{"id":"https://openalex.org/W2061570959","doi":"https://doi.org/10.1071/ea9750823","title":"Effect of successive cropping with nitrogenous fertilizers on wheat yields","display_name":"Effect of successive cropping with nitrogenous fertilizers on wheat yields","publication_year":1975,"publication_date":"1975-12-01","ids":{"openalex":"https://openalex.org/W2061570959","doi":"https://doi.org/10.1071/ea9750823","mag":"2061570959"},"language":"en","primary_location":{"id":"doi:10.1071/ea9750823","doi":"https://doi.org/10.1071/ea9750823","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea9750823","pdf_url":null,"source":{"id":"https://openalex.org/S5407053765","display_name":"Australian Journal of Experimental Agriculture and Animal Husbandry","issn_l":"0045-060X","issn":["0045-060X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Experimental Agriculture and Animal Husbandry","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/A5058172869","display_name":"M G Mason","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"MG Mason","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5058214509","display_name":"W. J. Toms","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"WJ Toms","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"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":4,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":"77","first_page":"823","last_page":"829"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9800000190734863,"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"}},"topics":[{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9800000190734863,"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/T12310","display_name":"Crop Yield and Soil Fertility","score":0.007899999618530273,"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":0.004999999888241291,"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/successive-cropping","display_name":"successive cropping","score":0.7900000214576721},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.7689999938011169},{"id":"https://openalex.org/keywords/wheat-yield","display_name":"wheat yield","score":0.8960000276565552},{"id":"https://openalex.org/keywords/calcium-ammonium-nitrate","display_name":"calcium ammonium nitrate","score":0.8349999785423279},{"id":"https://openalex.org/keywords/ammonium-sulfate","display_name":"ammonium sulfate","score":1.0},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.9980000257492065},{"id":"https://openalex.org/keywords/grain-protein-content","display_name":"grain protein content","score":0.8059999942779541},{"id":"https://openalex.org/keywords/site-effects","display_name":"site effects","score":0.4950000047683716},{"id":"https://openalex.org/keywords/beverley","display_name":"Beverley","score":0.9980000257492065}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7195373773574829},{"id":"https://openalex.org/C2779870022","wikidata":"https://www.wikidata.org/wiki/Q190901","display_name":"Ammonium","level":2,"score":0.6799153089523315},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.6566124558448792},{"id":"https://openalex.org/C2780365088","wikidata":"https://www.wikidata.org/wiki/Q48318","display_name":"Urea","level":2,"score":0.6125222444534302},{"id":"https://openalex.org/C2776617377","wikidata":"https://www.wikidata.org/wiki/Q182329","display_name":"Ammonium nitrate","level":2,"score":0.6117376685142517},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5162427425384521},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.485110878944397},{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.47506019473075867},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.47216862440109253},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.4622369408607483},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.43345165252685547},{"id":"https://openalex.org/C140793950","wikidata":"https://www.wikidata.org/wiki/Q168091","display_name":"Animal science","level":1,"score":0.4030809998512268},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.1800937056541443},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.077036052942276},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.06180426478385925},{"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/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:10.1071/ea9750823","doi":"https://doi.org/10.1071/ea9750823","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ea9750823","pdf_url":null,"source":{"id":"https://openalex.org/S5407053765","display_name":"Australian Journal of Experimental Agriculture and Animal Husbandry","issn_l":"0045-060X","issn":["0045-060X"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Experimental Agriculture and Animal Husbandry","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/W1990519650","https://openalex.org/W2130653660","https://openalex.org/W2090387105","https://openalex.org/W1982615440","https://openalex.org/W2347658037","https://openalex.org/W2356113006","https://openalex.org/W2145655825","https://openalex.org/W2122280611","https://openalex.org/W2124158146","https://openalex.org/W7071034717"],"abstract_inverted_index":{"Wheat":[0],"was":[1,32,61,96],"grown":[2],"for":[3,67],"twelve":[4],"successive":[5],"years":[6,88],"at":[7,45,50],"three":[8,58],"sites":[9,59],"with":[10,38,73,109],"five":[11],"rates":[12,69],"of":[13,56,64,70,93],"nitrogen":[14,71],"either":[15],"as":[16],"calcium":[17],"ammonium":[18,20,94],"nitrate,":[19],"sulphate":[21,95],"or":[22,52],"urea":[23],"applied":[24],"each":[25,55,98],"year":[26],"to":[27,75],"the":[28,43,57,90],"same":[29],"plots.":[30],"There":[31],"a":[33,65],"long":[34],"term":[35],"yield":[36],"decline,":[37],"and":[39,81,105],"without":[40],"nitrogen,":[41],"on":[42],"site":[44],"Wongan":[46,79],"Hills,":[47],"but":[48],"not":[49,107],"Merredin":[51],"Beverley.":[53],"At":[54,78],"there":[60],"no":[62],"indication":[63],"need":[66],"higher":[68],"fertilizers":[72],"time":[74],"maintain":[76],"yields.":[77],"Hills":[80],"Merredin,":[82],"yields":[83],"were":[84,103],"depressed":[85],"in":[86],"most":[87],"when":[89],"highest":[91],"rate":[92],"used":[97],"year.":[99],"Grain":[100],"protein":[101],"contents":[102],"low":[104],"did":[106],"decrease":[108],"time.":[110]},"counts_by_year":[],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2016-06-24T00:00:00"}
