Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W787231513', 'doi': None, 'title': 'Shoot nutrient indices as indicators of nitrogen, phosphorus and potassium deficiencies in grassland', 'display_name': 'Shoot nutrient indices as indicators of nitrogen, phosphorus and potassium deficiencies in grassland', 'publication_year': 2000, 'publication_date': '2000-01-01', 'ids': {'openalex': 'https://openalex.org/W787231513', 'mag': '787231513'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20013083231', '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/A5091586575', 'display_name': 'Henning Høgh‐Jensen', 'orcid': 'https://orcid.org/0000-0002-7368-2116'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'H. Høgh-Jensen', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5008567312', 'display_name': 'Jan K. Schjøerring', 'orcid': 'https://orcid.org/0000-0002-2852-3298'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'J. K. Schjørring', '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': None, 'first_page': '124', 'last_page': '131'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T13668', 'display_name': 'Sustainable Management of Rangelands and Livestock', 'score': 0.289, 'subfield': {'id': 'https://openalex.org/subfields/1107', 'display_name': 'Forestry'}, '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/T13668', 'display_name': 'Sustainable Management of Rangelands and Livestock', 'score': 0.289, 'subfield': {'id': 'https://openalex.org/subfields/1107', 'display_name': 'Forestry'}, '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/vegetation', 'display_name': 'Vegetation', 'score': 0.503969}], 'concepts': [{'id': 'https://openalex.org/C510538283', 'wikidata': 'https://www.wikidata.org/wiki/Q674', 'display_name': 'Phosphorus', 'level': 2, 'score': 0.76673365}, {'id': 'https://openalex.org/C142796444', 'wikidata': 'https://www.wikidata.org/wiki/Q181394', 'display_name': 'Nutrient', 'level': 2, 'score': 0.70503235}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.6249384}, {'id': 'https://openalex.org/C21410773', 'wikidata': 'https://www.wikidata.org/wiki/Q220869', 'display_name': 'Shoot', 'level': 2, 'score': 0.6220646}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.6174714}, {'id': 'https://openalex.org/C2775835988', 'wikidata': 'https://www.wikidata.org/wiki/Q1006733', 'display_name': 'Grassland', 'level': 2, 'score': 0.5852773}, {'id': 'https://openalex.org/C517785266', 'wikidata': 'https://www.wikidata.org/wiki/Q703', 'display_name': 'Potassium', 'level': 2, 'score': 0.559145}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.51294106}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.29033518}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.25662088}, {'id': 'https://openalex.org/C18903297', 'wikidata': 'https://www.wikidata.org/wiki/Q7150', 'display_name': 'Ecology', 'level': 1, 'score': 0.17923123}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://www.cabdirect.org/cabdirect/abstract/20013083231', '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', 'score': 0.75, 'display_name': 'Zero hunger'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W349309326', 'https://openalex.org/W3205017939', 'https://openalex.org/W3201106198', 'https://openalex.org/W318670808', 'https://openalex.org/W3164713585', 'https://openalex.org/W305149384', 'https://openalex.org/W3024048248', 'https://openalex.org/W2974641863', 'https://openalex.org/W273934702', 'https://openalex.org/W229171903', 'https://openalex.org/W2264358428', 'https://openalex.org/W2244106507', 'https://openalex.org/W2201721999', 'https://openalex.org/W1778646188', 'https://openalex.org/W1655813867', 'https://openalex.org/W1446672484', 'https://openalex.org/W1438383164', 'https://openalex.org/W1205655584', 'https://openalex.org/W1200479140', 'https://openalex.org/W105970597'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W787231513', 'counts_by_year': [], 'updated_date': '2024-09-16T10:54:07.897100', 'created_date': '2016-06-24'}