{"id":"https://openalex.org/W2055804137","doi":"https://doi.org/10.2134/agronj1975.00021962006700060009x","title":"Response of an Early\u2010maturing Corn Hybrid to Planting Date and Population in the Northern Plains1","display_name":"Response of an Early\u2010maturing Corn Hybrid to Planting Date and Population in the Northern Plains1","publication_year":1975,"publication_date":"1975-11-01","ids":{"openalex":"https://openalex.org/W2055804137","doi":"https://doi.org/10.2134/agronj1975.00021962006700060009x","mag":"2055804137"},"language":"en","primary_location":{"id":"doi:10.2134/agronj1975.00021962006700060009x","doi":"https://doi.org/10.2134/agronj1975.00021962006700060009x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1975.00021962006700060009x","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy 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/A5000613853","display_name":"J. Alessi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J. Alessi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5109335515","display_name":"James F. Power","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210143105","display_name":"Northern Great Plains Research Laboratory","ror":"https://ror.org/0474dxd36","country_code":"US","type":"facility","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307","https://openalex.org/I4210143105","https://openalex.org/I4210145274"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"J. F. Power","raw_affiliation_strings":["Soil scientists, USDA Northern Great Plains Res. Cen., Mandan, ND 58554"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Soil scientists, USDA Northern Great Plains Res. Cen., Mandan, ND 58554","institution_ids":["https://openalex.org/I4210143105"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1800,"currency":"USD","value_usd":1800},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.26641651,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"67","issue":"6","first_page":"762","last_page":"765"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":1.0,"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":1.0,"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/T12571","display_name":"Soybean genetics and cultivation","score":0.0,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.0,"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/maize","display_name":"maize","score":0.8920000195503235},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.9950000047683716},{"id":"https://openalex.org/keywords/plant-population","display_name":"plant population","score":0.9869999885559082},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.9309999942779541},{"id":"https://openalex.org/keywords/dry-matter-yield","display_name":"dry matter yield","score":0.8870000243186951},{"id":"https://openalex.org/keywords/water-use-efficiency","display_name":"water use efficiency","score":0.8180000185966492},{"id":"https://openalex.org/keywords/soil-water-uptake","display_name":"soil water uptake","score":0.7350000143051147},{"id":"https://openalex.org/keywords/semiarid-agriculture","display_name":"semi-arid agriculture","score":0.7369999885559082},{"id":"https://openalex.org/keywords/northern-great-plains","display_name":"Northern Great Plains","score":0.671999990940094},{"id":"https://openalex.org/keywords/drought","display_name":"drought","score":0.48399999737739563}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.964573860168457},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.8125057220458984},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.7567343711853027},{"id":"https://openalex.org/C2779370140","wikidata":"https://www.wikidata.org/wiki/Q13377214","display_name":"Forage","level":2,"score":0.6086629033088684},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5324593186378479},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.5250898599624634},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.5183859467506409},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5157737731933594},{"id":"https://openalex.org/C2778824557","wikidata":"https://www.wikidata.org/wiki/Q1249093","display_name":"Semis","level":3,"score":0.46261173486709595},{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.4513099789619446},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.43362075090408325},{"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/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","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":"doi:10.2134/agronj1975.00021962006700060009x","doi":"https://doi.org/10.2134/agronj1975.00021962006700060009x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1975.00021962006700060009x","pdf_url":null,"source":{"id":"https://openalex.org/S139950591","display_name":"Agronomy Journal","issn_l":"0002-1962","issn":["0002-1962","1072-9623","1435-0645"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-1","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"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":"Agronomy Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":1.0,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2036958023","https://openalex.org/W2022590048","https://openalex.org/W2041526327","https://openalex.org/W2021761771","https://openalex.org/W2022410018","https://openalex.org/W2015102287","https://openalex.org/W2004663328","https://openalex.org/W2009255403","https://openalex.org/W4246427993","https://openalex.org/W7125979062"],"abstract_inverted_index":{"Abstract":[0],"With":[1],"the":[2,131,186,204,224,230,273],"development":[3],"of":[4,47,99,150,189,208],"extremely":[5],"early\u2010maturing":[6],"corn":[7,52,114,199,258],"(Zea":[8],"mays":[9],"L.)":[10],"cultivars,":[11],"producers":[12],"question":[13],"how":[14],"late":[15],"planting":[16,55,84,104,115,151,190,212,247],"can":[17],"be":[18,260],"delayed":[19],"in":[20,30,76,272],"semiarid":[21],"regions":[22],"without":[23,264],"adversely":[24],"affecting":[25],"yields":[26,148,157,271],"and":[27,57,73,89,92,96,106,119,126,146,155,161,164,167,173,176,191,227,269],"what":[28],"adjustments":[29],"plant":[31,58,107,136],"populations":[32],"are":[33],"necessary.":[34],"The":[35],"present":[36],"study":[37,252],"was":[38,67,138,200,221,238],"planned":[39],"to":[40,116,130,203],"acquire":[41],"further":[42],"information":[43],"on":[44],"yield":[45,123],"potential":[46],"a":[48,63,242],"short":[49],"season":[50],"hybrid":[51,66],"at":[53,69,184,192,245],"various":[54],"dates":[56,85,188],"populations.":[59,194],"At":[60],"Mandan,":[61],"N.D.,":[62],"68\u2010day":[64],"maturing":[65,257],"grown":[68],"20,000,":[70],"30,000,":[71],"40,000":[72],"60,000":[74],"plants/ha":[75,140],"100\u2010cm":[77],"row":[78],"spacing":[79],"for":[80,141,170,210,217,223,229,236,241],"2":[81],"years.":[82],"Average":[83],"were":[86],"May":[87,132,171,231],"17":[88,133,172,232],"June":[90,117,174,225],"7":[91,118,175],"28.":[93],"In":[94],"1971":[95],"1972":[97],"(years":[98],"below":[100],"normal":[101],"rainfall),":[102],"both":[103,142,185],"date":[105],"population":[108,137,244],"significantly":[109],"affected":[110],"grain":[111,122,147,156,237,270],"yields.":[112],"Delaying":[113],"28":[120,177,226],"reduced":[121],"by":[124,198],"10":[125],"30%,":[127],"respectively,":[128],"compared":[129],"planting.":[134],"Optimum":[135],"30,000":[139],"dry":[143,218,267],"matter":[144,154,219,268],"(forage)":[145],"regardless":[149],"date.":[152],"Dry":[153],"averaged":[158],"5,180,":[159],"5,120,":[160],"5,280":[162],"kg/ha,":[163],"2,120,":[165],"1,930,":[166],"1,500":[168],"kg/ha":[169],"plantings,":[178],"respectively.":[179],"Ear":[180],"water":[181,196],"content":[182],"increased":[183],"later":[187],"higher":[193],"Soil":[195],"withdrawal":[197],"generally":[201],"confined":[202],"upper":[205],"90\u2010cm":[206],"depth":[207],"soil":[209],"all":[211,246],"dates.":[213,248],"Water":[214],"use":[215],"efficiency":[216,235],"production":[220],"highest":[222],"least":[228],"plantings.":[233],"Wateruse":[234],"usually":[239],"similar":[240],"given":[243],"Results":[249],"from":[250],"this":[251],"indicate":[253],"that":[254],"an":[255],"early":[256],"may":[259],"planted":[261],"before":[262],"mid\u2010June":[263],"greatly":[265],"reducing":[266],"northern":[274],"Great":[275],"Plains.":[276]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}