{"id":"https://openalex.org/W2020534587","doi":"https://doi.org/10.4141/cjps94-058","title":"Long-term comparison of rock phosphate with superphosphate on crop yield in two cereal-legume rotations","display_name":"Long-term comparison of rock phosphate with superphosphate on crop yield in two cereal-legume rotations","publication_year":1994,"publication_date":"1994-04-01","ids":{"openalex":"https://openalex.org/W2020534587","doi":"https://doi.org/10.4141/cjps94-058","mag":"2020534587"},"language":"en","primary_location":{"id":"doi:10.4141/cjps94-058","doi":"https://doi.org/10.4141/cjps94-058","is_oa":true,"landing_page_url":"https://doi.org/10.4141/cjps94-058","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.4141/cjps94-058","source":{"id":"https://openalex.org/S34720450","display_name":"Canadian Journal of Plant Science","issn_l":"0008-4220","issn":["0008-4220","1918-1833"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Plant Science","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://cdnsciencepub.com/doi/pdf/10.4141/cjps94-058","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035397165","display_name":"Manilal Choudhary","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1331897569","display_name":"Agriculture and Agri-Food Canada","ror":"https://ror.org/051dzs374","country_code":"CA","type":"government","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"M. Choudhary","raw_affiliation_strings":["Agricutture Canada, Research Station, P.O. Box 1000A,","2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricutture Canada, Research Station, P.O. Box 1000A,","institution_ids":["https://openalex.org/I1331897569"]},{"raw_affiliation_string":"2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052582641","display_name":"Loraine D Bailey","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1331897569","display_name":"Agriculture and Agri-Food Canada","ror":"https://ror.org/051dzs374","country_code":"CA","type":"government","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"L. D. Bailey","raw_affiliation_strings":["Agricutture Canada, Research Station, P.O. Box 1000A,","2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricutture Canada, Research Station, P.O. Box 1000A,","institution_ids":["https://openalex.org/I1331897569"]},{"raw_affiliation_string":"2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007663274","display_name":"Ted R. Peck","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1331897569","display_name":"Agriculture and Agri-Food Canada","ror":"https://ror.org/051dzs374","country_code":"CA","type":"government","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"T. R. Peck","raw_affiliation_strings":["Agricutture Canada , Research Station , P.O. Box 1000A , R","Agricutture Canada, Research Station, P.O. Box 1000A,","2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricutture Canada , Research Station , P.O. Box 1000A , R","institution_ids":["https://openalex.org/I1331897569"]},{"raw_affiliation_string":"Agricutture Canada, Research Station, P.O. Box 1000A,","institution_ids":["https://openalex.org/I1331897569"]},{"raw_affiliation_string":"2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-","institution_ids":["https://openalex.org/I157725225"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004573984","display_name":"Lyle E. Paul","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1331897569","display_name":"Agriculture and Agri-Food Canada","ror":"https://ror.org/051dzs374","country_code":"CA","type":"government","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I157725225","display_name":"University of Illinois Urbana-Champaign","ror":"https://ror.org/047426m28","country_code":"US","type":"education","lineage":["https://openalex.org/I157725225"]}],"countries":["CA","US"],"is_corresponding":false,"raw_author_name":"L. E. Paul","raw_affiliation_strings":["Agricutture Canada, Research Station, P.O. Box 1000A,","2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Agricutture Canada, Research Station, P.O. Box 1000A,","institution_ids":["https://openalex.org/I1331897569"]},{"raw_affiliation_string":"2O\"epaiient ot egr6nomy, lJniversity of tltinois at urbana-Champaign,lJrp_a1a, lL, U.5.A.61801-","institution_ids":["https://openalex.org/I157725225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.6524,"has_fulltext":true,"cited_by_count":12,"citation_normalized_percentile":{"value":0.81328499,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"74","issue":"2","first_page":"303","last_page":"310"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9940999746322632,"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":0.9940999746322632,"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/T12186","display_name":"Phosphorus and nutrient management","score":0.002400000113993883,"subfield":{"id":"https://openalex.org/subfields/2311","display_name":"Waste Management and Disposal"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.0012000000569969416,"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/phosphate-rock","display_name":"phosphate rock","score":1.0},{"id":"https://openalex.org/keywords/superphosphate","display_name":"superphosphate","score":1.0},{"id":"https://openalex.org/keywords/cereal-legume-rotation","display_name":"legume-cereal rotation","score":0.8769999742507935},{"id":"https://openalex.org/keywords/crop-yield","display_name":"crop yield","score":0.8709999918937683},{"id":"https://openalex.org/keywords/soil-phosphorus","display_name":"soil phosphorus","score":0.527999997138977},{"id":"https://openalex.org/keywords/leaf-nutrient-content","display_name":"leaf nutrient content","score":0.7450000047683716},{"id":"https://openalex.org/keywords/elemental-sulfur","display_name":"elemental sulfur","score":0.7480000257492065},{"id":"https://openalex.org/keywords/lime","display_name":"lime","score":0.4909999966621399},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.906000018119812},{"id":"https://openalex.org/keywords/acid-soils","display_name":"acid soils","score":0.7170000076293945},{"id":"https://openalex.org/keywords/oat","display_name":"oat","score":0.6800000071525574},{"id":"https://openalex.org/keywords/alfalfa","display_name":"alfalfa","score":0.9940000176429749},{"id":"https://openalex.org/keywords/maize","display_name":"maize","score":0.984000027179718},{"id":"https://openalex.org/keywords/soybean","display_name":"soybean","score":0.8899999856948853},{"id":"https://openalex.org/keywords/water-soluble-fertilizer","display_name":"water-soluble fertilizer","score":0.6110000014305115}],"concepts":[{"id":"https://openalex.org/C175760724","wikidata":"https://www.wikidata.org/wiki/Q191258","display_name":"Crop rotation","level":3,"score":0.8252041935920715},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6717227697372437},{"id":"https://openalex.org/C2778218555","wikidata":"https://www.wikidata.org/wiki/Q250423","display_name":"Lime","level":2,"score":0.646191418170929},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.6137948632240295},{"id":"https://openalex.org/C28731254","wikidata":"https://www.wikidata.org/wiki/Q17146935","display_name":"Monocropping","level":4,"score":0.604454755783081},{"id":"https://openalex.org/C2992847057","wikidata":"https://www.wikidata.org/wiki/Q156106","display_name":"Medicago sativa","level":2,"score":0.5922908186912537},{"id":"https://openalex.org/C2779908699","wikidata":"https://www.wikidata.org/wiki/Q146760","display_name":"Avena","level":2,"score":0.5357438921928406},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.4907744824886322},{"id":"https://openalex.org/C2776632002","wikidata":"https://www.wikidata.org/wiki/Q145909","display_name":"Legume","level":2,"score":0.47347915172576904},{"id":"https://openalex.org/C30163351","wikidata":"https://www.wikidata.org/wiki/Q1424327","display_name":"Phosphorite","level":3,"score":0.44220998883247375},{"id":"https://openalex.org/C126343540","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Crop yield","level":2,"score":0.4251306354999542},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.2977003753185272},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.21441033482551575},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.10131075978279114},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.0},{"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:10.4141/cjps94-058","doi":"https://doi.org/10.4141/cjps94-058","is_oa":true,"landing_page_url":"https://doi.org/10.4141/cjps94-058","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.4141/cjps94-058","source":{"id":"https://openalex.org/S34720450","display_name":"Canadian Journal of Plant Science","issn_l":"0008-4220","issn":["0008-4220","1918-1833"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Plant Science","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.4141/cjps94-058","doi":"https://doi.org/10.4141/cjps94-058","is_oa":true,"landing_page_url":"https://doi.org/10.4141/cjps94-058","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.4141/cjps94-058","source":{"id":"https://openalex.org/S34720450","display_name":"Canadian Journal of Plant Science","issn_l":"0008-4220","issn":["0008-4220","1918-1833"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Plant Science","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":0.991100013256073,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320332222","display_name":"University of Illinois at Urbana-Champaign","ror":"https://ror.org/047426m28"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2020534587.pdf","grobid_xml":"https://content.openalex.org/works/W2020534587.grobid-xml"},"referenced_works_count":14,"referenced_works":["https://openalex.org/W656109475","https://openalex.org/W1157984357","https://openalex.org/W1629590253","https://openalex.org/W1682205172","https://openalex.org/W1971401214","https://openalex.org/W1975864113","https://openalex.org/W2033840223","https://openalex.org/W2064021715","https://openalex.org/W2099656668","https://openalex.org/W2309258227","https://openalex.org/W2413573154","https://openalex.org/W4394686712","https://openalex.org/W6621941498","https://openalex.org/W7062798210"],"related_works":["https://openalex.org/W595967855","https://openalex.org/W2093119728","https://openalex.org/W1228513134","https://openalex.org/W2013941007","https://openalex.org/W2575501414","https://openalex.org/W2298461518","https://openalex.org/W2039369474","https://openalex.org/W2042247142","https://openalex.org/W2753241683","https://openalex.org/W7100282161"],"abstract_inverted_index":{"Monocropping":[0],"and":[1,14,17,38,62,93,105,116,120,248,283,292,295,302],"long-term":[2,21,311],"use":[3],"of":[4,26,49,161,202,216,281],"highly":[5],"water":[6],"soluble":[7],"commercial":[8],"fertilizers":[9],"may":[10],"reduce":[11],"crop":[12,34,179,184,235,277],"yields":[13,185,201,236,250,266,278,288,301,305],"contaminate":[15],"surface":[16],"ground":[18],"water.":[19],"A":[20,76],"experiment":[22],"compared":[23],"the":[24,147,158,293],"effectiveness":[25],"rock":[27],"phosphate":[28,58],"(RP)":[29],"with":[30,45,57,122,205,213,218,270,289],"superphosphate":[31],"(SP)":[32],"on":[33,186,193,253,258,279,315],"yields,":[35],"soil":[36,317],"tests,":[37],"leaf":[39],"nutrient":[40],"concentrations":[41],"in":[42,53,74,99,118,150,169,325],"two":[43],"rotations":[44],"or":[46,51,64,220],"without":[47],"addition":[48],"N":[50,63,231],"lime":[52,65,239],"a":[54,214],"strip-block":[55],"design":[56],"as":[59,66,112,321,323],"vertical":[60],"factor":[61,68],"horizontal":[67],"applied":[69,139,155,167],"over":[70],"P":[71,131,175,327],"treatments.":[72,275],"Crops":[73],"rotation":[75,100,135,151,162,182,242],"(1952\u20131967)":[77],"included":[78,103],"oats":[79],"(Avena":[80],"sativa":[81,85],"L.),":[82,86],"alfalfa":[83,226],"(Medicago":[84],"corn":[87,94,104,223,247,304],"(Zea":[88],"mays":[89],"L.)":[90],"1st":[91],"yr":[92,96,143],"2nd":[95],"while":[97],"crops":[98,203],"B":[101,152],"(1968\u20131983)":[102],"soybean":[106,249,300],"(Glycine":[107],"max":[108],"L.).":[109],"Phosphate":[110],"application":[111,232],"single":[113],"source,":[114],"RP":[115,121,137,187,206,217,254,271,282,290,294,307,318],"SP":[117,165,195,219,260,274,284,324],"combination,":[119],"elemental":[123],"sulphur":[124],"ranged":[125],"from":[126],"0":[127],"to":[128,191,210,230,238,256,287,328],"40":[129],"kg":[130],"ha\u22121":[132],"yr\u22121.":[133],"In":[134,172,181,241,309],"A,":[136,183],"was":[138,154,166,319],"once":[140],"every":[141],"8":[142],"at":[144,156,244,263],"eight":[145],"times":[146],"annual":[148,159],"rate;":[149],"it":[153],"half":[157],"rate":[160],"A.":[163],"The":[164],"annually":[168],"both":[170,173],"rotations.":[171],"rotations,":[174],"treatments":[176,188,196,255],"significantly":[177,268],"increased":[178],"yields.":[180],"were":[189,208,251,267,285],"similar":[190,209,252,286,303],"those":[192,211,257],"corresponding":[194,259,273],"except":[197],"for":[198],"oats.":[199],"Similarly,":[200],"grown":[204,224],"alone":[207],"obtained":[212],"mixture":[215,280],"S.":[221],"But":[222],"after":[225],"did":[227,234],"not":[228],"respond":[229,237],"nor":[233],"application.":[240],"B,":[243],"low":[245],"lime,":[246,265,336],"treatments,":[261],"but":[262],"high":[264],"lower":[269,299],"than":[272,306],"Further,":[276],"alone,":[291],"S":[296],"combination":[297],"produced":[298],"alone.":[308],"this":[310],"cropping":[312],"sequence":[313],"study,":[314],"acidic":[316],"equally":[320],"effective":[322],"supplying":[326],"crops.":[329],"Key":[330],"words:":[331],"Rock":[332],"phosphate,":[333],"superphosphate,":[334],"legumes,":[335],"nitrogen":[337]},"counts_by_year":[{"year":2020,"cited_by_count":1}],"updated_date":"2026-10-08T09:06:37.294493","created_date":"2016-06-24T00:00:00"}
