Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1515384850', 'doi': None, 'title': 'Productivity of pea, barley and their mixtures and the relationship between the grain protein content and nitrogen fertiliser and nitragine.', 'display_name': 'Productivity of pea, barley and their mixtures and the relationship between the grain protein content and nitrogen fertiliser and nitragine.', 'publication_year': 2000, 'publication_date': '2000-01-01', 'ids': {'openalex': 'https://openalex.org/W1515384850', 'mag': '1515384850'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20003038128?start=500', '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/A5004090718', 'display_name': 'A. Auškalnis', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. Auškalnis', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5091612542', 'display_name': 'V. Dovydaitis', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V. Dovydaitis', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], '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': 58}, 'biblio': {'volume': None, 'issue': '69', 'first_page': '33', 'last_page': '55'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13246', 'display_name': 'Effective Microorganisms in Agriculture', 'score': 0.9974, '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/T13246', 'display_name': 'Effective Microorganisms in Agriculture', 'score': 0.9974, '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/T11805', 'display_name': 'Economic and Social Aspects of Agriculture', 'score': 0.9457, 'subfield': {'id': 'https://openalex.org/subfields/3311', 'display_name': 'Safety Research'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T12310', 'display_name': 'Factors Affecting Maize Yield and Lodging Resistance', 'score': 0.9153, '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/grain-quality', 'display_name': 'Grain Quality', 'score': 0.539036}], 'concepts': [{'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.76288134}, {'id': 'https://openalex.org/C204983608', 'wikidata': 'https://www.wikidata.org/wiki/Q2111958', 'display_name': 'Productivity', 'level': 2, 'score': 0.6708244}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.64603245}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.41894996}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.33150026}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.29144585}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.14654884}, {'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/C139719470', 'wikidata': 'https://www.wikidata.org/wiki/Q39680', 'display_name': 'Macroeconomics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20003038128?start=500', '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': [{'score': 0.77, 'id': 'https://metadata.un.org/sdg/2', 'display_name': 'Zero hunger'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W987596007', 'https://openalex.org/W919072131', 'https://openalex.org/W3201244830', 'https://openalex.org/W317557737', 'https://openalex.org/W306343627', 'https://openalex.org/W3024572871', 'https://openalex.org/W2589055935', 'https://openalex.org/W2549887648', 'https://openalex.org/W2245154800', 'https://openalex.org/W2240307197', 'https://openalex.org/W2208342186', 'https://openalex.org/W2176127829', 'https://openalex.org/W2166901109', 'https://openalex.org/W2147533435', 'https://openalex.org/W1927939387', 'https://openalex.org/W1709550383', 'https://openalex.org/W1643131514', 'https://openalex.org/W1419752376', 'https://openalex.org/W1043768192', 'https://openalex.org/W1005773519'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1515384850', 'counts_by_year': [], 'updated_date': '2024-09-16T14:30:24.584016', 'created_date': '2016-06-24'}