{"id":"https://openalex.org/W2336461667","doi":null,"title":"The effects of nitrogen management and cultivar on the yield, total protein and amino acid composition of feed barley","display_name":"The effects of nitrogen management and cultivar on the yield, total protein and amino acid composition of feed barley","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W2336461667","mag":"2336461667"},"language":"en","primary_location":{"id":"mag:2336461667","doi":null,"is_oa":false,"landing_page_url":"https://www.agronomysociety.org.nz/uploads/94803/files/1998_8._Effects_of_N_on_feed_barley.pdf","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/A5089553139","display_name":"John M. de Ruiter","orcid":"https://orcid.org/0000-0001-6995-058X","observed_orcids":["https://orcid.org/0000-0001-6995-058X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. M. de Ruiter","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111589408","display_name":"Kerry A. C. James","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"K. A. C. James","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058298385","display_name":"J. V. Jobnstone","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. V. Jobnstone","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5035444839","display_name":"M. B. Rea","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. B. Rea","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":1.1334,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.77093207,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.7451000213623047,"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":0.7451000213623047,"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/T10733","display_name":"Wheat and Barley Genetics and Pathology","score":0.1136000007390976,"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":0.07150000333786011,"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/barley","display_name":"barley","score":0.7889999747276306},{"id":"https://openalex.org/keywords/nitrogen-fertiliser","display_name":"nitrogen fertiliser","score":0.7889999747276306},{"id":"https://openalex.org/keywords/cultivar-effects","display_name":"cultivar effects","score":0.8690000176429749},{"id":"https://openalex.org/keywords/grain-protein-content","display_name":"grain protein content","score":0.8989999890327454},{"id":"https://openalex.org/keywords/amino-acid-composition","display_name":"amino acid composition","score":0.9990000128746033},{"id":"https://openalex.org/keywords/protein-quality","display_name":"protein quality","score":0.781000018119812},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.824999988079071},{"id":"https://openalex.org/keywords/nitrogen-uptake","display_name":"nitrogen uptake","score":0.8700000047683716},{"id":"https://openalex.org/keywords/split-nitrogen-application","display_name":"split nitrogen application","score":0.8220000267028809},{"id":"https://openalex.org/keywords/site-variation","display_name":"site variation","score":0.6389999985694885},{"id":"https://openalex.org/keywords/feed-barley","display_name":"feed barley","score":0.5550000071525574},{"id":"https://openalex.org/keywords/growing-pigs","display_name":"growing pigs","score":0.5649999976158142},{"id":"https://openalex.org/keywords/growing-chickens","display_name":"growing chickens","score":0.6579999923706055}],"concepts":[{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.85252845287323},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.7620974183082581},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6195463538169861},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5997662544250488},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.5721898674964905},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5275801420211792},{"id":"https://openalex.org/C515207424","wikidata":"https://www.wikidata.org/wiki/Q8066","display_name":"Amino acid","level":2,"score":0.5268142223358154},{"id":"https://openalex.org/C2777560085","wikidata":"https://www.wikidata.org/wiki/Q25105257","display_name":"Protein quality","level":2,"score":0.5025773048400879},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.46111181378364563},{"id":"https://openalex.org/C2778816673","wikidata":"https://www.wikidata.org/wiki/Q245282","display_name":"Essential amino acid","level":3,"score":0.42280787229537964},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.38234639167785645},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3411157429218292},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.27308931946754456},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.09337612986564636},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.05202531814575195},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"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/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"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:2336461667","doi":null,"is_oa":false,"landing_page_url":"https://www.agronomysociety.org.nz/uploads/94803/files/1998_8._Effects_of_N_on_feed_barley.pdf","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":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":1.0}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1484221965","https://openalex.org/W2008191392","https://openalex.org/W2032769137","https://openalex.org/W2046318120","https://openalex.org/W2056803656","https://openalex.org/W2075415141","https://openalex.org/W2076949656","https://openalex.org/W2085086221","https://openalex.org/W2085104288","https://openalex.org/W2120543471","https://openalex.org/W2781978391","https://openalex.org/W2977297809"],"related_works":["https://openalex.org/W2108435135","https://openalex.org/W2061426796","https://openalex.org/W2046318120","https://openalex.org/W349152066","https://openalex.org/W1969713166","https://openalex.org/W2015399374","https://openalex.org/W2121368935","https://openalex.org/W2118763540","https://openalex.org/W3115834151","https://openalex.org/W2348230852"],"abstract_inverted_index":{"Variation":[0],"in":[1,21,52,111,211,223],"the":[2,28,50,67,107,117,147,157,163,212],"total":[3,213],"protein":[4,19,158,181,215],"content":[5,102,159],"of":[6,18,23,131,140,149,165],"barley":[7],"grain":[8,53,70,100,134,175,214],"can":[9],"be":[10],"attributed":[11],"to":[12,48,86],"environmental":[13],"and":[14,42,55,61,103,137,160,174,189,228],"genetic":[15],"effects.":[16],"Characterisation":[17],"quality":[20,56],"terms":[22],"amino":[24,32,113,141,166],"acid":[25,114],"composition,":[26],"especially":[27],"essential":[29],"or":[30],"limiting":[31],"acids,":[33],"is":[34],"important":[35,221],"when":[36],"formulating":[37],"diets":[38],"for":[39,225],"growing":[40],"pigs":[41],"chickens.":[43],"Two":[44],"experiments":[45],"were":[46],"conducted":[47],"determine":[49],"variation":[51,79],"yield":[54,176,195,227],"caused":[57],"by":[58],"location,":[59],"cultivar":[60],"nitrogen":[62],"(N)":[63],"fertiliser":[64,155,185],"application.":[65],"In":[66,116],"first":[68],"experiment,":[69,119],"N":[71,101,135,150,172,184],"did":[72],"not":[73],"differ":[74],"among":[75],"four":[76],"cultivars,":[77],"but":[78],"between":[80],"nine":[81],"sites":[82,91],"was":[83,92,144,205,219],"large":[84],"(1.37":[85],"1.94%).":[87],"Cultivar":[88,217],"ranking":[89],"within":[90],"consistent.":[93],"The":[94],"cv.":[95,104,120,128],"Nugget":[96,121],"invariably":[97],"had":[98,106,122,191],"highest":[99],"Dash":[105,129],"lowest.":[108],"Cultivars":[109],"differed":[110],"their":[112],"composition.":[115],"second":[118],"a":[123,198,206],"better":[124],"feed":[125],"value":[126],"than":[127],"because":[130],"its":[132],"higher":[133],"concentration":[136,164],"improved":[138,156,226],"complement":[139],"acids.":[142,167],"This":[143],"consistent":[145],"over":[146],"range":[148],"applied":[151],"(0-160":[152],"kg/ha).":[153],"Nitrogen":[154],"generally":[161],"increased":[162,171],"It":[168],"also":[169],"significantly":[170],"uptake":[173],"as":[177,179],"well":[178],"improving":[180],"quality.":[182,229],"Split":[183],"applications":[186],"at":[187,201],"sowing":[188],"tillering":[190],"no":[192],"effect":[193],"on":[194],"compared":[196],"with":[197],"single":[199],"application":[200],"sowing,":[202],"although":[203],"there":[204],"small":[207],"significant":[208],"(P<0.05)":[209],"improvement":[210],"content.":[216],"choice":[218],"an":[220],"factor":[222],"management":[224]},"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}