Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W791287050', 'doi': None, 'title': 'The effect of manure on the response of corn to nitrogen and phosphorus', 'display_name': 'The effect of manure on the response of corn to nitrogen and phosphorus', 'publication_year': 1966, 'publication_date': '1966-01-01', 'ids': {'openalex': 'https://openalex.org/W791287050', 'mag': '791287050'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'http://arizona.openrepository.com/arizona/handle/10150/347553', 'pdf_url': None, 'source': None, '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/A5070062043', 'display_name': 'E. J. Udo', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Eno Jumbo Udo', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5070062043'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, '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': {'min': 0, 'max': 60}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12310', 'display_name': 'Factors Affecting Maize Yield and Lodging Resistance', 'score': 0.6855, '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'}}, 'topics': [{'id': 'https://openalex.org/T12310', 'display_name': 'Factors Affecting Maize Yield and Lodging Resistance', 'score': 0.6855, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/nitrogen-uptake', 'display_name': 'Nitrogen Uptake', 'score': 0.526528}], 'concepts': [{'id': 'https://openalex.org/C38304854', 'wikidata': 'https://www.wikidata.org/wiki/Q185716', 'display_name': 'Manure', 'level': 2, 'score': 0.7099096}, {'id': 'https://openalex.org/C510538283', 'wikidata': 'https://www.wikidata.org/wiki/Q674', 'display_name': 'Phosphorus', 'level': 2, 'score': 0.67681515}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.6283635}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.60909283}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.50587434}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.22460657}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.11784628}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'http://arizona.openrepository.com/arizona/handle/10150/347553', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Zero hunger', 'score': 0.8, 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W89511582', 'https://openalex.org/W758216388', 'https://openalex.org/W746481084', 'https://openalex.org/W321013672', 'https://openalex.org/W3118794494', 'https://openalex.org/W2745136186', 'https://openalex.org/W258033586', 'https://openalex.org/W247123380', 'https://openalex.org/W241950942', 'https://openalex.org/W237621059', 'https://openalex.org/W2269958311', 'https://openalex.org/W2244551350', 'https://openalex.org/W215861134', 'https://openalex.org/W2033637701', 'https://openalex.org/W1801256592', 'https://openalex.org/W1742485350', 'https://openalex.org/W1544811925', 'https://openalex.org/W1512235642', 'https://openalex.org/W1457066711', 'https://openalex.org/W124625153'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W791287050', 'counts_by_year': [], 'updated_date': '2024-09-19T06:15:27.450302', 'created_date': '2016-06-24'}