{"id":"https://openalex.org/W2569764280","doi":null,"title":"Tree intercropping possibilities.","display_name":"Tree intercropping possibilities.","publication_year":1980,"publication_date":"1980-01-01","ids":{"openalex":"https://openalex.org/W2569764280","mag":"2569764280"},"language":"en","primary_location":{"id":"mag:2569764280","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/cabdirect/abstract/19810670590","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/A5023964939","display_name":"Greta A. Watson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"G. A. Watson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5023964939"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.5755796,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"139","last_page":"159"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13009","display_name":"Agroforestry and silvopastoral systems","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/1107","display_name":"Forestry"},"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/T13009","display_name":"Agroforestry and silvopastoral systems","score":0.9854000210762024,"subfield":{"id":"https://openalex.org/subfields/1107","display_name":"Forestry"},"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":0.00989999994635582,"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/T12630","display_name":"African Botany and Ecology Studies","score":0.0017999999690800905,"subfield":{"id":"https://openalex.org/subfields/1107","display_name":"Forestry"},"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/agroforestry","display_name":"agroforestry","score":0.8989999890327454},{"id":"https://openalex.org/keywords/tree-crops","display_name":"tree crops","score":0.4830000102519989},{"id":"https://openalex.org/keywords/crop-livestock-integration","display_name":"crop-livestock integration","score":0.5889999866485596}],"concepts":[{"id":"https://openalex.org/C2781208722","wikidata":"https://www.wikidata.org/wiki/Q853859","display_name":"Intercropping","level":2,"score":0.7390843629837036},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.5902801752090454},{"id":"https://openalex.org/C54286561","wikidata":"https://www.wikidata.org/wiki/Q397350","display_name":"Agroforestry","level":1,"score":0.43646371364593506},{"id":"https://openalex.org/C97137747","wikidata":"https://www.wikidata.org/wiki/Q38112","display_name":"Forestry","level":1,"score":0.32696613669395447},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27528685331344604},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2719269394874573},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.20054927468299866},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.1804618239402771},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2569764280","doi":null,"is_oa":false,"landing_page_url":"https://www.cabdirect.org/cabdirect/abstract/19810670590","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":"Life on land","score":0.7605999708175659,"id":"https://metadata.un.org/sdg/15"},{"display_name":"Zero hunger","score":0.6735000014305115,"id":"https://metadata.un.org/sdg/2"}],"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/W69506566","https://openalex.org/W183993604","https://openalex.org/W3109272646","https://openalex.org/W2195325549","https://openalex.org/W7100500581","https://openalex.org/W245825431","https://openalex.org/W3127790498","https://openalex.org/W3087837430","https://openalex.org/W2240845107","https://openalex.org/W641918934"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2017-01-13T00:00:00"}
