Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1277392223', 'doi': None, 'title': 'US agriculture in 1970.', 'display_name': 'US agriculture in 1970.', 'publication_year': 1970, 'publication_date': '1970-01-01', 'ids': {'openalex': 'https://openalex.org/W1277392223', 'mag': '1277392223'}, 'language': 'ro', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19711800138.html', '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/A5068503874', 'display_name': 'G. Breart', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'G. Breart', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5068503874'], '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': '41', 'issue': None, 'first_page': '1', 'last_page': '20'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11862', 'display_name': 'Agroecology and Global Food Systems', 'score': 0.1134, 'subfield': {'id': 'https://openalex.org/subfields/1100', 'display_name': 'General Agricultural and Biological Sciences'}, '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/T11862', 'display_name': 'Agroecology and Global Food Systems', 'score': 0.1134, 'subfield': {'id': 'https://openalex.org/subfields/1100', 'display_name': 'General Agricultural and Biological Sciences'}, '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/T12033', 'display_name': 'European Agricultural Policy and Reform', 'score': 0.0989, 'subfield': {'id': 'https://openalex.org/subfields/1100', 'display_name': 'General Agricultural and Biological Sciences'}, '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/T11789', 'display_name': 'Land Tenure and Property Rights in Agriculture', 'score': 0.0962, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/agricultural-subsidies', 'display_name': 'agricultural subsidies', 'score': 0.549597}, {'id': 'https://openalex.org/keywords/agroecology', 'display_name': 'Agroecology', 'score': 0.539599}, {'id': 'https://openalex.org/keywords/agrarian-change', 'display_name': 'Agrarian Change', 'score': 0.538888}, {'id': 'https://openalex.org/keywords/farm-succession', 'display_name': 'farm succession', 'score': 0.53124}, {'id': 'https://openalex.org/keywords/eu-agriculture', 'display_name': 'EU agriculture', 'score': 0.530594}], 'concepts': [{'id': 'https://openalex.org/C118518473', 'wikidata': 'https://www.wikidata.org/wiki/Q11451', 'display_name': 'Agriculture', 'level': 2, 'score': 0.585812}, {'id': 'https://openalex.org/C144133560', 'wikidata': 'https://www.wikidata.org/wiki/Q4830453', 'display_name': 'Business', 'level': 0, 'score': 0.33647308}, {'id': 'https://openalex.org/C175605778', 'wikidata': 'https://www.wikidata.org/wiki/Q3299701', 'display_name': 'Natural resource economics', 'level': 1, 'score': 0.33408538}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.33345425}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.20622382}, {'id': 'https://openalex.org/C166957645', 'wikidata': 'https://www.wikidata.org/wiki/Q23498', 'display_name': 'Archaeology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/abstracts/19711800138.html', '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': [{'id': 'https://metadata.un.org/sdg/2', 'display_name': 'Zero hunger', 'score': 0.77}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W790866326', 'https://openalex.org/W639915492', 'https://openalex.org/W324829091', 'https://openalex.org/W3149477643', 'https://openalex.org/W2972318041', 'https://openalex.org/W2917668293', 'https://openalex.org/W2916827070', 'https://openalex.org/W2756598535', 'https://openalex.org/W2609163359', 'https://openalex.org/W2596828780', 'https://openalex.org/W2587903531', 'https://openalex.org/W2549102699', 'https://openalex.org/W2307229482', 'https://openalex.org/W2181192954', 'https://openalex.org/W199337179', 'https://openalex.org/W1943515096', 'https://openalex.org/W1806125934', 'https://openalex.org/W1572279713', 'https://openalex.org/W1550819838', 'https://openalex.org/W1431787690'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1277392223', 'counts_by_year': [], 'updated_date': '2024-09-19T00:06:42.389741', 'created_date': '2016-06-24'}