Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2184897680', 'doi': None, 'title': 'Early results from an alley cropping experiment in the humid lowlands of Papua New Guinea.', 'display_name': 'Early results from an alley cropping experiment in the humid lowlands of Papua New Guinea.', 'publication_year': 1992, 'publication_date': '1992-01-01', 'ids': {'openalex': 'https://openalex.org/W2184897680', 'mag': '2184897680'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19950604965.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764714601', 'display_name': 'Nitrogen Fixing Tree Research Reports', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5082724929', 'display_name': 'R.M. Brook', 'orcid': 'https://orcid.org/0000-0001-5023-708X'}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'R. M. Brook', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5082724929'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.752, 'has_fulltext': False, 'cited_by_count': 9, 'citation_normalized_percentile': {'value': 0.695925, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 77, 'max': 78}, 'biblio': {'volume': '10', 'issue': None, 'first_page': '73', 'last_page': '76'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13396', 'display_name': 'Evolution and Sustainability of Livestock Farming Systems', 'score': 0.9019, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, '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/T13396', 'display_name': 'Evolution and Sustainability of Livestock Farming Systems', 'score': 0.9019, 'subfield': {'id': 'https://openalex.org/subfields/1105', 'display_name': 'Ecology, Evolution, Behavior and Systematics'}, '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/new-guinea', 'display_name': 'New guinea', 'score': 0.87569124}, {'id': 'https://openalex.org/keywords/alley', 'display_name': 'Alley', 'score': 0.6003989}, {'id': 'https://openalex.org/keywords/agroecology', 'display_name': 'Agroecology', 'score': 0.466293}], 'concepts': [{'id': 'https://openalex.org/C3017739461', 'wikidata': 'https://www.wikidata.org/wiki/Q40285', 'display_name': 'New guinea', 'level': 2, 'score': 0.87569124}, {'id': 'https://openalex.org/C54286561', 'wikidata': 'https://www.wikidata.org/wiki/Q397350', 'display_name': 'Agroforestry', 'level': 1, 'score': 0.6115082}, {'id': 'https://openalex.org/C2776371253', 'wikidata': 'https://www.wikidata.org/wiki/Q1251403', 'display_name': 'Alley', 'level': 2, 'score': 0.6003989}, {'id': 'https://openalex.org/C13558536', 'wikidata': 'https://www.wikidata.org/wiki/Q785116', 'display_name': 'Cropping', 'level': 3, 'score': 0.57435375}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.5248701}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.47259885}, {'id': 'https://openalex.org/C97137747', 'wikidata': 'https://www.wikidata.org/wiki/Q38112', 'display_name': 'Forestry', 'level': 1, 'score': 0.347274}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.3461212}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.21912122}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.175742}, {'id': 'https://openalex.org/C118518473', 'wikidata': 'https://www.wikidata.org/wiki/Q11451', 'display_name': 'Agriculture', 'level': 2, 'score': 0.13402322}, {'id': 'https://openalex.org/C2549261', 'wikidata': 'https://www.wikidata.org/wiki/Q43455', 'display_name': 'Ethnology', 'level': 1, 'score': 0.06876966}, {'id': 'https://openalex.org/C95457728', 'wikidata': 'https://www.wikidata.org/wiki/Q309', 'display_name': 'History', 'level': 0, 'score': 0.06372729}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19950604965.html', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764714601', 'display_name': 'Nitrogen Fixing Tree Research Reports', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Climate action', 'id': 'https://metadata.un.org/sdg/13', 'score': 0.46}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W846334201', 'https://openalex.org/W313194061', 'https://openalex.org/W3033906934', 'https://openalex.org/W302939314', 'https://openalex.org/W302565809', 'https://openalex.org/W2555540356', 'https://openalex.org/W2549063367', 'https://openalex.org/W2547888254', 'https://openalex.org/W2521893599', 'https://openalex.org/W251443028', 'https://openalex.org/W241772178', 'https://openalex.org/W2301330350', 'https://openalex.org/W2253512057', 'https://openalex.org/W2239835415', 'https://openalex.org/W2161395744', 'https://openalex.org/W210692963', 'https://openalex.org/W1896006248', 'https://openalex.org/W1733120557', 'https://openalex.org/W1260258924', 'https://openalex.org/W103665454'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2184897680', 'counts_by_year': [{'year': 2020, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 2}], 'updated_date': '2024-09-19T17:41:11.806543', 'created_date': '2016-06-24'}