{"id":"https://openalex.org/W980323798","doi":null,"title":"Alternate irrigation and fertilization to reduce leaching of nitrates","display_name":"Alternate irrigation and fertilization to reduce leaching of nitrates","publication_year":2000,"publication_date":"2000-01-01","ids":{"openalex":"https://openalex.org/W980323798","mag":"980323798"},"language":"en","primary_location":{"id":"pmh:oai:digitalcommons.unl.edu:dissertations-9312","doi":null,"is_oa":false,"landing_page_url":"https://digitalcommons.unl.edu/dissertations/AAI9976986","pdf_url":null,"source":{"id":"https://openalex.org/S4306400577","display_name":"Lincoln (University of Nebraska)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114395901","host_organization_name":"University of Nebraska\u2013Lincoln","host_organization_lineage":["https://openalex.org/I114395901"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ETD collection for University of Nebraska-Lincoln","raw_type":"text"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"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/A5066148704","display_name":"Francisco Guadalupe Echavarr\u00eda-Ch\u00e1irez","orcid":"https://orcid.org/0000-0002-4910-5677","observed_orcids":["https://orcid.org/0000-0002-4910-5677"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Francisco Guadalupe Echavarr\u00eda-Ch\u00e1irez","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0002-4910-5677","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5066148704"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11404","display_name":"Irrigation Practices and Water Management","score":0.9599999785423279,"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/T11404","display_name":"Irrigation Practices and Water Management","score":0.9599999785423279,"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/T11311","display_name":"Soil and Water Nutrient Dynamics","score":0.01850000023841858,"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"}},{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","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/nitrate-leaching","display_name":"nitrate leaching","score":0.9900000095367432},{"id":"https://openalex.org/keywords/maize","display_name":"maize","score":0.5899999737739563},{"id":"https://openalex.org/keywords/nitrogen-fertilizer-reduction","display_name":"nitrogen fertilizer reduction","score":0.574999988079071},{"id":"https://openalex.org/keywords/bromide-tracer","display_name":"bromide tracer","score":0.781000018119812},{"id":"https://openalex.org/keywords/preferential-flow","display_name":"preferential flow","score":0.9120000004768372},{"id":"https://openalex.org/keywords/soil-drainage","display_name":"soil drainage","score":0.621999979019165},{"id":"https://openalex.org/keywords/soil-organic-matter","display_name":"soil organic matter","score":0.722000002861023},{"id":"https://openalex.org/keywords/grain-yield","display_name":"grain yield","score":0.6809999942779541},{"id":"https://openalex.org/keywords/furrow-irrigation","display_name":"furrow irrigation","score":0.6399999856948853}],"concepts":[{"id":"https://openalex.org/C90982505","wikidata":"https://www.wikidata.org/wiki/Q16938886","display_name":"Leaching (pedology)","level":3,"score":0.6201786994934082},{"id":"https://openalex.org/C88862950","wikidata":"https://www.wikidata.org/wiki/Q11453","display_name":"Irrigation","level":2,"score":0.6097915172576904},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5530178546905518},{"id":"https://openalex.org/C88972607","wikidata":"https://www.wikidata.org/wiki/Q2666904","display_name":"Human fertilization","level":2,"score":0.5206891298294067},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.26507896184921265},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.12843051552772522},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.0786333680152893},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:digitalcommons.unl.edu:dissertations-9312","doi":null,"is_oa":false,"landing_page_url":"https://digitalcommons.unl.edu/dissertations/AAI9976986","pdf_url":null,"source":{"id":"https://openalex.org/S4306400577","display_name":"Lincoln (University of Nebraska)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I114395901","host_organization_name":"University of Nebraska\u2013Lincoln","host_organization_lineage":["https://openalex.org/I114395901"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ETD collection for University of Nebraska-Lincoln","raw_type":"text"},{"id":"mag:980323798","doi":null,"is_oa":false,"landing_page_url":"https://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=9312&context=dissertations","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.991100013256073,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.6618000268936157,"display_name":"Clean water and sanitation","id":"https://metadata.un.org/sdg/6"}],"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/W2041936095","https://openalex.org/W2378137283","https://openalex.org/W39635291","https://openalex.org/W592562746","https://openalex.org/W2025826058","https://openalex.org/W1964677927","https://openalex.org/W2035719310","https://openalex.org/W1999710732","https://openalex.org/W1973372431","https://openalex.org/W1996773372"],"abstract_inverted_index":{"A":[0,189],"combination":[1],"of":[2,29,70,72,132,158,211,281,289],"alternate":[3,9],"row":[4,101],"furrow":[5,102,257],"irrigation":[6,81,103,198],"(ARFI)":[7],"and":[8,67,83,99,107,137,172,181,226,240,252,293,299,315],"fertilizer":[10,75],"application":[11,61],"was":[12,33,87,148,186,193,223,310],"tested":[13],"in":[14,36,50,95,105,119,122,163,179,238,243,246,255,268,277],"a":[15,37,68],"two":[16],"years":[17],"study":[18,32],"to":[19,199,235,262],"evaluate":[20],"whether":[21],"this":[22],"management":[23],"strategy":[24],"would":[25],"reduce":[26],"the":[27,48,63,128,156,196,201,220,256,278,282,287,290,295,304,320],"leaching":[28,86],"nitrates.":[30],"The":[31,54,109,145,213],"carried":[34],"out":[35],"6.25":[38],"ha":[39],"corn":[40,116,142],"field":[41],"(Cozad-Hord":[42],"fine":[43],"silty,":[44],"Typic":[45],"Haplustolls)":[46],"at":[47,62],"WCREC":[49],"North":[51],"Platte,":[52],"NE.":[53],"nitrogen":[55],"(N)":[56],"rates":[57,126],"studied":[58],"were":[59,92,170,209,258],"uniform":[60],"recommended":[64],"rate":[65,111],"(R)":[66],"reduction":[69],"25%":[71],"R.":[73],"Increased":[74],"use":[76],"by":[77],"isolating":[78],"N":[79,125,160],"from":[80,259],"water":[82,138,250],"reduced":[84],"NO3-N":[85,202,301,316],"expected":[88],"under":[89,150,175,207,229,265],"ARFI.":[90,164],"There":[91],"no":[93],"differences":[94],"yield":[96,118,143,185],"between":[97,249,272,312],"ARFI":[98,178,208,214,239],"every":[100],"(ERFI)":[104],"1997":[106,120,180],"1998.":[108],"R":[110],"produced":[112],"0.2":[113],"Mg":[114],"ha\u20131":[115],"grain":[117,141],"but":[121,154,184],"1998,":[123],"both":[124],"yielded":[127],"same.":[129],"Spatial":[130],"variability":[131],"soil":[133,313],"organic":[134],"matter":[135],"(SOM)":[136],"drainage":[139],"explained":[140],"variation.":[144],"NH4-N":[146],"disappearance":[147],"faster":[149],"ERFI":[151,176],"than":[152,177],"ARFI,":[153],"included":[155],"effect":[157],"double":[159],"concentration":[161],"applied":[162,194],"Chlorophyll":[165],"meter":[166],"readings":[167],"(SPAD":[168],"502)":[169],"5":[171],"2.8%":[173],"higher":[174],"1998":[182],"respectively,":[183],"not":[187],"affected.":[188],"conservative":[190],"tracer":[191],"(KBr)":[192],"before":[195],"first":[197],"imitate":[200],"movement.":[203],"Br":[204,269],"recovery":[205],"values":[206],"twofold":[210],"ERFI.":[212,230,244,266],"relative":[215],"Br\u2013":[216,233,247,296,298,314],"peak":[217],"movement":[218,248,271],"during":[219,319],"growing":[221,321],"season":[222],"0.15":[224,260],"m":[225,228,237,242,261,264],"0.60":[227,236,263],"After":[231],"harvest":[232],"moved":[234],"1.22":[241],"Differences":[245,267],"inflow":[251],"outflow":[253],"positions":[254],"\u2013":[270],"replications":[273],"suggested":[274],"preferential":[275],"flow":[276],"west":[279],"side":[280],"field.":[283],"Rendered":[284],"images":[285,302],"corroborated":[286],"features":[288],"conventional":[291],"graphics":[292],"described":[294],"distribution.":[297,307],"residual":[300],"shared":[303],"same":[305],"spatial":[306],"No":[308],"correlation":[309],"found":[311],"samples":[317],"collected":[318],"season.":[322]},"counts_by_year":[],"updated_date":"2026-08-26T07:47:46.906454","created_date":"2016-06-24T00:00:00"}