{"id":"https://openalex.org/W2139391648","doi":"https://doi.org/10.5897/jhf.9000034","title":"Effect of nitrogen and phosphorous rates on fertilizer use efficiency in lettuce and spinach","display_name":"Effect of nitrogen and phosphorous rates on fertilizer use efficiency in lettuce and spinach","publication_year":2014,"publication_date":"2014-06-01","ids":{"openalex":"https://openalex.org/W2139391648","doi":"https://doi.org/10.5897/jhf.9000034","mag":"2139391648"},"language":"en","primary_location":{"id":"mag:2139391648","doi":"https://doi.org/10.5897/jhf.9000034","is_oa":false,"landing_page_url":"https://www.researchgate.net/profile/Mahdi_Sadeghi_Pour_Marvi/publication/237248060_Effect_of_nitrogen_and_phosphorous_rates_on_fertilizer_use_efficiency_in_lettuce_and_spinach/links/53f473e20cf2fceacc6e7b1d.pdf?disableCoverPage=true","pdf_url":null,"source":{"id":"https://openalex.org/S2764984955","display_name":"Journal of Horticulture and Forestry","issn_l":"2006-9782","issn":["2006-9782"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310321074","host_organization_name":"Academic Journals","host_organization_lineage":["https://openalex.org/P4310321074"],"host_organization_lineage_names":["Academic Journals"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Horticulture and Forestry","raw_type":null},"volume":null,"type":"article","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/A5103647980","display_name":"Mahdi Sadeghi Pour Marvi","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mahdi Sadeghi Pour Marvi","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5103647980"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.8283,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.7813401,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"1","issue":"7","first_page":"140","last_page":"147"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.9688000082969666,"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":0.9688000082969666,"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/T12754","display_name":"Plant Growth and Agriculture Techniques","score":0.022299999371170998,"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":0.0019000000320374966,"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/fertilizer-use-efficiency","display_name":"fertilizer use efficiency","score":0.9990000128746033},{"id":"https://openalex.org/keywords/lettuce","display_name":"lettuce","score":0.9470000267028809},{"id":"https://openalex.org/keywords/spinach","display_name":"spinach","score":1.0},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.7089999914169312},{"id":"https://openalex.org/keywords/phosphorus-fertilizer","display_name":"phosphorus fertilizer","score":0.9919999837875366},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.8019999861717224},{"id":"https://openalex.org/keywords/triple-superphosphate","display_name":"triple superphosphate","score":0.9639999866485596},{"id":"https://openalex.org/keywords/nitrate-uptake","display_name":"nitrate uptake","score":0.7400000095367432},{"id":"https://openalex.org/keywords/split-nitrogen-application","display_name":"split nitrogen application","score":0.7179999947547913},{"id":"https://openalex.org/keywords/nitrogen-leaching","display_name":"nitrogen leaching","score":0.7440000176429749},{"id":"https://openalex.org/keywords/vegetable-yield","display_name":"vegetable yield","score":0.5}],"concepts":[{"id":"https://openalex.org/C2780054949","wikidata":"https://www.wikidata.org/wiki/Q1421117","display_name":"Spinach","level":2,"score":0.798535943031311},{"id":"https://openalex.org/C2780560099","wikidata":"https://www.wikidata.org/wiki/Q83323","display_name":"Fertilizer","level":2,"score":0.7122769355773926},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.6486552357673645},{"id":"https://openalex.org/C2778343920","wikidata":"https://www.wikidata.org/wiki/Q578052","display_name":"Lactuca","level":2,"score":0.639568567276001},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.6109356880187988},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5424533486366272},{"id":"https://openalex.org/C75639521","wikidata":"https://www.wikidata.org/wiki/Q1283519","display_name":"Field experiment","level":2,"score":0.47086039185523987},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.43811434507369995},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.4067441523075104},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.09381332993507385},{"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/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2139391648","doi":"https://doi.org/10.5897/jhf.9000034","is_oa":false,"landing_page_url":"https://www.researchgate.net/profile/Mahdi_Sadeghi_Pour_Marvi/publication/237248060_Effect_of_nitrogen_and_phosphorous_rates_on_fertilizer_use_efficiency_in_lettuce_and_spinach/links/53f473e20cf2fceacc6e7b1d.pdf?disableCoverPage=true","pdf_url":null,"source":{"id":"https://openalex.org/S2764984955","display_name":"Journal of Horticulture and Forestry","issn_l":"2006-9782","issn":["2006-9782"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310321074","host_organization_name":"Academic Journals","host_organization_lineage":["https://openalex.org/P4310321074"],"host_organization_lineage_names":["Academic Journals"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Journal of Horticulture and Forestry","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/2","score":1.0,"display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W90629977","https://openalex.org/W381157406","https://openalex.org/W1512952934","https://openalex.org/W1979004588","https://openalex.org/W1983120362","https://openalex.org/W2004876376","https://openalex.org/W2030898493","https://openalex.org/W2048882773","https://openalex.org/W2067142540","https://openalex.org/W2071520851","https://openalex.org/W2073048299","https://openalex.org/W2091160252","https://openalex.org/W2269375187","https://openalex.org/W2314298706","https://openalex.org/W2464598689","https://openalex.org/W3159065910","https://openalex.org/W3216521343"],"related_works":["https://openalex.org/W2183211436","https://openalex.org/W3091399080","https://openalex.org/W7152399304","https://openalex.org/W2521635334","https://openalex.org/W2343342294","https://openalex.org/W2979093391","https://openalex.org/W2352574862","https://openalex.org/W3144517426","https://openalex.org/W3198367230","https://openalex.org/W7135226495"],"abstract_inverted_index":{"In":[0],"this":[1],"study,":[2],"Lettuce":[3,168,194],"(Lactuca":[4],"Sativa)":[5],"and":[6,29,32,49,61,106,116,141,162,169,175,195,216,236,241],"Spinach":[7,170,196],"(Spinacea":[8],"Oleracea)":[9],"were":[10,37,82,96,146,149,172,180],"used":[11,182,239],"as":[12,110,129],"a":[13,111,130],"case":[14],"study":[15],"vegetable":[16],"crop":[17],"to":[18,46,183,230],"compare":[19],"models":[20,166],"for":[21,136,153,167,190,205],"estimating":[22],"Fertilizer":[23,42],"Use":[24,43],"Efficiency":[25],"based":[26,89],"on":[27,90,221],"nitrogen":[28,235,245],"phosphorous":[30,50,237],"fertilizer":[31,51,188,208,225],"nitrate":[33],"concentration.":[34],"Field":[35],"studies":[36],"conducted\u00a0to":[38],"measure":[39],"yield,":[40],"nitrate,":[41],"Efficiency,":[44],"response":[45],"applied":[47],"Nitrogen":[48,101],"in":[52,65,74,113,197,213,246],"two":[53],"plants.":[54],"The":[55,177],"area\u00a0was":[56],"located":[57],"between":[58],"25\u00b0\u00a021I\u201e\u00a0E":[59],"longitude":[60],"51Es38I\u201e":[62],"N":[63],"latitude":[64],"the":[66,75,151],"North":[67],"of":[68,78,100,119,160,165,187,193,207,244],"Varamin":[69],"city,":[70],"(Tehran":[71],"province,":[72],"Iran)":[73],"alluvial":[76],"plain":[77],"Varamin.":[79],"Soils":[80],"family":[81],"fine,":[83],"mixed,":[84],"active,":[85],"thermic,":[86],"typic":[87],"haplocambids":[88],"Soil":[91],"Taxonomic":[92],"system":[93],"(1999).":[94],"Plants":[95],"received":[97],"five":[98,117],"rates":[99,118],"(0.0,":[102],"150,":[103],"200,":[104],"250":[105],"300":[107],"kg":[108,127,218],"Nha-1)":[109],"urea":[112],"split":[114],"applications":[115],"Phosphorous\u00a0":[120],"(0.0,\u00a0":[121],"37.5,\u00a0":[122],"50,\u00a0":[123],"62.5\u00a0":[124],"and\u00a0":[125],"75":[126],"P2O5\r\n\r\n\tha-1)":[128],"triple":[131],"super":[132],"phosphate":[133],"(TSP).":[134],"Data":[135],"plant":[137],"fresh":[138],"mass":[139],"(tonha-1)":[140],"Nitrate":[142],"uptake":[143],"(nitrate)":[144],"(mgkg-1)":[145],"recorded.":[147],"Models":[148],"described":[150],"data":[152],"cultivar":[154],"quite":[155],"well,":[156],"with":[157],"correlation":[158],"coefficients":[159,179],"0.80":[161],"above.":[163],"All":[164],"production":[171,192],"compared":[173],"graphically":[174],"analytically.":[176],"model":[178],"then":[181],"make":[184],"improved":[185],"estimates":[186],"recommendations":[189],"field":[191],"Iran.":[198],"Results":[199],"showed":[200],"that":[201,228],"most":[202],"suitable":[203,240],"mode":[204],"prediction":[206],"use":[209,226,250],"efficiency":[210,227],"was":[211],"Y=16.77+0.0522N+0.0576P\u00a0(R2=0.81)":[212],"lettuce\u00a0(N:":[214],"kg\u00a0":[215],"P:":[217],"P2O5ha-1\u00a0in":[219],"lettuce.\u00a0Based":[220],"we":[222],"could":[223],"predicted":[224],"help":[229],"agricultural":[231],"practice":[232],"management":[233],"until":[234],"fertilizers":[238],"avoid":[242],"leaching":[243],"lettuce":[247],"culture.\r\n\r\n\t\u00a0\r\n\r\n\tKey":[248],"words:\u00a0Fertilizer":[249],"efficiency,":[251],"lettuce,":[252],"spinach.":[253]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}
