{"id":"https://openalex.org/W2231295644","doi":null,"title":"Weeds, nitrogen, and yield: Measuring the effectiveness of an organic no-till system","display_name":"Weeds, nitrogen, and yield: Measuring the effectiveness of an organic no-till system","publication_year":2015,"publication_date":"2015-01-01","ids":{"openalex":"https://openalex.org/W2231295644","mag":"2231295644"},"language":"en","primary_location":{"id":"pmh:oai:tigerprints.clemson.edu:all_theses-3266","doi":null,"is_oa":true,"landing_page_url":"https://tigerprints.clemson.edu/all_theses/2261","pdf_url":"https://tigerprints.clemson.edu/cgi/viewcontent.cgi?article=3266&context=all_theses","source":{"id":"https://openalex.org/S4377196397","display_name":"TigerPrints (Clemson University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I8078737","host_organization_name":"Clemson University","host_organization_lineage":["https://openalex.org/I8078737"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"All Theses","raw_type":"text"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://tigerprints.clemson.edu/cgi/viewcontent.cgi?article=3266&context=all_theses","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047172142","display_name":"David Charles Robb","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"David Charles Robb","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5047172142"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"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/T12792","display_name":"Soil Management and Crop Yield","score":0.8734999895095825,"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/T12792","display_name":"Soil Management and Crop Yield","score":0.8734999895095825,"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/T10774","display_name":"Weed Control and Herbicide Applications","score":0.02810000069439411,"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/T13838","display_name":"Plant and soil sciences","score":0.02590000070631504,"subfield":{"id":"https://openalex.org/subfields/1100","display_name":"General Agricultural and Biological Sciences"},"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/conventional-tillage","display_name":"conventional tillage","score":0.8080000281333923},{"id":"https://openalex.org/keywords/tomato-yield","display_name":"tomato yield","score":0.5490000247955322},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.8410000205039978},{"id":"https://openalex.org/keywords/weed-suppression","display_name":"weed suppression","score":0.8859999775886536},{"id":"https://openalex.org/keywords/soil-nitrogen-dynamics","display_name":"soil nitrogen dynamics","score":0.9359999895095825},{"id":"https://openalex.org/keywords/vegetable-production","display_name":"vegetable production","score":0.5839999914169312},{"id":"https://openalex.org/keywords/south-carolina-piedmont","display_name":"South Carolina Piedmont","score":0.8809999823570251}],"concepts":[{"id":"https://openalex.org/C190114075","wikidata":"https://www.wikidata.org/wiki/Q133201","display_name":"Squash","level":2,"score":0.9545114636421204},{"id":"https://openalex.org/C2779656465","wikidata":"https://www.wikidata.org/wiki/Q155180","display_name":"Seedbed","level":3,"score":0.8869926333427429},{"id":"https://openalex.org/C2778573692","wikidata":"https://www.wikidata.org/wiki/Q7229863","display_name":"Cucurbita pepo","level":2,"score":0.7411924600601196},{"id":"https://openalex.org/C16397148","wikidata":"https://www.wikidata.org/wiki/Q878333","display_name":"Tillage","level":2,"score":0.7188024520874023},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.6691902875900269},{"id":"https://openalex.org/C147273371","wikidata":"https://www.wikidata.org/wiki/Q2739141","display_name":"Weed control","level":2,"score":0.5726749300956726},{"id":"https://openalex.org/C2780696901","wikidata":"https://www.wikidata.org/wiki/Q5166322","display_name":"Conventional tillage","level":3,"score":0.511541485786438},{"id":"https://openalex.org/C137660486","wikidata":"https://www.wikidata.org/wiki/Q732240","display_name":"Growing season","level":2,"score":0.5072419047355652},{"id":"https://openalex.org/C2775891814","wikidata":"https://www.wikidata.org/wiki/Q101879","display_name":"Weed","level":2,"score":0.4913388788700104},{"id":"https://openalex.org/C2779315688","wikidata":"https://www.wikidata.org/wiki/Q421450","display_name":"Metribuzin","level":3,"score":0.48858341574668884},{"id":"https://openalex.org/C116370137","wikidata":"https://www.wikidata.org/wiki/Q1227672","display_name":"No-till farming","level":4,"score":0.4734468162059784},{"id":"https://openalex.org/C180429540","wikidata":"https://www.wikidata.org/wiki/Q11464","display_name":"Plough","level":2,"score":0.4367485046386719},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.332755982875824},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.3186296820640564},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.21617469191551208},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.14443710446357727},{"id":"https://openalex.org/C38774213","wikidata":"https://www.wikidata.org/wiki/Q202080","display_name":"Soil fertility","level":3,"score":0.11779335141181946},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"pmh:oai:tigerprints.clemson.edu:all_theses-3266","doi":null,"is_oa":true,"landing_page_url":"https://tigerprints.clemson.edu/all_theses/2261","pdf_url":"https://tigerprints.clemson.edu/cgi/viewcontent.cgi?article=3266&context=all_theses","source":{"id":"https://openalex.org/S4377196397","display_name":"TigerPrints (Clemson University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I8078737","host_organization_name":"Clemson University","host_organization_lineage":["https://openalex.org/I8078737"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"All Theses","raw_type":"text"},{"id":"pmh:oai:open.clemson.edu:all_theses-3266","doi":null,"is_oa":false,"landing_page_url":"https://open.clemson.edu/all_theses/2261","pdf_url":null,"source":{"id":"https://openalex.org/S4377196397","display_name":"TigerPrints (Clemson University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I8078737","host_organization_name":"Clemson University","host_organization_lineage":["https://openalex.org/I8078737"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"All Theses","raw_type":"text"},{"id":"mag:2231295644","doi":null,"is_oa":false,"landing_page_url":"https://tigerprints.clemson.edu/all_theses/2261/","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":{"id":"pmh:oai:tigerprints.clemson.edu:all_theses-3266","doi":null,"is_oa":true,"landing_page_url":"https://tigerprints.clemson.edu/all_theses/2261","pdf_url":"https://tigerprints.clemson.edu/cgi/viewcontent.cgi?article=3266&context=all_theses","source":{"id":"https://openalex.org/S4377196397","display_name":"TigerPrints (Clemson University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I8078737","host_organization_name":"Clemson University","host_organization_lineage":["https://openalex.org/I8078737"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"All Theses","raw_type":"text"},"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306114","display_name":"U.S. Department of Agriculture","ror":"https://ror.org/01na82s61"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2231295644.pdf","grobid_xml":"https://content.openalex.org/works/W2231295644.grobid-xml"},"referenced_works_count":27,"referenced_works":["https://openalex.org/W66614911","https://openalex.org/W430378934","https://openalex.org/W1757826300","https://openalex.org/W1811579588","https://openalex.org/W1967559813","https://openalex.org/W1981231752","https://openalex.org/W2011411245","https://openalex.org/W2028978470","https://openalex.org/W2046901791","https://openalex.org/W2049639021","https://openalex.org/W2052926503","https://openalex.org/W2071145259","https://openalex.org/W2083869761","https://openalex.org/W2099253528","https://openalex.org/W2102885247","https://openalex.org/W2102905667","https://openalex.org/W2111749741","https://openalex.org/W2112849707","https://openalex.org/W2124485847","https://openalex.org/W2147083397","https://openalex.org/W2151293931","https://openalex.org/W2154677234","https://openalex.org/W2155705042","https://openalex.org/W2165394917","https://openalex.org/W2177413521","https://openalex.org/W2219479614","https://openalex.org/W2491460538"],"related_works":["https://openalex.org/W2791606610","https://openalex.org/W7028536950","https://openalex.org/W2971056856","https://openalex.org/W2505673390","https://openalex.org/W7042288759","https://openalex.org/W2530169764","https://openalex.org/W4245488668","https://openalex.org/W4385422622","https://openalex.org/W175430399","https://openalex.org/W2102905667"],"abstract_inverted_index":{"Previous":[0],"research":[1],"in":[2,24,78,81,85,95,107,119,134,148,157,167,171,178,181,184,193,210,214,217,221,231,260],"the":[3,25,37,244,261],"mid-Atlantic":[4],"and":[5,11,54,65,74,122,150,183,216,234,239],"midwestern":[6],"USA":[7],"has":[8],"identified":[9],"advantages":[10],"drawbacks":[12],"of":[13,31,39,47,127],"\"organic":[14],"no-till\"\u009d":[15],"vegetable":[16,258],"production,":[17],"but":[18,173],"few":[19],"studies":[20],"have":[21],"been":[22],"conducted":[23],"warmer":[26],"southeastern":[27],"region.":[28,265],"The":[29],"purpose":[30],"this":[32],"study":[33],"was":[34],"to":[35,137],"examine":[36],"effects":[38],"tillage":[40,45,93,176,199,256],"[no-till":[41],"(NT)":[42],"vs.":[43],"conventional":[44],"(CT)":[46],"a":[48,82,251],"cereal":[49],"rye/crimson":[50],"clover":[51],"cover":[52],"crop]":[53],"three":[55],"nitrogen":[56],"fertilization":[57,155],"rates":[58],"on":[59],"organic":[60,248],"tomato":[61,99,111,123,151,169,179,194],"(Solanum":[62],"lycopersicum":[63],"L.)":[64,70],"summer":[66,257],"squash":[67,149,185,212,219],"(Cucurbita":[68],"pepo":[69],"yield,":[71],"weed":[72,229,237],"suppression,":[73],"soil":[75,83,161,190,204],"N":[76,154,162,191,205],"dynamics":[77],"two":[79],"years":[80,233],"series":[84],"Clemson,":[86],"SC.":[87],"Squash":[88,121],"yields":[89,100,106,112,118,124,152],"were":[90,101,113,131,144,164,196,207],"similar":[91,174,197],"between":[92,153,175,198],"treatments":[94,139,156,177,200],"both":[96,141,187,201,232],"years.":[97,142,188,202],"NT":[98,117,135,168,211,224],"43%":[102],"greater":[103,115,133],"than":[104,116],"CT":[105,110,138,218],"2014,":[108],"whereas":[109],"46%":[114],"2015.":[120,222],"per":[125],"unit":[126],"management":[128,238],"labor":[129],"(time)":[130],"significantly":[132,165,208],"compared":[136],"for":[140,254],"There":[143],"no":[145],"statistical":[146],"differences":[147],"either":[158],"year.":[159],"Pre-season":[160],"levels":[163,192,206],"higher":[166,209],"plots":[170,180,186,195,213,220],"2014":[172,215],"2015":[182],"Post-season":[189,203],"Roller-crimped":[223],"mulches":[225],"provided":[226],"adequate":[227],"early-season":[228],"suppression":[230],"saved":[235],"considerable":[236],"seedbed":[240],"preparation":[241],"labor.":[242],"Overall,":[243],"results":[245],"demonstrated":[246],"that":[247],"no-till":[249],"is":[250],"viable":[252],"method":[253],"reduced":[255],"production":[259],"South":[262],"Carolina":[263],"Piedmont":[264]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
