{"id":"https://openalex.org/W2184354744","doi":null,"title":"Mulching and Potassium Relationships in Hass Avocados to Increase Yield and Fruit Size","display_name":"Mulching and Potassium Relationships in Hass Avocados to Increase Yield and Fruit Size","publication_year":1999,"publication_date":"1999-01-01","ids":{"openalex":"https://openalex.org/W2184354744","mag":"2184354744"},"language":"en","primary_location":{"id":"mag:2184354744","doi":null,"is_oa":false,"landing_page_url":"https://www.avocadosource.com/Journals/SAAGA/SAAGA_1999/SAAGA_1999_PG_110-114.pdf","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},"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/A5072312398","display_name":"Warren Van Niekerk","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Warren Van Niekerk","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035200125","display_name":"B. Nigel Wolstenholme","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"B. N. Wolstenholme","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5025397345","display_name":"M. G. Johnston","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. G. Johnston","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"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/T11546","display_name":"Plant Physiology and Cultivation Studies","score":0.8910999894142151,"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/T11546","display_name":"Plant Physiology and Cultivation Studies","score":0.8910999894142151,"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/T11404","display_name":"Irrigation Practices and Water Management","score":0.09529999643564224,"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":0.007799999788403511,"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/hass-avocado","display_name":"Hass avocado","score":0.996999979019165},{"id":"https://openalex.org/keywords/mulching","display_name":"mulching","score":0.8429999947547913},{"id":"https://openalex.org/keywords/potassium-fertilization","display_name":"potassium fertilization","score":0.949999988079071},{"id":"https://openalex.org/keywords/biennial-bearing","display_name":"biennial bearing","score":0.8610000014305115},{"id":"https://openalex.org/keywords/fruit-yield","display_name":"fruit yield","score":0.8389999866485596},{"id":"https://openalex.org/keywords/fruit-size","display_name":"fruit size","score":0.996999979019165},{"id":"https://openalex.org/keywords/root-zone-temperature","display_name":"root zone temperature","score":0.8889999985694885},{"id":"https://openalex.org/keywords/root-zone-water-content","display_name":"root zone water content","score":0.9580000042915344},{"id":"https://openalex.org/keywords/leaf-nutrient-content","display_name":"leaf nutrient content","score":0.7570000290870667},{"id":"https://openalex.org/keywords/root-and-shoot-growth","display_name":"root and shoot growth","score":0.6919999718666077}],"concepts":[{"id":"https://openalex.org/C175092762","wikidata":"https://www.wikidata.org/wiki/Q549563","display_name":"Mulch","level":2,"score":0.7741442918777466},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.6572877764701843},{"id":"https://openalex.org/C197321923","wikidata":"https://www.wikidata.org/wiki/Q4886","display_name":"Cultivar","level":2,"score":0.6408277153968811},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5537944436073303},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.5369884967803955},{"id":"https://openalex.org/C44670240","wikidata":"https://www.wikidata.org/wiki/Q1299714","display_name":"Habit","level":2,"score":0.5209532976150513},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.4967499375343323},{"id":"https://openalex.org/C517785266","wikidata":"https://www.wikidata.org/wiki/Q703","display_name":"Potassium","level":2,"score":0.4883234202861786},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.43159541487693787},{"id":"https://openalex.org/C21410773","wikidata":"https://www.wikidata.org/wiki/Q220869","display_name":"Shoot","level":2,"score":0.42305225133895874},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3739374279975891},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2810932993888855},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.15196436643600464},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","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/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"id":"https://openalex.org/C542102704","wikidata":"https://www.wikidata.org/wiki/Q183257","display_name":"Psychotherapist","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2184354744","doi":null,"is_oa":false,"landing_page_url":"https://www.avocadosource.com/Journals/SAAGA/SAAGA_1999/SAAGA_1999_PG_110-114.pdf","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":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":0.991100013256073}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2036550645","https://openalex.org/W2119233163","https://openalex.org/W2188663966","https://openalex.org/W2189035481","https://openalex.org/W2315519170"],"related_works":["https://openalex.org/W2563729240","https://openalex.org/W2188663966","https://openalex.org/W2189035481","https://openalex.org/W2185189561","https://openalex.org/W7098432990","https://openalex.org/W7100066899","https://openalex.org/W7098544074","https://openalex.org/W2188626777","https://openalex.org/W2291302698","https://openalex.org/W2184617456"],"abstract_inverted_index":{"The":[0,52],"Hass":[1,27],"cultivar":[2],"is":[3,13,18],"important":[4],"to":[5,48,65,71,155,176,194],"the":[6,83,88,202],"South":[7],"African":[8],"avocado":[9],"industry":[10],"as":[11,62,68],"it":[12],"preferred":[14],"by":[15,208],"consumers,":[16],"and":[17,39,75,78,92,127,164,200],"late":[19],"maturing":[20],"so":[21],"filling":[22],"a":[23,40,55,69,145,182],"niche":[24],"market":[25],"overseas.":[26],"yields,":[28],"although":[29],"higher":[30,162],"than":[31,167],"most":[32],"other":[33,169],"cultivars,":[34],"are":[35,45],"still":[36],"unacceptably":[37],"low":[38],"high":[41],"percentage":[42],"of":[43,54,85,95,139,172,190,204],"fruit":[44,79,109,131,142,165,187,207],"too":[46],"small":[47],"fetch":[49],"good":[50],"prices.":[51],"application":[53],"thick":[56],"composted":[57,66],"filterpress":[58,160,180],"mulch":[59],"was":[60,97],"investigated":[61],"an":[63],"alternative":[64],"pinebark,":[67],"strategy":[70],"help":[72],"alleviate":[73],"stress":[74],"increase":[76],"yield":[77,94,184,199],"size.":[80,188],"In":[81],"addition,":[82],"effect":[84],"potassium":[86,175,193],"on":[87],"biennial":[89,148],"bearing":[90,149],"habit":[91],"mean":[93],"trees":[96,135,177,196],"investigated.":[98],"Trees":[99,157],"were":[100],"evaluated":[101],"over":[102],"two":[103],"years":[104],"(three":[105],"harvests)":[106],"for:":[107],"yield,":[108],"size,":[110],"shoot":[111],"growth,":[112,114],"root":[113,115,118],"zone":[116,119],"temperature,":[117],"water":[120],"content,":[121],"leaf":[122],"nutrient":[123],"level,":[124],"stem":[125],"circumference":[126],"canopy":[128],"diameter.":[129],"Average":[130],"mass":[132],"from":[133],"mulched":[134,158,178],"increased,":[136],"whilst":[137],"number":[138,203],"reject":[140,205],"(small)":[141,206],"decreased,":[143],"with":[144,159,179],"less":[146],"pronounced":[147],"pattern":[150],"being":[151],"evident":[152],"when":[153],"compared":[154],"controls.":[156],"produced":[161],"yields":[163],"size":[166],"all":[168],"treatments.":[170],"Application":[171],"5":[173,191],"kg":[174,192],"showed":[181],"reduced":[183,201],"but":[185],"improved":[186],"Addition":[189],"unmulched":[195],"significantly":[197],"increased":[198],"13%.":[209]},"counts_by_year":[{"year":2022,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}