Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2037143275', 'doi': 'https://doi.org/10.1007/bf01347819', 'title': 'Mutual shading as a factor limiting the yield response of rice to application of nitrogen, phosphorus and potassium fertilizers', 'display_name': 'Mutual shading as a factor limiting the yield response of rice to application of nitrogen, phosphorus and potassium fertilizers', 'publication_year': 1966, 'publication_date': '1966-10-01', 'ids': {'openalex': 'https://openalex.org/W2037143275', 'doi': 'https://doi.org/10.1007/bf01347819', 'mag': '2037143275'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01347819', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S11781297', 'display_name': 'Plant and Soil', 'issn_l': '0032-079X', 'issn': ['0032-079X', '1573-5036'], '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/A5033136099', 'display_name': 'Akira Tanaka', 'orcid': 'https://orcid.org/0000-0001-5967-3996'}, 'institutions': [{'id': 'https://openalex.org/I162210093', 'display_name': 'International Rice Research Institute', 'ror': 'https://ror.org/0593p4448', 'country_code': 'PH', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1286583668', 'https://openalex.org/I162210093']}], 'countries': ['PH'], 'is_corresponding': True, 'raw_author_name': 'A. Tanaka', 'raw_affiliation_strings': ['The International Rice Research Institute, Los Baños, Laguna, The Philippines.'], 'affiliations': [{'raw_affiliation_string': 'The International Rice Research Institute, Los Baños, Laguna, The Philippines.', 'institution_ids': ['https://openalex.org/I162210093']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5033136099'], 'corresponding_institution_ids': ['https://openalex.org/I162210093'], 'apc_list': {'value': 3390, 'currency': 'EUR', 'value_usd': 4390, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 6, 'citation_normalized_percentile': {'value': 0.687614, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 80, 'max': 81}, 'biblio': {'volume': '25', 'issue': '2', 'first_page': '201', 'last_page': '210'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12045', 'display_name': 'Rice Water Management and Productivity Enhancement', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant 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/T12045', 'display_name': 'Rice Water Management and Productivity Enhancement', 'score': 0.9971, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant 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': 'Management of Soil Fertility and Crop Productivity', 'score': 0.9507, '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/T11229', 'display_name': 'Cultivar Evaluation and Mega-Environment Investigation', 'score': 0.9361, 'subfield': {'id': 'https://openalex.org/subfields/1110', 'display_name': 'Plant 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/shading', 'display_name': 'Shading', 'score': 0.85745203}, {'id': 'https://openalex.org/keywords/grain-yield', 'display_name': 'Grain Yield', 'score': 0.515871}, {'id': 'https://openalex.org/keywords/soil-fertility', 'display_name': 'Soil Fertility', 'score': 0.510393}, {'id': 'https://openalex.org/keywords/potash', 'display_name': 'Potash', 'score': 0.4588424}, {'id': 'https://openalex.org/keywords/limiting', 'display_name': 'Limiting', 'score': 0.4554174}, {'id': 'https://openalex.org/keywords/plant-physiology', 'display_name': 'Plant physiology', 'score': 0.42151344}], 'concepts': [{'id': 'https://openalex.org/C177515723', 'wikidata': 'https://www.wikidata.org/wiki/Q1191981', 'display_name': 'Shading', 'level': 2, 'score': 0.85745203}, {'id': 'https://openalex.org/C510538283', 'wikidata': 'https://www.wikidata.org/wiki/Q674', 'display_name': 'Phosphorus', 'level': 2, 'score': 0.8311366}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.7847748}, {'id': 'https://openalex.org/C517785266', 'wikidata': 'https://www.wikidata.org/wiki/Q703', 'display_name': 'Potassium', 'level': 2, 'score': 0.76519364}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.73912185}, {'id': 'https://openalex.org/C2780560099', 'wikidata': 'https://www.wikidata.org/wiki/Q83323', 'display_name': 'Fertilizer', 'level': 2, 'score': 0.567802}, {'id': 'https://openalex.org/C134121241', 'wikidata': 'https://www.wikidata.org/wiki/Q899301', 'display_name': 'Yield (engineering)', 'level': 2, 'score': 0.49326962}, {'id': 'https://openalex.org/C12534583', 'wikidata': 'https://www.wikidata.org/wiki/Q10564271', 'display_name': 'Potash', 'level': 3, 'score': 0.4588424}, {'id': 'https://openalex.org/C188198153', 'wikidata': 'https://www.wikidata.org/wiki/Q1613840', 'display_name': 'Limiting', 'level': 2, 'score': 0.4554174}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.4544289}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.44800127}, {'id': 'https://openalex.org/C75639521', 'wikidata': 'https://www.wikidata.org/wiki/Q1283519', 'display_name': 'Field experiment', 'level': 2, 'score': 0.42340028}, {'id': 'https://openalex.org/C161221295', 'wikidata': 'https://www.wikidata.org/wiki/Q185973', 'display_name': 'Plant physiology', 'level': 2, 'score': 0.42151344}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.21000633}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.14378661}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.07544923}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C78519656', 'wikidata': 'https://www.wikidata.org/wiki/Q101333', 'display_name': 'Mechanical engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C142362112', 'wikidata': 'https://www.wikidata.org/wiki/Q735', 'display_name': 'Art', 'level': 0, 'score': 0.0}, {'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/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C153349607', 'wikidata': 'https://www.wikidata.org/wiki/Q36649', 'display_name': 'Visual arts', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1007/bf01347819', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S11781297', 'display_name': 'Plant and Soil', 'issn_l': '0032-079X', 'issn': ['0032-079X', '1573-5036'], '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': [{'score': 0.47, 'display_name': 'Zero hunger', 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 5, 'referenced_works': ['https://openalex.org/W1598626355', 'https://openalex.org/W2017425789', 'https://openalex.org/W276592444', 'https://openalex.org/W3089104480', 'https://openalex.org/W3196369004'], 'related_works': ['https://openalex.org/W2994336186', 'https://openalex.org/W2587512547', 'https://openalex.org/W2393851740', 'https://openalex.org/W2392922321', 'https://openalex.org/W2390827063', 'https://openalex.org/W2383148373', 'https://openalex.org/W2372305560', 'https://openalex.org/W2363758834', 'https://openalex.org/W2361890484', 'https://openalex.org/W2103040079'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2037143275', 'counts_by_year': [{'year': 2023, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 1}], 'updated_date': '2024-09-10T11:57:06.638141', 'created_date': '2016-06-24'}