{"id":"https://openalex.org/W2071197490","doi":"https://doi.org/10.2134/agronj1995.00021962008700050039x","title":"Planting and Harvest Date Effects on Productivity and Root/Shoot Quotient of Four Brassica Cultivars","display_name":"Planting and Harvest Date Effects on Productivity and Root/Shoot Quotient of Four Brassica Cultivars","publication_year":1995,"publication_date":"1995-09-01","ids":{"openalex":"https://openalex.org/W2071197490","doi":"https://doi.org/10.2134/agronj1995.00021962008700050039x","mag":"2071197490"},"language":"en","primary_location":{"id":"doi:10.2134/agronj1995.00021962008700050039x","doi":"https://doi.org/10.2134/agronj1995.00021962008700050039x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1995.00021962008700050039x","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/A5109942926","display_name":"Gerald A. Jung","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Gerald A. Jung","raw_affiliation_strings":["USDA\u2010ARS, Pasture Systems and Watershed Management Res. Curtin Rd. University Park PA 16802"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USDA\u2010ARS, Pasture Systems and Watershed Management Res. Curtin Rd. University Park PA 16802","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110165497","display_name":"John A. Shaffer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"John A. Shaffer","raw_affiliation_strings":["USDA\u2010ARS, Pasture Systems and Watershed Management Res. Curtin Rd. University Park PA 16802"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USDA\u2010ARS, Pasture Systems and Watershed Management Res. Curtin Rd. University Park PA 16802","institution_ids":["https://openalex.org/I1312222531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5110165497"],"corresponding_institution_ids":["https://openalex.org/I1312222531"],"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":0.29343387,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"87","issue":"5","first_page":"1004","last_page":"1010"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.35010001063346863,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.35010001063346863,"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/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.29589998722076416,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.23270000517368317,"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/turnip","display_name":"turnip","score":0.9459999799728394},{"id":"https://openalex.org/keywords/brassica-rapa","display_name":"Brassica rapa","score":0.9959999918937683},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.8930000066757202},{"id":"https://openalex.org/keywords/harvest-timing","display_name":"harvest time","score":1.0},{"id":"https://openalex.org/keywords/root-yield","display_name":"root yield","score":0.8820000290870667},{"id":"https://openalex.org/keywords/cultivar-comparison","display_name":"cultivar comparison","score":0.6299999952316284},{"id":"https://openalex.org/keywords/alternaria-leaf-spot","display_name":"Alternaria leaf spot","score":0.9240000247955322},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"resource allocation","score":0.7789999842643738}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.9070591926574707},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.7546869516372681},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6676000356674194},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.6004249453544617},{"id":"https://openalex.org/C2993030687","wikidata":"https://www.wikidata.org/wiki/Q3384","display_name":"Brassica rapa","level":3,"score":0.5952720046043396},{"id":"https://openalex.org/C2776747608","wikidata":"https://www.wikidata.org/wiki/Q58677","display_name":"Brassica","level":2,"score":0.5849950909614563},{"id":"https://openalex.org/C113578266","wikidata":"https://www.wikidata.org/wiki/Q1131303","display_name":"Loam","level":3,"score":0.5562086701393127},{"id":"https://openalex.org/C2781451354","wikidata":"https://www.wikidata.org/wiki/Q6508901","display_name":"Leafy","level":2,"score":0.5056264400482178},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4737492501735687},{"id":"https://openalex.org/C144938864","wikidata":"https://www.wikidata.org/wiki/Q4927286","display_name":"Randomized block design","level":2,"score":0.43949127197265625},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.4346274435520172},{"id":"https://openalex.org/C21410773","wikidata":"https://www.wikidata.org/wiki/Q220869","display_name":"Shoot","level":2,"score":0.42402833700180054},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3580336272716522},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.16771531105041504},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2134/agronj1995.00021962008700050039x","doi":"https://doi.org/10.2134/agronj1995.00021962008700050039x","is_oa":false,"landing_page_url":"https://doi.org/10.2134/agronj1995.00021962008700050039x","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":[{"display_name":"Zero hunger","score":1.0,"id":"https://metadata.un.org/sdg/2"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320310419","display_name":"Pennsylvania State University","ror":"https://ror.org/04p491231"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2025306472","https://openalex.org/W2114825660","https://openalex.org/W2106888640","https://openalex.org/W7025321580","https://openalex.org/W2068341295","https://openalex.org/W61070193","https://openalex.org/W7097760568","https://openalex.org/W2011513216","https://openalex.org/W2561802073","https://openalex.org/W2042713668"],"abstract_inverted_index":{"Abstract":[0],"Summer\u2010planted":[1],"turnip":[2,49],"(Brassica":[3],"rapa":[4],"L.)":[5],"is":[6],"a":[7,55,75,86,285],"highly":[8],"productive":[9],"crop,":[10],"and":[11,20,37,43,54,98,139,156,172,186,215,235,257,267],"may":[12],"allow":[13],"farmers":[14],"to":[15,30,102,181],"extend":[16],"the":[17,32,168,265,271],"grazing":[18],"season":[19],"lower":[21],"animal":[22],"production":[23,188,279],"costs.":[24],"A":[25],"field":[26],"study":[27],"was":[28,131,251],"conducted":[29],"determine":[31],"influence":[33],"of":[34,45,122,153,167,176,207,288],"planting":[35,80,90,110,127,154,177,208],"date":[36,39,91,129,155,158,197],"harvest":[38,104,157,196],"on":[40,64,109,159,163],"morphological":[41,160],"development":[42,161],"productivity":[44],"leafy":[46],"plants":[47],"like":[48],"in":[50,62,85,113,190,213,232,237],"late":[51,179,182,233,238],"fall.":[52],"Turnip":[53,275],"spinach":[56],"\u2715":[57,82],"mustard":[58],"hybrid":[59],"were":[60,106,227],"seeded":[61],"rows":[63],"Hagerstown":[65],"silt":[66],"loam":[67],"soil":[68],"(fine,":[69],"mixed,":[70],"mesic":[71],"Typic":[72],"Hapludalfs),":[73],"using":[74],"factorial":[76,117],"treatment":[77,118],"structure":[78],"(6":[79],"dates":[81,105],"4":[83],"cultivars)":[84],"split\u2010plot":[87],"design,":[88],"with":[89,125,143,284],"as":[92,96],"whole":[93],"plot,":[94],"cultivar":[95,169],"subplot,":[97],"four":[99],"replicates.":[100],"Three":[101],"six":[103],"used,":[107],"depending":[108],"date,":[111],"resulting":[112],"an":[114],"overall":[115],"incomplete":[116],"structure.":[119],"Mean":[120],"yield":[121,202,246],"all":[123],"cultivars":[124],"optimal":[126],"date\u2010harvest":[128],"combinations":[130],"11.5":[132],"Mg":[133,141],"ha\u22121":[134,142],"without":[135],"severe":[136],"foliar":[137],"disease":[138],"9.7":[140],"alternaria":[144],"leaf":[145],"spot":[146],"(caused":[147],"by":[148,248,253,259],"Alternaria":[149],"spp.).":[150],"The":[151],"interaction":[152],"depended":[162],"resource":[164],"allocation":[165],"characteristics":[166],"for":[170,198,229,281],"top":[171,185,201,219],"root":[173,187,249],"production.":[174],"Delay":[175],"from":[178],"July":[180,234],"August":[183],"decreased":[184,258],"more":[189],"1990":[191],"than":[192],"1989.":[193],"An":[194],"optimum":[195],"maximizing":[199],"fall":[200,261],"occurred":[203],"each":[204],"year":[205],"regardless":[206],"date.":[209],"Root":[210],"yields":[211,220,226],"increased":[212,252],"November":[214],"early":[216,241],"December,":[217],"whereas":[218],"did":[221],"not.":[222],"In":[223],"general,":[224],"total":[225],"high":[228,278],"crops":[230],"planted":[231],"harvested":[236],"October":[239],"or":[240],"November.":[242],"Top/root":[243],"quotient":[244],"(top":[245],"divided":[247],"yield)":[250],"delaying":[254,260],"summer":[255],"planting,":[256],"harvest.":[262],"Savanna":[263],"had":[264,270],"highest,":[266],"Purple":[268],"Top":[269],"lowest":[272],"top/root":[273,289],"quotient.":[274],"offers":[276],"very":[277],"potential":[280],"late\u2010fall":[282],"grazing,":[283],"wide":[286],"range":[287],"yields.":[290]},"counts_by_year":[{"year":2021,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}