalex.org/W1972781989","https://openalex.org/W1994009279","https://openalex.org/W2001812510","https://openalex.org/W2005300163","https://openalex.org/W2013747748","https://openalex.org/W2039238464","https://openalex.org/W2058757388","https://openalex.org/W2062250502","https://openalex.org/W2070522650","https://openalex.org/W2097142234","https://openalex.org/W2124193510","https://openalex.org/W2138277313","https://openalex.org/W2141202444","https://openalex.org/W2148812366","https://openalex.org/W2158243975","https://openalex.org/W2477657641","https://openalex.org/W2510998493","https://openalex.org/W2513848015"],"related_works":["https://openalex.org/W2058757388","https://openalex.org/W2165515395","https://openalex.org/W3174762935","https://openalex.org/W2162970553","https://openalex.org/W2158243975","https://openalex.org/W2108454913","https://openalex.org/W2271761092","https://openalex.org/W2071449382","https://openalex.org/W2048442639","https://openalex.org/W1965793321"],"abstract_inverted_index":{"The":[0,236],"effects":[1],"of":[2,4,6,46,60,211,220,238,279,313,341,358,368,381,415,421,428],"levels":[3],"application":[5,24,268,361,384,418,424,431,446,468],"potassium":[7],"(K)":[8],"fertilizer,":[9],"and":[10,18,25,31,34,42,97,118,139,153,160,169,176,189,201,234,247,276,290,296,303,315,329,336,352,408,461,485,487,490],"its":[11],"interactions":[12,425,435],"with":[13,400],"both":[14],"nitrogen":[15],"(N)":[16],"fertilizer":[17,23,213,267,360,383,402,417,423,430,445,467],"the":[19,35,86,128,178,196,209,217,221,230,277,311,318,323,342,356,365,371,375,379,478,492],"growth":[20,373],"interval":[21],"between":[22],"harvesting":[26,319,476],"on":[27,90,244,251,436,458,496],"ryegrass":[28],"herbage":[29,131,145,161,181,222,369,483],"yield":[30,397,484],"chemical":[32,218,324,366],"composition,":[33,486],"fermentation,":[36],"predicted":[37,388,440],"feeding":[38,389,441,462,498],"value,":[39,390],"effluent":[40,263,291,394],"production":[41],"dry\u2010matter":[43],"(DM)":[44],"recovery":[45,261,392],"silage":[47,245,270,437,459,488,497],"were":[48,119,134,148,164,184,232,412],"evaluated":[49],"in":[50,58,105,255],"a":[51,123,226,454],"randomized":[52],"block":[53],"design":[54],"experiment.":[55],"Twenty":[56],"plots":[57,87,112],"each":[59,75],"four":[61],"replicate":[62],"blocks":[63],"received":[64,113],"either":[65,77,91],"0,":[66,197],"60,":[67,198],"120,":[68,199],"180":[69,200],"or":[70,79,94,262,374,393,426,439],"240":[71,202,472],"kg":[72,81,115,451,473],"K":[73,146,204,212,239,351,359,382,403,416,429,466],"ha\u22121,":[74,144],"at":[76,223],"120":[78,448],"168":[80,450],"N":[82,116,266,286,422,444],"ha\u22121.":[83,474],"Herbage":[84,396],"from":[85,370,447,469],"was":[88,477],"harvested":[89,120],"24":[92],"May":[93],"8":[95],"June":[96],"ensiled":[98],"(6":[99],"kg)":[100],"unwilted,":[101],"without":[102],"additive":[103],"treatment,":[104],"laboratory":[106],"silos.":[107],"Immediately":[108],"after":[109,122],"harvesting,":[110],"all":[111],"95":[114],"ha\u22121":[117,194,205,452],"again":[121],"49\u2010day":[124],"regrowth":[125,180],"interval.":[126],"From":[127],"primary":[129,179,372],"growth,":[130],"DM":[132,159,182,257,260,391],"yields":[133,183],"6\u00b731,":[135],"6\u00b757,":[136],"6\u00b774,":[137],"6\u00b793":[138,140],"(s.e.":[141,155,171,191],"0\u00b7091)":[142],"t":[143,193],"concentrations":[147,163,278,312],"15\u00b75,":[149],"16\u00b72,":[150],"19\u00b71,":[151],"22\u00b74":[152],"26\u00b71":[154],"1\u00b706)":[156],"g":[157,173,203],"kg\u22121":[158,174],"ash":[162,353],"57,":[165],"63,":[166],"71,":[167],"73":[168],"76":[170],"0\u00b79)":[172],"DM,":[175],"for":[177,195,310,350,406],"2\u00b756,":[185],"2\u00b773,":[186],"2\u00b783,":[187],"2\u00b794":[188],"2\u00b799":[190],"0\u00b7056)":[192],"treatments":[206],"respectively.":[207],"Otherwise,":[208],"level":[210,237,357,380,414,420,427],"did":[214,362,385],"not":[215,363,386],"alter":[216,364],"composition":[219,325,367,460,489],"ensiling.":[224],"After":[225],"120\u2010day":[227],"fermentation":[228,246,438],"period":[229],"silos":[231],"opened":[233],"sampled.":[235],"fertilization":[240],"had":[241,248,453,491],"little":[242],"effect":[243,250,457,495],"no":[249,413],"estimated":[252],"intake":[253,304,331],"potential,":[254],"vitro":[256],"digestibility":[258],"(DMD),":[259],"production.":[264,395],"Increasing":[265,443],"increased":[269,398,401],"buffering":[271],"capacity":[272],"(P":[273,282,287,293,300,306,326,333,338],"<":[274,283,288,294,301,307,327,334,339],"0\u00b705)":[275,302],"crude":[280],"protein":[281],"0\u00b7001),":[284],"ammonia":[285],"0\u00b701)":[289],"volume":[292],"0\u00b701),":[295],"decreased":[297,330],"ethanol":[298,409],"concentration":[299],"potential":[305,332],"0\u00b705).":[308],"Except":[309,405],"lactate":[314],"butyrate,":[316],"delaying":[317],"date":[320,434],"deleteriously":[321],"changed":[322],"0\u00b7001)":[328,335,340],"DMD":[337],"silages.":[343],"It":[344],"is":[345],"concluded":[346],"that,":[347],"other":[348],"than":[349,464],"concentration,":[354],"increasing":[355,465],"resultant":[376],"silage.":[377],"Also,":[378],"affect":[387],"linearly":[399],"application.":[404],"acetate":[407],"concentrations,":[410],"there":[411],"by":[419,432],"harvest":[433],"value.":[442,499],"to":[449,471],"more":[455],"deleterious":[456,494],"value":[463],"0":[470],"Delaying":[475],"most":[479,493],"important":[480],"factor":[481],"affecting":[482]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}
