{"id":"https://openalex.org/W2331140472","doi":"https://doi.org/10.3733/hilg.v43n04p103","title":"Phosphate fluxes in the soil-plant system: A computer simulation","display_name":"Phosphate fluxes in the soil-plant system: A computer simulation","publication_year":1975,"publication_date":"1975-05-01","ids":{"openalex":"https://openalex.org/W2331140472","doi":"https://doi.org/10.3733/hilg.v43n04p103","mag":"2331140472"},"language":"en","primary_location":{"id":"doi:10.3733/hilg.v43n04p103","doi":"https://doi.org/10.3733/hilg.v43n04p103","is_oa":true,"landing_page_url":"https://doi.org/10.3733/hilg.v43n04p103","pdf_url":"https://hilgardia.ucanr.edu/fileaccess.cfm?article=152783&p=KRHMWD","source":{"id":"https://openalex.org/S4210175709","display_name":"Hilgardia","issn_l":"0073-2230","issn":["0073-2230"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310316178","host_organization_name":"University of California, Agriculture and Natural Resources","host_organization_lineage":["https://openalex.org/P4310316178","https://openalex.org/P4310316177"],"host_organization_lineage_names":["University of California, Agriculture and Natural Resources","University of California"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Hilgardia","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://hilgardia.ucanr.edu/fileaccess.cfm?article=152783&p=KRHMWD","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5113973159","display_name":"Keith R. Helyar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. R. Helyar","raw_affiliation_strings":["Professor of Soil Science, Department of Soils and Plant Nutrition, University of California, Davis","Research Assistant, Department of Soils and Plant Nutrition, University of California, Davis, California. Pres-ent address: Agricultural Research Centre, Wollongbar, New South Wales, 2480, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Professor of Soil Science, Department of Soils and Plant Nutrition, University of California, Davis","institution_ids":["https://openalex.org/I84218800"]},{"raw_affiliation_string":"Research Assistant, Department of Soils and Plant Nutrition, University of California, Davis, California. Pres-ent address: Agricultural Research Centre, Wollongbar, New South Wales, 2480, Australia","institution_ids":["https://openalex.org/I84218800"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058903690","display_name":"Donald N. Munns","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I84218800","display_name":"University of California, Davis","ror":"https://ror.org/05rrcem69","country_code":"US","type":"education","lineage":["https://openalex.org/I84218800"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. N. Munns","raw_affiliation_strings":["Professor of Soil Science, Department of Soils and Plant Nutrition, University of California, Davis","Research Assistant, Department of Soils and Plant Nutrition, University of California, Davis, California. Pres-ent address: Agricultural Research Centre, Wollongbar, New South Wales, 2480, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Professor of Soil Science, Department of Soils and Plant Nutrition, University of California, Davis","institution_ids":["https://openalex.org/I84218800"]},{"raw_affiliation_string":"Research Assistant, Department of Soils and Plant Nutrition, University of California, Davis, California. Pres-ent address: Agricultural Research Centre, Wollongbar, New South Wales, 2480, Australia","institution_ids":["https://openalex.org/I84218800"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I84218800"],"apc_list":null,"apc_paid":null,"fwci":0.7424,"has_fulltext":true,"cited_by_count":22,"citation_normalized_percentile":{"value":0.65487617,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"43","issue":"4","first_page":"103","last_page":"130"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.8500999808311462,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.8500999808311462,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant 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":0.05770000070333481,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","score":0.03229999914765358,"subfield":{"id":"https://openalex.org/subfields/2304","display_name":"Environmental Chemistry"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/phosphate-flux","display_name":"phosphate flux","score":0.8399999737739563},{"id":"https://openalex.org/keywords/soil-plant-system","display_name":"soil-plant system","score":0.9200000166893005},{"id":"https://openalex.org/keywords/sorption-isotherms","display_name":"sorption isotherms","score":0.9020000100135803},{"id":"https://openalex.org/keywords/root-extension","display_name":"root extension","score":0.5619999766349792},{"id":"https://openalex.org/keywords/transpiration","display_name":"transpiration","score":0.5669999718666077},{"id":"https://openalex.org/keywords/trifolium","display_name":"clover","score":0.6919999718666077},{"id":"https://openalex.org/keywords/rhizosphere","display_name":"rhizosphere","score":0.7310000061988831},{"id":"https://openalex.org/keywords/mycorrhizal-symbiosis","display_name":"mycorrhizal symbiosis","score":0.7409999966621399}],"concepts":[{"id":"https://openalex.org/C58445606","wikidata":"https://www.wikidata.org/wiki/Q898533","display_name":"Sorption","level":3,"score":0.6338641047477722},{"id":"https://openalex.org/C2777132085","wikidata":"https://www.wikidata.org/wiki/Q46220103","display_name":"Phosphate","level":2,"score":0.6235154271125793},{"id":"https://openalex.org/C69357855","wikidata":"https://www.wikidata.org/wiki/Q163214","display_name":"Diffusion","level":2,"score":0.5703266859054565},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5276994705200195},{"id":"https://openalex.org/C178635117","wikidata":"https://www.wikidata.org/wiki/Q747499","display_name":"RADIUS","level":2,"score":0.5188176035881042},{"id":"https://openalex.org/C53161047","wikidata":"https://www.wikidata.org/wiki/Q1351263","display_name":"Root hair","level":3,"score":0.48131263256073},{"id":"https://openalex.org/C162711632","wikidata":"https://www.wikidata.org/wiki/Q905514","display_name":"Desorption","level":3,"score":0.4651070237159729},{"id":"https://openalex.org/C157517311","wikidata":"https://www.wikidata.org/wiki/Q167980","display_name":"Transpiration","level":3,"score":0.4326644539833069},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.38862255215644836},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.3851022720336914},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.3270706534385681},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2334560751914978},{"id":"https://openalex.org/C150394285","wikidata":"https://www.wikidata.org/wiki/Q180254","display_name":"Adsorption","level":2,"score":0.19135260581970215},{"id":"https://openalex.org/C43617362","wikidata":"https://www.wikidata.org/wiki/Q170050","display_name":"Chromatography","level":1,"score":0.19015944004058838},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1670379638671875},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.08563941717147827},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","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/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3733/hilg.v43n04p103","doi":"https://doi.org/10.3733/hilg.v43n04p103","is_oa":true,"landing_page_url":"https://doi.org/10.3733/hilg.v43n04p103","pdf_url":"https://hilgardia.ucanr.edu/fileaccess.cfm?article=152783&p=KRHMWD","source":{"id":"https://openalex.org/S4210175709","display_name":"Hilgardia","issn_l":"0073-2230","issn":["0073-2230"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310316178","host_organization_name":"University of California, Agriculture and Natural Resources","host_organization_lineage":["https://openalex.org/P4310316178","https://openalex.org/P4310316177"],"host_organization_lineage_names":["University of California, Agriculture and Natural Resources","University of California"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Hilgardia","raw_type":"journal-article"},{"id":"pmh:oai:ageconsearch.umn.edu:381327","doi":null,"is_oa":false,"landing_page_url":"http://ageconsearch.umn.edu/record/381327","pdf_url":null,"source":{"id":"https://openalex.org/S4306401616","display_name":"AgEcon Search (University of Minnesota, USA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210120349","host_organization_name":"University of Minnesota Rochester","host_organization_lineage":["https://openalex.org/I4210120349"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://ageconsearch.umn.edu/record/381327","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3733/hilg.v43n04p103","doi":"https://doi.org/10.3733/hilg.v43n04p103","is_oa":true,"landing_page_url":"https://doi.org/10.3733/hilg.v43n04p103","pdf_url":"https://hilgardia.ucanr.edu/fileaccess.cfm?article=152783&p=KRHMWD","source":{"id":"https://openalex.org/S4210175709","display_name":"Hilgardia","issn_l":"0073-2230","issn":["0073-2230"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310316178","host_organization_name":"University of California, Agriculture and Natural Resources","host_organization_lineage":["https://openalex.org/P4310316178","https://openalex.org/P4310316177"],"host_organization_lineage_names":["University of California, Agriculture and Natural Resources","University of California"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Hilgardia","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2331140472.pdf","grobid_xml":"https://content.openalex.org/works/W2331140472.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W615592791","https://openalex.org/W874968505","https://openalex.org/W1594695473","https://openalex.org/W1599630121","https://openalex.org/W1965795978","https://openalex.org/W1974249124","https://openalex.org/W1980546086","https://openalex.org/W1981014452","https://openalex.org/W1982332241","https://openalex.org/W1982733937","https://openalex.org/W1986450816","https://openalex.org/W1989782333","https://openalex.org/W1992987973","https://openalex.org/W1994570711","https://openalex.org/W2007850837","https://openalex.org/W2008273538","https://openalex.org/W2019554960","https://openalex.org/W2022958351","https://openalex.org/W2041973886","https://openalex.org/W2049782669","https://openalex.org/W2052924001","https://openalex.org/W2053165226","https://openalex.org/W2053311582","https://openalex.org/W2056862697","https://openalex.org/W2057197658","https://openalex.org/W2059048423","https://openalex.org/W2059192822","https://openalex.org/W2061239014","https://openalex.org/W2072670794","https://openalex.org/W2073777936","https://openalex.org/W2077293576","https://openalex.org/W2079288470","https://openalex.org/W2081250111","https://openalex.org/W2081587387","https://openalex.org/W2082403595","https://openalex.org/W2096936082","https://openalex.org/W2111672821","https://openalex.org/W2267866058","https://openalex.org/W2270225466","https://openalex.org/W2321998191","https://openalex.org/W3011148522","https://openalex.org/W4211226435"],"related_works":["https://openalex.org/W4205734845","https://openalex.org/W1546603833","https://openalex.org/W1999643826","https://openalex.org/W2019886301","https://openalex.org/W2071656678","https://openalex.org/W2533869223","https://openalex.org/W1976524592","https://openalex.org/W7014307971","https://openalex.org/W2076643249","https://openalex.org/W7202299777"],"abstract_inverted_index":{"The":[0,22,149,200],"kinetics":[1],"of":[2,11,26,40,43,84,94,97,101,113,151,164,209,292],"phosphate":[3,36,45,85,103,118],"reaction":[4],"in":[5,34,74,111,123,140,146,212,245,268,282],"soil":[6,64,266,284],"were":[7],"simulated":[8],"by":[9,57,257],"means":[10],"the":[12,62,80,87,89,114,147,158,165,193,207,210,222,236,242,260,269,290],"computer":[13],"language":[14],"IBM":[15],"S/360":[16],"continuous":[17],"systems":[18],"modeling":[19],"program":[20],"(CSMP).":[21],"model":[23,53,211],"includes":[24],"parameters":[25,132],"intensity,":[27],"capacity,":[28],"and":[29,82,92,105,120,162,171,179,278],"buffer":[30,279],"capacity.":[31],"Predicted":[32],"changes":[33],"solution":[35,102],"concentration":[37,104],"following":[38],"addition":[39],"various":[41],"levels":[42],"calcium":[44],"agreed":[46],"with":[47,61,117,130,142],"experimentally":[48],"determined":[49],"changes.":[50],"A":[51],"separate":[52],"segment":[54,67,239,243],"simulating":[55],"uptake":[56,233,296],"plants":[58],"was":[59],"interfaced":[60],"CSMP":[63],"model.":[65],"This":[66],"uses":[68],"standard":[69],"numerical":[70],"integration":[71],"techniques,":[72],"prepared":[73],"Fortran.":[75],"It":[76],"takes":[77],"into":[78],"account":[79],"convection":[81],"diffusion":[83,160,226,276],"to":[86,186,217,295],"root,":[88],"extension":[90],"rate":[91],"radius":[93,181],"roots,":[95],"length":[96,175],"root":[98,106,156,173,180,194,238,261],"hairs,":[99],"effect":[100],"age":[107],"on":[108,206],"absorption,":[109],"variation":[110,122],"slope":[112,163],"sorption":[115,166],"isotherm":[116,167],"concentration,":[119],"diurnal":[121],"transpiration":[124],"rate.":[125],"Simulations":[126],"have":[127,168],"been":[128],"run":[129],"several":[131],"varied":[133],"over":[134],"their":[135],"natural":[136],"range":[137],"as":[138,241],"observed":[139],"experiments":[141],"clover":[143],"or":[144],"recorded":[145],"literature.":[148],"output":[150],"these":[152],"simulations":[153],"indicates":[154],"that":[155,172,220,232,255,275,289],"extension,":[157],"soil\u2019s":[159],"coefficient,":[161],"most":[169,201],"influence,":[170],"hair":[174,195],"has":[176],"less":[177],"influence":[178],"little.":[182],"Convection":[183],"contributed":[184],"negligibly":[185],"computed":[187],"uptake,":[188],"but":[189],"direct":[190],"absorption":[191],"from":[192],"cylinder":[196,224],"can":[197],"be":[198],"significant.":[199],"important":[202],"assumptions":[203],"which":[204,250],"bear":[205],"use":[208],"its":[213],"current":[214],"state":[215],"appear":[216],"be:":[218],"i)":[219],"within":[221],"root-hair":[223],"neither":[225],"nor":[227],"desorption":[228],"rates":[229],"are":[230,286],"limiting.ii)":[231],"constants":[234],"for":[235],"individual":[237],"decline":[240],"ages":[244],"a":[246],"characteristic":[247],"manner":[248],"(about":[249],"little":[251],"is":[252,297],"known).":[253],"iii)":[254],"except":[256],"removing":[258],"phosphate,":[259],"does":[262],"not":[263,298],"significantly":[264],"alter":[265],"properties":[267],"rhizosphere":[270],"(including":[271],"moisture":[272],"content),":[273],"so":[274],"coefficients":[277],"capacities":[280],"measured":[281],"bulk":[283],"samples":[285],"applicable.":[287],"iv)":[288],"contribution":[291],"mycorrhizal":[293],"associations":[294],"important.":[299]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}