Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W339617790', 'doi': None, 'title': 'Effects of crop rotation systems and nitrogen levels on wheat yield, some soil properties and weed population.', 'display_name': 'Effects of crop rotation systems and nitrogen levels on wheat yield, some soil properties and weed population.', 'publication_year': 2011, 'publication_date': '2011-01-01', 'ids': {'openalex': 'https://openalex.org/W339617790', 'mag': '339617790'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20123239773', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764974521', 'display_name': 'International journal of agriscience.', 'issn_l': '2228-6322', 'issn': ['2228-6322'], '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/A5014747366', 'display_name': 'H Akbari Moghaddam', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'H. A. Moghaddam', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040883892', 'display_name': 'Mahmoud Ramroudi', 'orcid': 'https://orcid.org/0000-0002-3629-136X'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'M. Ramroudi', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029238204', 'display_name': 'Shir Ali Koohkan', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'S. A. Koohkan', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5073557337', 'display_name': 'Hamid Reza Fanaei', 'orcid': 'https://orcid.org/0000-0001-6752-5782'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'H. R. Fanaei', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5035002598', 'display_name': 'A. R. A. Moghaddam', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'A. R. A. Moghaddam', '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': 0.812, 'has_fulltext': False, 'cited_by_count': 9, 'citation_normalized_percentile': {'value': 0.765427, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 84, 'max': 85}, 'biblio': {'volume': '1', 'issue': '3', 'first_page': '156', 'last_page': '163'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12294', 'display_name': 'Management of Soil Fertility and Crop Productivity', 'score': 0.9976, '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'}}, 'topics': [{'id': 'https://openalex.org/T12294', 'display_name': 'Management of Soil Fertility and Crop Productivity', 'score': 0.9976, '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/T12310', 'display_name': 'Factors Affecting Maize Yield and Lodging Resistance', 'score': 0.9976, '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'}}, {'id': 'https://openalex.org/T12436', 'display_name': 'Intercropping in Agricultural Systems', 'score': 0.9911, '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/crop-rotation', 'display_name': 'Crop rotation', 'score': 0.7109053}, {'id': 'https://openalex.org/keywords/crop-yield-stability', 'display_name': 'Crop Yield Stability', 'score': 0.574639}, {'id': 'https://openalex.org/keywords/crop-productivity', 'display_name': 'Crop Productivity', 'score': 0.56998}, {'id': 'https://openalex.org/keywords/soil-fertility', 'display_name': 'Soil Fertility', 'score': 0.556141}, {'id': 'https://openalex.org/keywords/crop-diversity', 'display_name': 'Crop Diversity', 'score': 0.538357}, {'id': 'https://openalex.org/keywords/soil-nutrient-management', 'display_name': 'Soil Nutrient Management', 'score': 0.528457}], 'concepts': [{'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.8155661}, {'id': 'https://openalex.org/C175760724', 'wikidata': 'https://www.wikidata.org/wiki/Q191258', 'display_name': 'Crop rotation', 'level': 3, 'score': 0.7109053}, {'id': 'https://openalex.org/C2775891814', 'wikidata': 'https://www.wikidata.org/wiki/Q101879', 'display_name': 'Weed', 'level': 2, 'score': 0.6414585}, {'id': 'https://openalex.org/C126343540', 'wikidata': 'https://www.wikidata.org/wiki/Q889514', 'display_name': 'Crop yield', 'level': 2, 'score': 0.62079966}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.5795324}, {'id': 'https://openalex.org/C134121241', 'wikidata': 'https://www.wikidata.org/wiki/Q899301', 'display_name': 'Yield (engineering)', 'level': 2, 'score': 0.56675375}, {'id': 'https://openalex.org/C137580998', 'wikidata': 'https://www.wikidata.org/wiki/Q235352', 'display_name': 'Crop', 'level': 2, 'score': 0.50445473}, {'id': 'https://openalex.org/C2908647359', 'wikidata': 'https://www.wikidata.org/wiki/Q2625603', 'display_name': 'Population', 'level': 2, 'score': 0.48903093}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.4516425}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.29324162}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.15822911}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.07325193}, {'id': 'https://openalex.org/C149923435', 'wikidata': 'https://www.wikidata.org/wiki/Q37732', 'display_name': 'Demography', 'level': 1, '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/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20123239773', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S2764974521', 'display_name': 'International journal of agriscience.', 'issn_l': '2228-6322', 'issn': ['2228-6322'], '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/2', 'score': 0.83, 'display_name': 'Zero hunger'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 8, 'referenced_works': ['https://openalex.org/W136628441', 'https://openalex.org/W1966385599', 'https://openalex.org/W1977230943', 'https://openalex.org/W2008623693', 'https://openalex.org/W2026112525', 'https://openalex.org/W2094299942', 'https://openalex.org/W2097100134', 'https://openalex.org/W2110369882'], 'related_works': ['https://openalex.org/W318587050', 'https://openalex.org/W3104493519', 'https://openalex.org/W310364879', 'https://openalex.org/W3030822126', 'https://openalex.org/W2797060984', 'https://openalex.org/W2766074435', 'https://openalex.org/W273403586', 'https://openalex.org/W2554040001', 'https://openalex.org/W245057751', 'https://openalex.org/W237740460', 'https://openalex.org/W2344880454', 'https://openalex.org/W2339839196', 'https://openalex.org/W2337684054', 'https://openalex.org/W2261334148', 'https://openalex.org/W2249965117', 'https://openalex.org/W2007236160', 'https://openalex.org/W1854983145', 'https://openalex.org/W1525046196', 'https://openalex.org/W1517476349', 'https://openalex.org/W1439698421'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W339617790', 'counts_by_year': [{'year': 2021, 'cited_by_count': 2}, {'year': 2019, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 2}, {'year': 2012, 'cited_by_count': 1}], 'updated_date': '2024-09-19T18:03:09.005113', 'created_date': '2016-06-24'}