{"id":"https://openalex.org/W1908377010","doi":"https://doi.org/10.1071/ar01099","title":"Improving soil physical fertility and crop yield on a clay soil in Western Australia","display_name":"Improving soil physical fertility and crop yield on a clay soil in Western Australia","publication_year":2002,"publication_date":"2002-05-08","ids":{"openalex":"https://openalex.org/W1908377010","doi":"https://doi.org/10.1071/ar01099","mag":"1908377010"},"language":"en","primary_location":{"id":"doi:10.1071/ar01099","doi":"https://doi.org/10.1071/ar01099","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ar01099","pdf_url":null,"source":{"id":"https://openalex.org/S4210234630","display_name":"Australian Journal of Agricultural Research","issn_l":"0004-9409","issn":["0004-9409","1444-9838","1836-0947","1836-5795"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320302","host_organization_name":"CSIRO Publishing","host_organization_lineage":["https://openalex.org/P4310320302"],"host_organization_lineage_names":["CSIRO Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Agricultural Research","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"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/A5032878656","display_name":"Mervat A. Hamza","orcid":"https://orcid.org/0000-0001-6393-4685","observed_orcids":["https://orcid.org/0000-0001-6393-4685"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. A. Hamza","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5069120330","display_name":"Walter K. Anderson","orcid":"https://orcid.org/0000-0003-4940-3102","observed_orcids":["https://orcid.org/0000-0003-4940-3102"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"W. K. Anderson","raw_affiliation_strings":["School of Plant Biology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Plant Biology","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.2098,"has_fulltext":false,"cited_by_count":69,"citation_normalized_percentile":{"value":0.93718684,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"53","issue":"5","first_page":"615","last_page":"620"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12792","display_name":"Soil Management and Crop Yield","score":1.0,"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":1.0,"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/T12294","display_name":"Agricultural Science and Fertilization","score":0.0,"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/T10889","display_name":"Soil erosion and sediment transport","score":0.0,"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/clay-soil","display_name":"clay soil","score":0.8050000071525574},{"id":"https://openalex.org/keywords/soil-physical-fertility","display_name":"soil physical fertility","score":0.8320000171661377},{"id":"https://openalex.org/keywords/subsoiling","display_name":"subsoiling","score":0.7689999938011169},{"id":"https://openalex.org/keywords/gypsum-application","display_name":"gypsum application","score":0.8560000061988831},{"id":"https://openalex.org/keywords/wheat-yield","display_name":"wheat yield","score":0.8560000061988831},{"id":"https://openalex.org/keywords/field-pea","display_name":"field pea","score":0.9409999847412109},{"id":"https://openalex.org/keywords/crop-residue-return","display_name":"crop residue return","score":0.6309999823570251},{"id":"https://openalex.org/keywords/soil-infiltration-rate","display_name":"soil infiltration rate","score":0.8309999704360962},{"id":"https://openalex.org/keywords/soil-strength","display_name":"soil strength","score":0.8859999775886536},{"id":"https://openalex.org/keywords/bulk-density","display_name":"bulk density","score":0.8389999866485596},{"id":"https://openalex.org/keywords/water-stable-aggregates","display_name":"water-stable aggregates","score":0.9919999837875366},{"id":"https://openalex.org/keywords/cation-exchange-capacity","display_name":"cation exchange capacity","score":0.9620000123977661},{"id":"https://openalex.org/keywords/soil-structure","display_name":"soil structure","score":0.574999988079071}],"concepts":[{"id":"https://openalex.org/C20529654","wikidata":"https://www.wikidata.org/wiki/Q1247456","display_name":"Topsoil","level":3,"score":0.7240049839019775},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7233363389968872},{"id":"https://openalex.org/C2779229104","wikidata":"https://www.wikidata.org/wiki/Q82658","display_name":"Gypsum","level":2,"score":0.7128062844276428},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.6506211757659912},{"id":"https://openalex.org/C38774213","wikidata":"https://www.wikidata.org/wiki/Q202080","display_name":"Soil fertility","level":3,"score":0.6210081577301025},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.616077184677124},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.5708215832710266},{"id":"https://openalex.org/C120991184","wikidata":"https://www.wikidata.org/wiki/Q889539","display_name":"Soil structure","level":3,"score":0.5169131755828857},{"id":"https://openalex.org/C93973069","wikidata":"https://www.wikidata.org/wiki/Q899249","display_name":"Bulk density","level":3,"score":0.4770968556404114},{"id":"https://openalex.org/C197484155","wikidata":"https://www.wikidata.org/wiki/Q898477","display_name":"Cation-exchange capacity","level":3,"score":0.4681420922279358},{"id":"https://openalex.org/C27934549","wikidata":"https://www.wikidata.org/wiki/Q1402691","display_name":"Field capacity","level":3,"score":0.43081745505332947},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.29531943798065186},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.18243193626403809},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.13465949892997742},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.08187833428382874},{"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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1071/ar01099","doi":"https://doi.org/10.1071/ar01099","is_oa":false,"landing_page_url":"https://doi.org/10.1071/ar01099","pdf_url":null,"source":{"id":"https://openalex.org/S4210234630","display_name":"Australian Journal of Agricultural Research","issn_l":"0004-9409","issn":["0004-9409","1444-9838","1836-0947","1836-5795"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320302","host_organization_name":"CSIRO Publishing","host_organization_lineage":["https://openalex.org/P4310320302"],"host_organization_lineage_names":["CSIRO Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Australian Journal of Agricultural Research","raw_type":"journal-article"},{"id":"pmh:oai:pure.atira.dk:publications/ce263457-399f-46b5-926b-47fc976e55cb","doi":null,"is_oa":false,"landing_page_url":"https://research-repository.uwa.edu.au/en/publications/ce263457-399f-46b5-926b-47fc976e55cb","pdf_url":null,"source":{"id":"https://openalex.org/S4306402492","display_name":"UWA Profiles and Research Repository (UWA)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I177877127","host_organization_name":"The University of Western Australia","host_organization_lineage":["https://openalex.org/I177877127"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Hamza, M A & Anderson, W 2002, 'Improving soil physical fertility and crop yield on a clay soil in Western Australia', Australian Journal of Agricultural Research, vol. 53, pp. 615-620. https://doi.org/10.1071/AR01099","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9208999872207642,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.4390000104904175,"display_name":"Life on land","id":"https://metadata.un.org/sdg/15"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W1853275544","https://openalex.org/W2092447923","https://openalex.org/W2044612407","https://openalex.org/W7167482171","https://openalex.org/W2086273950","https://openalex.org/W2095305060","https://openalex.org/W2038324794","https://openalex.org/W2006656936","https://openalex.org/W2738304214","https://openalex.org/W1576395928"],"abstract_inverted_index":{"In":[0,184],"the":[1,19,33,90,134,139,159,168,176,189,205,242,254],"low":[2],"rainfall":[3],"area":[4,20],"of":[5,18,55,62,71,124,136,141,175,204,235,244,250,270],"Western":[6,271],"Australia,":[7],"clay":[8],"soils":[9,28],"with":[10,37],"massive":[11],"soil":[12,41,56,76,108,177,193,213,225,236,255,264],"structure":[13],"form":[14],"a":[15,52,97,268],"major":[16],"part":[17],"sown":[21],"to":[22,58,89,181,253,258],"wheat.":[23],"Yield":[24],"increases":[25],"on":[26,39,75,151,161,267],"such":[27],"have":[29],"been":[30],"poor":[31],"in":[32,96,144,241],"last":[34],"decade":[35],"compared":[36],"those":[38],"other":[40],"types.":[42],"An":[43],"experiment":[44,93],"was":[45,94,197],"conducted":[46,95],"over":[47],"4":[48,186],"years":[49,187],"(1997\u20132000)":[50],"using":[51],"factorial":[53],"combination":[54,234],"ripping":[57,230,237],"0.4":[59],"m,":[60],"application":[61,220,240],"commercial":[63],"grade":[64],"gypsum":[65,239],"at":[66,101],"2.5":[67],"t/ha,":[68],"and":[69,87,117,126,212,238,247,263],"addition":[70,135,140],"complete":[72,142,245],"nutrients":[73,143,246],"based":[74],"test":[77],"each":[78],"year.":[79],"All":[80],"crop":[81,182,251,260],"residues":[82,252],"were":[83,120,129,153,163,191],"retained":[84],"after":[85,188],"harvest":[86],"returned":[88],"soil.":[91],"The":[92,147,233],"wheat\u2013field":[98],"pea":[99],"rotation":[100],"Merredin,":[102],"WA.":[103],"Soil":[104],"water":[105,194],"infiltration":[106,195],"rate,":[107],"strength,":[109],"bulk":[110,214],"density,":[111],"water-stable":[112,222],"aggregates,":[113,223],"cation":[114],"exchange":[115],"capacity,":[116],"wheat":[118,125],"yields":[119,123],"measured.":[121],"Grain":[122],"field":[127],"peas":[128],"increased":[130,198,221],"by":[131,199,208,217,228],"deep":[132,229],"ripping,":[133],"gypsum,":[137],"or":[138],"some":[145],"years.":[146],"main":[148,169],"treatment":[149],"effects":[150],"yield":[152,162,262],"additive,":[154],"as":[155],"significant":[156],"interactions":[157],"between":[158],"treatments":[160,170,190],"seldom":[164],"found.":[165],"However,":[166],"all":[167],"also":[171],"significantly":[172],"improved":[173],"many":[174],"physical":[178,265],"properties":[179],"related":[180],"growth.":[183],"2000,":[185],"applied,":[192],"rate":[196],"more":[200],"than":[201],"200%,":[202],"strength":[203],"topsoil":[206],"decreased":[207,216],"around":[209],"1600":[210],"kPa,":[211],"density":[215],"20%.":[218],"Gypsum":[219],"but":[224],"mixing":[226],"caused":[227],"reduced":[231],"them.":[232],"presence":[243],"annual":[248],"return":[249],"is":[256],"suggested":[257],"improve":[259],"grain":[261],"fertility":[266],"range":[269],"Australian":[272],"soils.":[273]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":6}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}