{"id":"https://openalex.org/W2005333688","doi":"https://doi.org/10.1017/s0021859600025624","title":"Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: I. Yields","display_name":"Effects of nitrogen fertilizer, plant population and irrigation on sugar beet: I. Yields","publication_year":1971,"publication_date":"1971-04-01","ids":{"openalex":"https://openalex.org/W2005333688","doi":"https://doi.org/10.1017/s0021859600025624","mag":"2005333688"},"language":"en","primary_location":{"id":"doi:10.1017/s0021859600025624","doi":"https://doi.org/10.1017/s0021859600025624","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859600025624","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":true,"oa_status":"green","oa_url":"https://repository.rothamsted.ac.uk/id/eprint/27162/1/effects_of_nitrogen_fertilizer_plant_population_and_irrigation_on_sugar_beet_i_yields.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5051358237","display_name":"A. Philip Draycott","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A. P. Draycott","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":13.5838,"has_fulltext":true,"cited_by_count":32,"citation_normalized_percentile":{"value":0.99680511,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"76","issue":"2","first_page":"261","last_page":"267"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12310","display_name":"Crop Yield and Soil Fertility","score":0.6937999725341797,"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":0.6937999725341797,"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/T11404","display_name":"Irrigation Practices and Water Management","score":0.10350000113248825,"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"}},{"id":"https://openalex.org/T12566","display_name":"Nitrogen and Sulfur Effects on Brassica","score":0.08420000225305557,"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/sugar-beet","display_name":"sugar beet","score":1.0},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.9070000052452087},{"id":"https://openalex.org/keywords/plant-population","display_name":"plant population","score":0.9940000176429749},{"id":"https://openalex.org/keywords/irrigation","display_name":"irrigation","score":0.9929999709129333},{"id":"https://openalex.org/keywords/sugar-yield","display_name":"sugar yield","score":0.9300000071525574},{"id":"https://openalex.org/keywords/root-dry-weight","display_name":"root dry weight","score":0.8650000095367432},{"id":"https://openalex.org/keywords/biomass-allocation","display_name":"biomass allocation","score":0.7739999890327454},{"id":"https://openalex.org/keywords/crop-yield-response","display_name":"crop yield response","score":0.37700000405311584}],"concepts":[{"id":"https://openalex.org/C2776936025","wikidata":"https://www.wikidata.org/wiki/Q151964","display_name":"Sugar beet","level":2,"score":0.9001584053039551},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.7387901544570923},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.714856743812561},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.702489972114563},{"id":"https://openalex.org/C113578266","wikidata":"https://www.wikidata.org/wiki/Q1131303","display_name":"Loam","level":3,"score":0.6514882445335388},{"id":"https://openalex.org/C2777108408","wikidata":"https://www.wikidata.org/wiki/Q11002","display_name":"Sugar","level":2,"score":0.6390532851219177},{"id":"https://openalex.org/C123552892","wikidata":"https://www.wikidata.org/wiki/Q17005941","display_name":"Calcareous","level":2,"score":0.5640799403190613},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5601847171783447},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.5555675625801086},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.466065913438797},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.35152214765548706},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.33593714237213135},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.23458930850028992},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.18618464469909668},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.10563826560974121},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.061663806438446045},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","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},{"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/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1017/s0021859600025624","doi":"https://doi.org/10.1017/s0021859600025624","is_oa":false,"landing_page_url":"https://doi.org/10.1017/s0021859600025624","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:27162","doi":null,"is_oa":true,"landing_page_url":"https://repository.rothamsted.ac.uk/id/eprint/27162/1/effects_of_nitrogen_fertilizer_plant_population_and_irrigation_on_sugar_beet_i_yields.pdf","pdf_url":"https://repository.rothamsted.ac.uk/id/eprint/27162/1/effects_of_nitrogen_fertilizer_plant_population_and_irrigation_on_sugar_beet_i_yields.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":{"id":"pmh:oai:repository.rothamsted.ac.uk:27162","doi":null,"is_oa":true,"landing_page_url":"https://repository.rothamsted.ac.uk/id/eprint/27162/1/effects_of_nitrogen_fertilizer_plant_population_and_irrigation_on_sugar_beet_i_yields.pdf","pdf_url":"https://repository.rothamsted.ac.uk/id/eprint/27162/1/effects_of_nitrogen_fertilizer_plant_population_and_irrigation_on_sugar_beet_i_yields.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"},"sustainable_development_goals":[{"score":0.991100013256073,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2005333688.pdf","grobid_xml":"https://content.openalex.org/works/W2005333688.grobid-xml"},"referenced_works_count":13,"referenced_works":["https://openalex.org/W1127098794","https://openalex.org/W1980172713","https://openalex.org/W1990908098","https://openalex.org/W1997523825","https://openalex.org/W1998000831","https://openalex.org/W2023322912","https://openalex.org/W2040427927","https://openalex.org/W2098622633","https://openalex.org/W2162500464","https://openalex.org/W2319740683","https://openalex.org/W2332200812","https://openalex.org/W3169568797","https://openalex.org/W7047007516"],"related_works":["https://openalex.org/W2023322912","https://openalex.org/W1991527348","https://openalex.org/W3180838582","https://openalex.org/W2369222336","https://openalex.org/W2027911393","https://openalex.org/W382085317","https://openalex.org/W2041798450","https://openalex.org/W2321948359","https://openalex.org/W2323263654","https://openalex.org/W3001155065"],"abstract_inverted_index":{"SUMMARY":[0],"Five":[1],"experiments":[2],"(1965\u20139)":[3],"on":[4],"calcareous":[5],"sandy":[6],"loam":[7],"tested":[8],"all":[9,50,136],"combinations":[10],"of":[11,14,93,121,127],"four":[12,20],"amounts":[13],"nitrogen":[15,38,70,122],"(0\u20131\u00b78":[16],"cwt/acre":[17,56],"N)":[18],"and":[19,33,39,54,58,61,123],"plant":[21,40,74,114],"populations":[22],"(8000\u201354":[23],"000":[24],"plants/":[25],"acre)":[26],"given":[27,117],"to":[28,101],"sugar":[29,66,80],"beet":[30],"grown":[31],"with":[32],"without":[34],"irrigation.":[35],"On":[36],"average,":[37],"population":[41,75,115],"influenced":[42],"yields":[43],"greatly":[44],"but":[45],"irrigation":[46],"relatively":[47],"little.":[48],"In":[49],"years":[51],"between":[52,59],"0\u00b76":[53],"1\u00b72":[55],"N":[57],"17000":[60],"32000":[62],"plants/acre":[63],"gave":[64],"largest":[65,113,119],"yield.":[67,104],"Giving":[68],"more":[69],"or":[71],"increasing":[72],"the":[73,112,118,125,131],"neither":[76],"increased":[77],"nor":[78],"decreased":[79,134],"yield":[81,97],"much":[82],"in":[83,89,130],"any":[84],"year.":[85],"Irrigation":[86],"was":[87,98,109,116,133],"beneficial":[88],"only":[90],"two":[91],"out":[92],"five":[94],"years.":[95],"Sugar":[96],"linearly":[99],"related":[100],"root":[102],"dry-matter":[103],"Although":[105],"total":[106],"dry":[107,128],"matter":[108,129],"greatest":[110],"when":[111],"dressing":[120],"irrigation,":[124],"proportion":[126],"roots":[132],"by":[135],"three":[137],"factors.":[138]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}