Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2730786347', 'doi': None, 'title': 'Effective rainfalls in winter wheat in Southern Bulgaria.', 'display_name': 'Effective rainfalls in winter wheat in Southern Bulgaria.', 'publication_year': 2010, 'publication_date': '2010-01-01', 'ids': {'openalex': 'https://openalex.org/W2730786347', 'mag': '2730786347'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20133149143', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525374', 'display_name': "Rasteniev'dni Nauki", 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, '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/A5035373069', 'display_name': 'В. Георгиева', 'orcid': 'https://orcid.org/0000-0002-9796-5583'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V. Georgieva', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5051315956', 'display_name': 'Milena Moteva', 'orcid': 'https://orcid.org/0000-0002-9861-2966'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M. Moteva', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5018741198', 'display_name': 'Valentin Kazandjiev', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'V. Kazandjiev', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5090196398', 'display_name': 'G. Gáspár-Máthéné', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'G. Gáspár-Máthéné', 'raw_affiliation_strings': [], 'affiliations': []}], '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': 64}, 'biblio': {'volume': '47', 'issue': '2', 'first_page': '136', 'last_page': '143'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12310', 'display_name': 'Factors Affecting Maize Yield and Lodging Resistance', 'score': 0.9481, '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': 0.9481, '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/winter-wheat', 'display_name': 'Winter wheat', 'score': 0.6194535}, {'id': 'https://openalex.org/keywords/grain-quality', 'display_name': 'Grain Quality', 'score': 0.473522}], 'concepts': [{'id': 'https://openalex.org/C3018661444', 'wikidata': 'https://www.wikidata.org/wiki/Q6977574', 'display_name': 'Winter wheat', 'level': 2, 'score': 0.6194535}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.3844512}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.37595457}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.36845696}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.16366044}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20133149143', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525374', 'display_name': "Rasteniev'dni Nauki", 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'journal'}, '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/13', 'display_name': 'Climate action', 'score': 0.55}, {'id': 'https://metadata.un.org/sdg/2', 'display_name': 'Zero hunger', 'score': 0.44}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W989550480', 'https://openalex.org/W854412176', 'https://openalex.org/W769552973', 'https://openalex.org/W424102514', 'https://openalex.org/W3162170873', 'https://openalex.org/W3123390190', 'https://openalex.org/W3094956514', 'https://openalex.org/W3094809915', 'https://openalex.org/W2783246370', 'https://openalex.org/W262734187', 'https://openalex.org/W2585737244', 'https://openalex.org/W2549653686', 'https://openalex.org/W2419345753', 'https://openalex.org/W239551963', 'https://openalex.org/W2142715722', 'https://openalex.org/W2025952428', 'https://openalex.org/W1885294679', 'https://openalex.org/W148514369', 'https://openalex.org/W1445464300', 'https://openalex.org/W1161114804'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2730786347', 'counts_by_year': [], 'updated_date': '2024-08-27T19:05:52.120883', 'created_date': '2017-07-14'}