Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2428148397', 'doi': None, 'title': '[Effects of phosphorus fertilization on yield of winter wheat and utilization of soil nitrogen].', 'display_name': '[Effects of phosphorus fertilization on yield of winter wheat and utilization of soil nitrogen].', 'publication_year': 2015, 'publication_date': '2015-02-01', 'ids': {'openalex': 'https://openalex.org/W2428148397', 'mag': '2428148397', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/26094458'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/26094458', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['pubmed'], '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/A5101514378', 'display_name': 'Dan Xing', 'orcid': 'https://orcid.org/0000-0003-4563-6312'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Dan Xing', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5044100508', 'display_name': 'Shuwen Li', 'orcid': 'https://orcid.org/0000-0001-9511-2555'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Shu-wen Li', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5044226655', 'display_name': 'Bo Xia', 'orcid': 'https://orcid.org/0000-0001-7694-4743'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Bo Xia', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5057344014', 'display_name': 'Wen Hong-da', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Hong-da Wen', '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': 0.154, 'has_fulltext': False, 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.557068, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 79, 'max': 81}, 'biblio': {'volume': '26', 'issue': '2', 'first_page': '437', 'last_page': '42'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12642', 'display_name': 'Polymer-Based Agricultural Enhancements', 'score': 0.9245, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12642', 'display_name': 'Polymer-Based Agricultural Enhancements', 'score': 0.9245, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/winter-wheat', 'display_name': 'Winter wheat', 'score': 0.47462}], 'concepts': [{'id': 'https://openalex.org/C88972607', 'wikidata': 'https://www.wikidata.org/wiki/Q2666904', 'display_name': 'Human fertilization', 'level': 2, 'score': 0.78929126}, {'id': 'https://openalex.org/C510538283', 'wikidata': 'https://www.wikidata.org/wiki/Q674', 'display_name': 'Phosphorus', 'level': 2, 'score': 0.7398077}, {'id': 'https://openalex.org/C537208039', 'wikidata': 'https://www.wikidata.org/wiki/Q627', 'display_name': 'Nitrogen', 'level': 2, 'score': 0.6638073}, {'id': 'https://openalex.org/C6557445', 'wikidata': 'https://www.wikidata.org/wiki/Q173113', 'display_name': 'Agronomy', 'level': 1, 'score': 0.63238215}, {'id': 'https://openalex.org/C183688256', 'wikidata': 'https://www.wikidata.org/wiki/Q11982', 'display_name': 'Photosynthesis', 'level': 2, 'score': 0.5867756}, {'id': 'https://openalex.org/C2780560099', 'wikidata': 'https://www.wikidata.org/wiki/Q83323', 'display_name': 'Fertilizer', 'level': 2, 'score': 0.56677085}, {'id': 'https://openalex.org/C134121241', 'wikidata': 'https://www.wikidata.org/wiki/Q899301', 'display_name': 'Yield (engineering)', 'level': 2, 'score': 0.5215247}, {'id': 'https://openalex.org/C75639521', 'wikidata': 'https://www.wikidata.org/wiki/Q1283519', 'display_name': 'Field experiment', 'level': 2, 'score': 0.5195087}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.51337135}, {'id': 'https://openalex.org/C2992211155', 'wikidata': 'https://www.wikidata.org/wiki/Q889514', 'display_name': 'Grain yield', 'level': 2, 'score': 0.50073075}, {'id': 'https://openalex.org/C3018661444', 'wikidata': 'https://www.wikidata.org/wiki/Q6977574', 'display_name': 'Winter wheat', 'level': 2, 'score': 0.47462}, {'id': 'https://openalex.org/C204983608', 'wikidata': 'https://www.wikidata.org/wiki/Q2111958', 'display_name': 'Productivity', 'level': 2, 'score': 0.4479305}, {'id': 'https://openalex.org/C140793950', 'wikidata': 'https://www.wikidata.org/wiki/Q168091', 'display_name': 'Animal science', 'level': 1, 'score': 0.4397121}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.3282594}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'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/C139719470', 'wikidata': 'https://www.wikidata.org/wiki/Q39680', 'display_name': 'Macroeconomics', '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/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', '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': [{'descriptor_ui': 'D005308', 'descriptor_name': 'Fertilizers', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': True}, {'descriptor_ui': 'D009584', 'descriptor_name': 'Nitrogen', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': True}, {'descriptor_ui': 'D010758', 'descriptor_name': 'Phosphorus', 'qualifier_ui': 'Q000032', 'qualifier_name': 'analysis', 'is_major_topic': True}, {'descriptor_ui': 'D014908', 'descriptor_name': 'Triticum', 'qualifier_ui': 'Q000378', 'qualifier_name': 'metabolism', 'is_major_topic': True}, {'descriptor_ui': 'D000383', 'descriptor_name': 'Agriculture', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009566', 'descriptor_name': 'Nitrates', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D009566', 'descriptor_name': 'Nitrates', 'qualifier_ui': 'Q000737', 'qualifier_name': 'chemistry', 'is_major_topic': False}, {'descriptor_ui': 'D009584', 'descriptor_name': 'Nitrogen', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010758', 'descriptor_name': 'Phosphorus', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D010788', 'descriptor_name': 'Photosynthesis', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018515', 'descriptor_name': 'Plant Leaves', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D018515', 'descriptor_name': 'Plant Leaves', 'qualifier_ui': 'Q000254', 'qualifier_name': 'growth & development', 'is_major_topic': False}, {'descriptor_ui': 'D012621', 'descriptor_name': 'Seasons', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012639', 'descriptor_name': 'Seeds', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D012987', 'descriptor_name': 'Soil', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014908', 'descriptor_name': 'Triticum', 'qualifier_ui': '', 'qualifier_name': None, 'is_major_topic': False}, {'descriptor_ui': 'D014908', 'descriptor_name': 'Triticum', 'qualifier_ui': 'Q000254', 'qualifier_name': 'growth & development', 'is_major_topic': False}], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/26094458', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.57, '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/W3176720396', 'https://openalex.org/W2997522740', 'https://openalex.org/W2963475352', 'https://openalex.org/W2552246836', 'https://openalex.org/W2393774939', 'https://openalex.org/W2364717421', 'https://openalex.org/W2359151520', 'https://openalex.org/W2357119762', 'https://openalex.org/W2354356612', 'https://openalex.org/W1980595613'], 'abstract_inverted_index': {'In': [0, 99, 221], 'order': [1], 'to': [2, 29, 93, 142], 'evaluate': [3], 'the': [4, 13, 31, 50, 75, 94, 104, 118, 125, 130, 157, 165, 194, 223, 245], 'threshold': [5, 240], 'of': [6, 16, 21, 33, 87, 96, 112, 134, 149, 168, 185, 208, 227, 247, 257], 'phosphorus': [7], '(P)': [8], 'application': [9, 57, 102, 225], 'rate': [10, 226], 'and': [11, 41, 68, 81, 110, 151, 180, 187, 205, 219, 251, 255], 'improve': [12], 'utilization': [14], 'efficiency': [15, 199, 203], 'fertilizers': [17], 'in': [18, 160, 212, 233, 241], 'Baoding': [19], 'region': [20], 'Hebei': [22], 'Province,': [23], 'a': [24], 'field': [25], 'experiment': [26], 'was': [27, 91, 140, 170], 'conducted': [28], 'examine': [30], 'impacts': [32], 'P': [34, 56, 101, 154, 209, 224], 'fertilization': [35, 155], 'on': [36], 'wheat': [37, 114, 132, 248], 'yield,': [38, 249], 'soil': [39, 162, 258], 'NO(3-)-N': [40, 158], 'nitrogen': [42, 250], 'use': [43, 198, 253], 'efficiency.': [44], 'Results': [45], 'showed': [46], 'that,': [47], 'compared': [48], 'with': [49, 55], 'CK': [51], '(P0),': [52], 'all': [53], 'treatments': [54], '(P1,': [58], '120': [59, 228], 'kg': [60, 65, 71, 136, 229], '·': [61, 66, 72, 137, 230], 'hm(-2);': [62], 'P2,': [63], '240': [64], 'hm(-2)': [67, 231], 'P3,': [69], '480': [70], 'hm(-2))': [73], 'increased': [74, 103], 'plant': [76, 86], 'height,': [77], 'flag': [78], 'leaf': [79, 83], 'areas': [80, 84], 'total': [82, 166], 'per': [85, 108, 121], 'winter': [88, 113], 'wheat,': [89], 'which': [90, 139], 'conducive': [92], 'accumulation': [95, 167, 256], 'photosynthetic': [97], 'products.': [98], 'addition,': [100], 'spike': [105, 109], 'number,': [106], 'kernels': [107], 'yield': [111, 133], 'but': [115, 144, 191], 'slightly': [116], 'decreased': [117], 'grain': [119, 176], 'mass': [120], '1000': [122], 'seeds.': [123], 'Of': [124], 'P-fertilized': [126], 'treatments,': [127], 'P2': [128, 188, 218], 'had': [129], 'highest': [131], '6102': [135], 'hm(-2),': [138], 'similar': [141, 190], 'P1': [143, 186, 213], 'significantly': [145, 215], 'greater': [146, 192, 216], 'than': [147, 193, 217], 'those': [148], 'P0': [150], 'P3.': [152, 220], 'Furthermore,': [153], 'reduced': [156], 'content': [159], 'top': [161], 'layer': [163], 'although': [164], 'NO3-': [169], 'still': [171], 'rather': [172], 'high.': [173], 'The': [174, 197], 'N': [175, 181], 'production': [177], 'efficiencies': [178, 183, 254], '(GPE(N))': [179], 'uptake': [182], '(UE(N))': [184], 'were': [189, 214], 'other': [195], 'treatments.': [196], '(UR(P))': [200], ',': [201], 'agronomic': [202], '(AE(P))': [204], 'partial': [206], 'productivity': [207], 'fertilizer': [210], '(PFP(P))': [211], 'conclusion,': [222], '(P1)': [232], 'this': [234], 'study': [235], 'could': [236], 'be': [237], 'an': [238], 'appropriate': [239], 'Baoding,': [242], 'Hebei,': [243], 'from': [244], 'aspects': [246], 'phosphate': [252], 'NO3-.': [259]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2428148397', 'counts_by_year': [{'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 1}], 'updated_date': '2025-01-09T23:55:12.855167', 'created_date': '2016-06-24'}