Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2059795825', 'doi': 'https://doi.org/10.1007/bf00123118', 'title': 'Effect of soil fertility on early growth of Leucaena and Gliricidia in alley farms', 'display_name': 'Effect of soil fertility on early growth of Leucaena and Gliricidia in alley farms', 'publication_year': 1989, 'publication_date': '1989-04-01', 'ids': {'openalex': 'https://openalex.org/W2059795825', 'doi': 'https://doi.org/10.1007/bf00123118', 'mag': '2059795825'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00123118', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S186231457', 'display_name': 'Agroforestry Systems', 'issn_l': '0167-4366', 'issn': ['0167-4366', '1572-9680'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], '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/A5089242280', 'display_name': 'J. Cobbina', 'orcid': None}, 'institutions': [], 'countries': ['NG'], 'is_corresponding': False, 'raw_author_name': 'J. Cobbina', 'raw_affiliation_strings': ['International Livestock Centre for Africa (ILCA) Humid Zone Programme, PMB 5320, Ibandan, Nigeria'], 'affiliations': [{'raw_affiliation_string': 'International Livestock Centre for Africa (ILCA) Humid Zone Programme, PMB 5320, Ibandan, Nigeria', 'institution_ids': []}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5063685060', 'display_name': 'Β. T. Kang', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I64180646', 'display_name': 'International Institute of Tropical Agriculture', 'ror': 'https://ror.org/00va88c89', 'country_code': 'NG', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286583668', 'https://openalex.org/I64180646']}], 'countries': ['NG'], 'is_corresponding': False, 'raw_author_name': 'B. T. Kang', 'raw_affiliation_strings': ['International Institute of Tropical Agriculture, PMB 5320, Ibadan, Nigeria'], 'affiliations': [{'raw_affiliation_string': 'International Institute of Tropical Agriculture, PMB 5320, Ibadan, Nigeria', 'institution_ids': ['https://openalex.org/I64180646']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5082794496', 'display_name': 'A. N. Atta-Krah', 'orcid': None}, 'institutions': [], 'countries': ['NG'], 'is_corresponding': False, 'raw_author_name': 'A. N. Atta-Krah', 'raw_affiliation_strings': ['International Livestock Centre for Africa (ILCA) Humid Zone Programme, PMB 5320, Ibandan, Nigeria'], 'affiliations': [{'raw_affiliation_string': 'International Livestock Centre for Africa (ILCA) Humid Zone Programme, PMB 5320, Ibandan, Nigeria', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 2190, 'currency': 'EUR', 'value_usd': 2790, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 7.089, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 11, 'citation_normalized_percentile': {'value': 0.896067, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 80, 'max': 81}, 'biblio': {'volume': '8', 'issue': '2', 'first_page': '157', 'last_page': '164'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13009', 'display_name': 'Agroforestry Systems and Biodiversity Enhancement', 'score': 0.9683, '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 Systems and Biodiversity Enhancement', 'score': 0.9683, '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/T11880', 'display_name': 'Estimation of Forest Biomass and Carbon Stocks', 'score': 0.9656, 'subfield': {'id': 'https://openalex.org/subfields/2309', 'display_name': 'Nature and Landscape Conservation'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12870', 'display_name': 'Restoration Techniques for Forest Ecosystems', 'score': 0.9649, 'subfield': {'id': 'https://openalex.org/subfields/2309', 'display_name': 'Nature and Landscape Conservation'}, 'field': {'id': 'https://openalex.org/fields/23', 'display_name': 'Environmental Science'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/gliricidia', 'display_name': 'Gliricidia', 'score': 0.9446366}, {'id': 'https://openalex.org/keywords/leucaena', 'display_name': 'Leucaena', 'score': 0.909468}, {'id': 'https://openalex.org/keywords/multipurpose-tree', 'display_name': 'Multipurpose tree', 'score': 0.63371}, {'id': 'https://openalex.org/keywords/soil-properties', 'display_name': 'Soil Properties', 'score': 0.507763}], 'concepts': [{'id': 'https://openalex.org/C2778268778', 'wikidata': 'https://www.wikidata.org/wiki/Q2717303', 'display_name': 'Gliricidia sepium', 'level': 2, 'score': 0.97836673}, {'id': 'https://openalex.org/C2777214192', 'wikidata': 'https://www.wikidata.org/wiki/Q12549487', 'display_name': 'Gliricidia', 'level': 3, 'score': 0.9446366}, {'id': 'https://openalex.org/C2776083151', 'wikidata': 'https://www.wikidata.org/wiki/Q311423', 'display_name': 'Leucaena', 'level': 2, 'score': 0.909468}, {'id': 'https://openalex.org/C2777180298', 'wikidata': 'https://www.wikidata.org/wiki/Q35905', 'display_name': 'Leucaena leucocephala', 'level': 2, 'score': 0.8703344}, {'id': 'https://openalex.org/C38774213', 'wikidata': 'https://www.wikidata.org/wiki/Q202080', 'display_name': 'Soil fertility', 'level': 3, 'score': 0.7163217}, {'id': 'https://openalex.org/C2777804790', 'wikidata': 'https://www.wikidata.org/wiki/Q6935051', 'display_name': 'Multipurpose tree', 'level': 3, 'score': 0.63371}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.5889256}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.56434536}, {'id': 'https://openalex.org/C54286561', 'wikidata': 'https://www.wikidata.org/wiki/Q397350', 'display_name': 'Agroforestry', 'level': 1, 'score': 0.3946429}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.306943}, {'id': 'https://openalex.org/C159750122', 'wikidata': 'https://www.wikidata.org/wiki/Q96621023', 'display_name': 'Soil water', 'level': 2, 'score': 0.28423518}, {'id': 'https://openalex.org/C128758860', 'wikidata': 'https://www.wikidata.org/wiki/Q757163', 'display_name': 'Woody plant', 'level': 2, 'score': 0.2604126}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.10285106}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf00123118', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S186231457', 'display_name': 'Agroforestry Systems', 'issn_l': '0167-4366', 'issn': ['0167-4366', '1572-9680'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319900', 'host_organization_name': 'Springer Science+Business Media', 'host_organization_lineage': ['https://openalex.org/P4310319965', 'https://openalex.org/P4310319900'], 'host_organization_lineage_names': ['Springer Nature', 'Springer Science+Business Media'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2', 'score': 0.8}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 4, 'referenced_works': ['https://openalex.org/W2292309131', 'https://openalex.org/W2488685016', 'https://openalex.org/W2780315075', 'https://openalex.org/W3201937600'], 'related_works': ['https://openalex.org/W283446507', 'https://openalex.org/W2466856364', 'https://openalex.org/W2177591669', 'https://openalex.org/W2163407126', 'https://openalex.org/W2129466808', 'https://openalex.org/W2059795825', 'https://openalex.org/W2035371675', 'https://openalex.org/W2009661053', 'https://openalex.org/W1965644883', 'https://openalex.org/W1680690784'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2059795825', 'counts_by_year': [{'year': 2018, 'cited_by_count': 1}], 'updated_date': '2024-09-25T00:40:45.254347', 'created_date': '2016-06-24'}