Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1455653978', 'doi': None, 'title': 'New information on the effect of fertilizer application, utilization and humus on the yield development of sown meadows.', 'display_name': 'New information on the effect of fertilizer application, utilization and humus on the yield development of sown meadows.', 'publication_year': 1970, 'publication_date': '1970-01-01', 'ids': {'openalex': 'https://openalex.org/W1455653978', 'mag': '1455653978'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/19710702411', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306504070', 'display_name': 'Bayerisches Landwirtschaftliches Jahrbuch', '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/A5070030224', 'display_name': 'F. Zürn', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'F. Zürn', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5070030224'], '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': '47', 'issue': '8', 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12618', 'display_name': 'Botany and Plant Ecology Studies', 'score': 0.9989, '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/T12618', 'display_name': 'Botany and Plant Ecology Studies', 'score': 0.9989, '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/T13246', 'display_name': 'Agriculture, Plant Science, Crop Management', 'score': 0.9985, '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': 'Agricultural economics and policies', 'score': 0.9938, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/humus', 'display_name': 'Humus', 'score': 0.8594903}], 'concepts': [{'id': 'https://openalex.org/C52201283', 'wikidata': 'https://www.wikidata.org/wiki/Q172645', 'display_name': 'Humus', 'level': 3, 'score': 0.8594903}, {'id': 'https://openalex.org/C134121241', 'wikidata': 'https://www.wikidata.org/wiki/Q899301', 'display_name': 'Yield (engineering)', 'level': 2, 'score': 0.7129802}, {'id': 'https://openalex.org/C2780560099', 'wikidata': 'https://www.wikidata.org/wiki/Q83323', 'display_name': 'Fertilizer', 'level': 2, 'score': 0.6951964}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.39243802}, {'id': 'https://openalex.org/C205649164', 'wikidata': 'https://www.wikidata.org/wiki/Q1071', 'display_name': 'Geography', 'level': 0, 'score': 0.33744723}, {'id': 'https://openalex.org/C54286561', 'wikidata': 'https://www.wikidata.org/wiki/Q397350', 'display_name': 'Agroforestry', 'level': 1, 'score': 0.33031678}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.32365543}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.3175705}, {'id': 'https://openalex.org/C159390177', 'wikidata': 'https://www.wikidata.org/wiki/Q9161265', 'display_name': 'Soil science', 'level': 1, 'score': 0.09852624}, {'id': 'https://openalex.org/C159750122', 'wikidata': 'https://www.wikidata.org/wiki/Q96621023', 'display_name': 'Soil water', 'level': 2, 'score': 0.09549788}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.079226285}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', '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/19710702411', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306504070', 'display_name': 'Bayerisches Landwirtschaftliches Jahrbuch', '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': [{'display_name': 'Zero hunger', 'score': 0.83, 'id': 'https://metadata.un.org/sdg/2'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W629990483', 'https://openalex.org/W348645570', 'https://openalex.org/W331693495', 'https://openalex.org/W3151256103', 'https://openalex.org/W3148596889', 'https://openalex.org/W3022695766', 'https://openalex.org/W2928283887', 'https://openalex.org/W276957421', 'https://openalex.org/W264608692', 'https://openalex.org/W2638082063', 'https://openalex.org/W2608597119', 'https://openalex.org/W2549343884', 'https://openalex.org/W2543220194', 'https://openalex.org/W217986076', 'https://openalex.org/W2009938947', 'https://openalex.org/W1720131135', 'https://openalex.org/W1596473082', 'https://openalex.org/W1588271678', 'https://openalex.org/W1469748891', 'https://openalex.org/W1457123654'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1455653978', 'counts_by_year': [], 'updated_date': '2024-12-08T19:19:35.282568', 'created_date': '2016-06-24'}