{"id":"https://openalex.org/W2060025124","doi":"https://doi.org/10.1080/03015521.1982.10427880","title":"Soybeans in Northland: Seeding rate for 15 cm row spacing","display_name":"Soybeans in Northland: Seeding rate for 15 cm row spacing","publication_year":1982,"publication_date":"1982-07-01","ids":{"openalex":"https://openalex.org/W2060025124","doi":"https://doi.org/10.1080/03015521.1982.10427880","mag":"2060025124"},"language":"en","primary_location":{"id":"doi:10.1080/03015521.1982.10427880","doi":"https://doi.org/10.1080/03015521.1982.10427880","is_oa":false,"landing_page_url":"https://doi.org/10.1080/03015521.1982.10427880","pdf_url":null,"source":{"id":"https://openalex.org/S107104467","display_name":"New Zealand Journal of Crop and Horticultural Science","issn_l":"0114-0671","issn":["0114-0671","1175-8783"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Zealand Journal of Crop and Horticultural 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/A5032329876","display_name":"G. J. Piggot","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. J. Piggot","raw_affiliation_strings":["Agricultural Research Division Ministry of Agriculture and Fisheries , Private Bag, Whangarei , New Zealand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricultural Research Division Ministry of Agriculture and Fisheries , Private Bag, Whangarei , New Zealand","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"C. A. Farrell","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. A. Farrell","raw_affiliation_strings":["Agricultural Research Division Ministry of Agriculture and Fisheries , Private Bag, Auckland , New Zealand"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricultural Research Division Ministry of Agriculture and Fisheries , Private Bag, Auckland , New Zealand","institution_ids":[]}]}],"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":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"10","issue":"3","first_page":"265","last_page":"268"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12571","display_name":"Soybean genetics and cultivation","score":0.9916999936103821,"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/T12571","display_name":"Soybean genetics and cultivation","score":0.9916999936103821,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.00800000037997961,"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/T12792","display_name":"Soil Management and Crop Yield","score":9.999999747378752e-05,"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/soybean","display_name":"soybean","score":0.824999988079071},{"id":"https://openalex.org/keywords/seeding-rate","display_name":"seeding rate","score":0.9139999747276306},{"id":"https://openalex.org/keywords/narrow-row-spacing","display_name":"narrow row spacing","score":0.7919999957084656},{"id":"https://openalex.org/keywords/plant-population","display_name":"plant population","score":0.9660000205039978},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.9229999780654907},{"id":"https://openalex.org/keywords/pods-per-plant","display_name":"pods per plant","score":0.5720000267028809},{"id":"https://openalex.org/keywords/internode-length","display_name":"internode length","score":0.7770000100135803},{"id":"https://openalex.org/keywords/cultivar-adaptation","display_name":"cultivar adaptation","score":0.8320000171661377},{"id":"https://openalex.org/keywords/weed-competition","display_name":"weed competition","score":0.5649999976158142},{"id":"https://openalex.org/keywords/northland","display_name":"Northland","score":0.6850000023841858}],"concepts":[{"id":"https://openalex.org/C36248471","wikidata":"https://www.wikidata.org/wiki/Q7445669","display_name":"Seeding","level":2,"score":0.9672374725341797},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.7504568099975586},{"id":"https://openalex.org/C137776501","wikidata":"https://www.wikidata.org/wiki/Q7208270","display_name":"Point of delivery","level":2,"score":0.7423434257507324},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6870713233947754},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.638331413269043},{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.540679931640625},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5248520374298096},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5119989514350891},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4012056887149811},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"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":"doi:10.1080/03015521.1982.10427880","doi":"https://doi.org/10.1080/03015521.1982.10427880","is_oa":false,"landing_page_url":"https://doi.org/10.1080/03015521.1982.10427880","pdf_url":null,"source":{"id":"https://openalex.org/S107104467","display_name":"New Zealand Journal of Crop and Horticultural Science","issn_l":"0114-0671","issn":["0114-0671","1175-8783"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"New Zealand Journal of Crop and Horticultural Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W283917300","https://openalex.org/W338063973","https://openalex.org/W1998337450","https://openalex.org/W2025548276","https://openalex.org/W2028798626","https://openalex.org/W2040634597","https://openalex.org/W2064211352","https://openalex.org/W2066938500","https://openalex.org/W2077293969","https://openalex.org/W2318557215","https://openalex.org/W2795919210","https://openalex.org/W3207994650"],"related_works":["https://openalex.org/W2025548276","https://openalex.org/W2005738995","https://openalex.org/W2006524429","https://openalex.org/W1998337450","https://openalex.org/W2066938500","https://openalex.org/W2573899773","https://openalex.org/W1974804030","https://openalex.org/W2081962739","https://openalex.org/W3023703129","https://openalex.org/W1990361435"],"abstract_inverted_index":{"Abstract":[0],"Soybeans":[1],"(full\u2010season":[2],"cultivars":[3],"Amsoy":[4,127],"and":[5,48,58,90,119],"Wayne)":[6],"were":[7,46,62],"sown":[8],"in":[9,14,21,25,29,55,72,86],"narrow":[10],"(15":[11],"em)":[12],"rows":[13],"seeding":[15,41,77],"rate":[16,42,78],"trials":[17],"on":[18,64,93],"3":[19],"sites":[20],"late":[22],"spring":[23],"1977":[24],"Northland.":[26],"Plant":[27],"populations":[28],"each":[30],"trial":[31],"ranged":[32],"from":[33],"5":[34],"to":[35],"110":[36],"plants/m":[37,114,121],"2":[38,115,117,122],".":[39],"As":[40],"was":[43,68,79,109],"increased,":[44,80],"plants":[45],"taller":[47],"displayed":[49,110,128],"greater":[50],"internode":[51],"length,":[52],"a":[53,69,83,124],"reduction":[54,71],"node":[56],"number,":[57],"the":[59,98],"first":[60],"pods":[61,73],"set":[63],"higher":[65],"nodes.":[66],"There":[67],"marked":[70],"per":[74,88],"plant":[75,104,134],"as":[76],"but":[81],"only":[82],"slight":[84],"decrease":[85],"seeds":[87],"pod":[89],"no":[91,129],"effect":[92],"seed":[94],"weight.":[95],"For":[96],"Wayne,":[97],"better":[99],"adapted":[100],"cultivar,":[101],"an":[102,132],"\u2018optimum\u2019":[103],"population":[105,135],"for":[106,136],"grain":[107,137],"yield":[108],"at":[111,116,123],"about":[112],"30":[113],"sites,":[118],"60":[120],"weedy":[125],"site.":[126],"evidence":[130],"of":[131],"optimum":[133],"yield.":[138]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}