{"id":"https://openalex.org/W2007344513","doi":"https://doi.org/10.1017/s0021859600016889","title":"The effect of sowing date and harvesting date on the yield of sugar beet","display_name":"The effect of sowing date and harvesting date on the yield of sugar beet","publication_year":1970,"publication_date":"1970-10-01","ids":{"openalex":"https://openalex.org/W2007344513","doi":"https://doi.org/10.1017/s0021859600016889","mag":"2007344513"},"language":"en","primary_location":{"id":"doi:10.1017/s0021859600016889","doi":"https://doi.org/10.1017/s0021859600016889","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859600016889","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural 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/A5077364527","display_name":"R. Hull","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. Hull","raw_affiliation_strings":["Broom's Barn Experimental Station. Higham, Bury St. Edmunds. Suffolk"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broom's Barn Experimental Station. Higham, Bury St. Edmunds. Suffolk","institution_ids":[]}]},{"author_position":"last","author":{"id":null,"display_name":"D. J. Webb","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"D. J. Webb","raw_affiliation_strings":["Broom's Barn Experimental Station. Higham, Bury St. Edmunds. Suffolk"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Broom's Barn Experimental Station. Higham, Bury St. Edmunds. Suffolk","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3550,"currency":"USD","value_usd":3550},"apc_paid":null,"fwci":17.893,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.98405219,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"75","issue":"2","first_page":"223","last_page":"229"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.3181000053882599,"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/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.3181000053882599,"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/T13628","display_name":"Agricultural Productivity and Crop Improvement","score":0.20810000598430634,"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":0.1526000052690506,"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/sugar-beet","display_name":"sugar beet","score":1.0},{"id":"https://openalex.org/keywords/sowing-date","display_name":"sowing date","score":0.9980000257492065},{"id":"https://openalex.org/keywords/harvest-timing","display_name":"harvest time","score":0.9779999852180481},{"id":"https://openalex.org/keywords/sugar-yield","display_name":"sugar yield","score":0.9589999914169312},{"id":"https://openalex.org/keywords/growing-season","display_name":"growing season","score":0.7710000276565552},{"id":"https://openalex.org/keywords/crop-yield-response","display_name":"crop yield response","score":0.35899999737739563}],"concepts":[{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.8865870833396912},{"id":"https://openalex.org/C2776936025","wikidata":"https://www.wikidata.org/wiki/Q151964","display_name":"Sugar beet","level":2,"score":0.884807825088501},{"id":"https://openalex.org/C2777108408","wikidata":"https://www.wikidata.org/wiki/Q11002","display_name":"Sugar","level":2,"score":0.8549388647079468},{"id":"https://openalex.org/C48508581","wikidata":"https://www.wikidata.org/wiki/Q4675074","display_name":"Acre","level":2,"score":0.8264424800872803},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.7323718667030334},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.49781346321105957},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.4153482913970947},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.4063638150691986},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.38103604316711426},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.37729060649871826},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.06953981518745422},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.06691166758537292},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1017/s0021859600016889","doi":"https://doi.org/10.1017/s0021859600016889","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859600016889","pdf_url":null,"source":{"id":"https://openalex.org/S12429487","display_name":"The Journal of Agricultural Science","issn_l":"0021-8596","issn":["0021-8596","1469-5146"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","jufo-2","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310311721","host_organization_name":"Cambridge University Press","host_organization_lineage":["https://openalex.org/P4310311721","https://openalex.org/P4310311702"],"host_organization_lineage_names":["Cambridge University Press","University of Cambridge"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Journal of Agricultural Science","raw_type":"journal-article"},{"id":"pmh:oai:repository.rothamsted.ac.uk:28485","doi":null,"is_oa":false,"landing_page_url":"https://repository.rothamsted.ac.uk/id/eprint/28485/1/the-effect-of-sowing-date-and-harvesting-date-on-the-yield-of-sugar-beet.pdf","pdf_url":"https://repository.rothamsted.ac.uk/id/eprint/28485/1/the-effect-of-sowing-date-and-harvesting-date-on-the-yield-of-sugar-beet.pdf","source":{"id":"https://openalex.org/S4306402645","display_name":"Rothamsted Repository (Rothamsted Repository)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I2799553609","host_organization_name":"Rothamsted Research","host_organization_lineage":["https://openalex.org/I2799553609"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.9208999872207642,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W288152065","https://openalex.org/W1161071706","https://openalex.org/W1610015636","https://openalex.org/W1967580301","https://openalex.org/W1973932835","https://openalex.org/W2329460257","https://openalex.org/W2588942255","https://openalex.org/W6627543582"],"related_works":["https://openalex.org/W2104629513","https://openalex.org/W857433218","https://openalex.org/W1980944764","https://openalex.org/W2554430606","https://openalex.org/W2150218998","https://openalex.org/W2033682088","https://openalex.org/W4302830816","https://openalex.org/W3017484671","https://openalex.org/W2953542966","https://openalex.org/W7047795645"],"abstract_inverted_index":{"SUMMARY":[0],"A":[1],"field":[2],"experiment":[3],"in":[4,10,42,131,136,145,150,220],"each":[5],"year":[6],"1963":[7],"to":[8,28,38,139,167,214],"1967":[9],"Suffolk,":[11],"England,":[12],"tested":[13],"the":[14,65,99,104,173,211],"effect":[15,153,198],"on":[16,154,199],"yield":[17,56,77,156],"of":[18,21,50,80,84,89,117,126,129,143,157,160,186],"sugar":[19,51,97,130,155,200,207],"beet":[20],"sowing":[22,189,194],"dates":[23,33],"ranging":[24,34],"from":[25,35,165],"13":[26],"March":[27,43],"11":[29],"May":[30],"and":[31,133,147,190,217],"harvest":[32,95,213],"20":[36],"September":[37],"8":[39],"December.":[40],"Sowings":[41],"or":[44],"early":[45],"April":[46],"gave":[47],"similar":[48],"yields":[49],"but":[52],"with":[53,225],"later":[54],"sowings":[55],"decreased":[57,224],"progressively":[58],"faster.":[59],"The":[60,152],"relationship":[61,100],"is":[62,101,170],"represented":[63,102,171],"by":[64,103,172],"equation":[66,105,174],"y":[67,75,106,175],"=":[68,76,87,107,115,176,184],"106\u00b73":[69],"(\u00b12\u00b724)":[70],"+":[71,110,179],"0\u00b7212":[72],"(\u00b10\u00b7184)x-0\u00b7009":[73],"(\u00b10\u00b7003)x2,":[74],"as":[78],"percentage":[79,201,208],"mean":[81],"(60\u00b71":[82],"cwt/acre":[83],"sugar),":[85],"x":[86],"number":[88,116,185],"days":[90,118,187],"after":[91,119,210],"12":[92],"March.":[93],"Delayed":[94],"increased":[96,209],"yield;":[98],"80\u00b722":[108],"(\u00b11\u00b751)":[109],"0\u00b7836":[111],"(\u00b10\u00b709)z-0\u00b7006":[112],"(\u00b10\u00b7001)z2,":[113],"z":[114],"19":[120],"September.":[121],"This":[122],"represents":[123],"an":[124],"increase":[125],"0\u00b7247":[127],"cwt/acre/day":[128,135],"October":[132,146],"0\u00b7083":[134],"November,":[137],"equivalent":[138],"about":[140],"2\u00bd":[141],"tons/acre":[142],"roots":[144],"1":[148],"ton/acre":[149],"November.":[151],"different":[158],"lengths":[159],"growing":[161],"period,":[162],"which":[163],"ranged":[164],"138":[166],"271":[168],"days,":[169],"38\u00b77":[177],"(\u00b126\u00b76)":[178],"1\u00b7045":[180],"(\u00b10\u00b7267)a-0\u00b70017":[181],"(\u00b10\u00b70007)a2,":[182],"a":[183,215],"between":[188],"harvest.":[191,203],"On":[192],"average,":[193],"date":[195],"had":[196],"negligible":[197],"at":[202],"In":[204],"3":[205],"years":[206,222],"first":[212],"maximum":[216],"then":[218],"decreased;":[219],"2":[221],"it":[223],"consecutive":[226],"harvests.":[227]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}
