{"id":"https://openalex.org/W1472520649","doi":null,"title":"The effect of corn and soybean cropping sequence on soil moisture and plant nutrients.","display_name":"The effect of corn and soybean cropping sequence on soil moisture and plant nutrients.","publication_year":1990,"publication_date":"1990-01-01","ids":{"openalex":"https://openalex.org/W1472520649","mag":"1472520649"},"language":"en","primary_location":{"id":"mag:1472520649","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/abstracts/19910744015.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306508156","display_name":"Dissertation Abstracts International, B","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Dissertation Abstracts International. B, Sciences and Engineering","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/A5110150098","display_name":"P. J. Copeland","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"P. J. Copeland","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5110150098"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"51","issue":"6","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":0.8544999957084656,"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":0.8544999957084656,"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/T12436","display_name":"Agronomic Practices and Intercropping Systems","score":0.07429999858140945,"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"}},{"id":"https://openalex.org/T12294","display_name":"Agricultural Science and Fertilization","score":0.018200000748038292,"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/maize","display_name":"maize","score":0.6790000200271606},{"id":"https://openalex.org/keywords/soybean","display_name":"soybean","score":0.9990000128746033},{"id":"https://openalex.org/keywords/cropping-sequence","display_name":"crop sequence","score":0.9269999861717224},{"id":"https://openalex.org/keywords/soil-moisture","display_name":"soil moisture","score":0.8500000238418579},{"id":"https://openalex.org/keywords/plant-nutrients","display_name":"plant nutrients","score":0.9020000100135803},{"id":"https://openalex.org/keywords/crop-rotation","display_name":"crop rotation","score":0.6380000114440918}],"concepts":[{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.805707573890686},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.7335258722305298},{"id":"https://openalex.org/C142796444","wikidata":"https://www.wikidata.org/wiki/Q181394","display_name":"Nutrient","level":2,"score":0.6413716673851013},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6084336638450623},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.5202978253364563},{"id":"https://openalex.org/C93990901","wikidata":"https://www.wikidata.org/wiki/Q3610518","display_name":"Multiple cropping","level":3,"score":0.43962424993515015},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.42797398567199707},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.2305094599723816},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.1826842725276947},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.12021669745445251},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.10096323490142822},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0868084728717804},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.06064516305923462},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:1472520649","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/abstracts/19910744015.html","pdf_url":null,"source":{"id":"https://openalex.org/S4306508156","display_name":"Dissertation Abstracts International, B","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Dissertation Abstracts International. B, Sciences and Engineering","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":1.0}],"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/W1597973453","https://openalex.org/W2944601216","https://openalex.org/W2946009377","https://openalex.org/W2045288340","https://openalex.org/W1970786251","https://openalex.org/W2890942320","https://openalex.org/W2618306045","https://openalex.org/W2220917883","https://openalex.org/W1844636763","https://openalex.org/W2599778411"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-11-01T11:40:01.658920","created_date":"2016-06-24T00:00:00"}