{"id":"https://openalex.org/W2018987614","doi":"https://doi.org/10.1080/02566702.1984.9647964","title":"The effect of nitrogen on the development and photosynthetic activity ofdigitaria erianthasteud. subsp.eriantha","display_name":"The effect of nitrogen on the development and photosynthetic activity ofdigitaria erianthasteud. subsp.eriantha","publication_year":1984,"publication_date":"1984-01-01","ids":{"openalex":"https://openalex.org/W2018987614","doi":"https://doi.org/10.1080/02566702.1984.9647964","mag":"2018987614"},"language":"en","primary_location":{"id":"doi:10.1080/02566702.1984.9647964","doi":"https://doi.org/10.1080/02566702.1984.9647964","is_oa":false,"landing_page_url":"https://doi.org/10.1080/02566702.1984.9647964","pdf_url":null,"source":{"id":"https://openalex.org/S4210193980","display_name":"Journal of the Grassland Society of Southern Africa","issn_l":"0256-6702","issn":["0256-6702"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Grassland Society of Southern Africa","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109381145","display_name":"Maureen M. Wolfson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"Maureen M. Wolfson","raw_affiliation_strings":["Department of Botany, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, 2001"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Botany, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, 2001","institution_ids":["https://openalex.org/I192619145"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113590068","display_name":"Christopher F. Cresswell","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192619145","display_name":"University of the Witwatersrand","ror":"https://ror.org/03rp50x72","country_code":"ZA","type":"education","lineage":["https://openalex.org/I192619145"]}],"countries":["ZA"],"is_corresponding":false,"raw_author_name":"C.F. Cresswell","raw_affiliation_strings":["Department of Botany, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, 2001"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Botany, University of the Witwatersrand, 1 Jan Smuts Avenue, Johannesburg, 2001","institution_ids":["https://openalex.org/I192619145"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I192619145"],"apc_list":null,"apc_paid":null,"fwci":3.4573,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.89814815,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1","issue":"1","first_page":"33","last_page":"36"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13591","display_name":"Pasture and Agricultural Systems","score":0.28929999470710754,"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/T13591","display_name":"Pasture and Agricultural Systems","score":0.28929999470710754,"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/T11247","display_name":"Plant nutrient uptake and metabolism","score":0.1370999962091446,"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/T12294","display_name":"Agricultural Science and Fertilization","score":0.133200004696846,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/digitaria-eriantha","display_name":"Digitaria eriantha","score":0.9110000133514404},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.8040000200271606},{"id":"https://openalex.org/keywords/nitrate-nitrogen","display_name":"nitrate nitrogen","score":0.906000018119812},{"id":"https://openalex.org/keywords/ammonia-nitrogen","display_name":"ammonia nitrogen","score":1.0},{"id":"https://openalex.org/keywords/photosynthetic-rate","display_name":"photosynthetic rate","score":0.718999981880188},{"id":"https://openalex.org/keywords/dry-matter-production","display_name":"dry matter production","score":0.8320000171661377},{"id":"https://openalex.org/keywords/leaf-area","display_name":"leaf area","score":0.9869999885559082},{"id":"https://openalex.org/keywords/plant-development","display_name":"plant development","score":0.6570000052452087},{"id":"https://openalex.org/keywords/flowering","display_name":"flowering","score":0.9589999914169312}],"concepts":[{"id":"https://openalex.org/C183688256","wikidata":"https://www.wikidata.org/wiki/Q11982","display_name":"Photosynthesis","level":2,"score":0.7538448572158813},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.738973081111908},{"id":"https://openalex.org/C2775898069","wikidata":"https://www.wikidata.org/wiki/Q163915","display_name":"Digitaria","level":2,"score":0.6063135862350464},{"id":"https://openalex.org/C2780138947","wikidata":"https://www.wikidata.org/wiki/Q393855","display_name":"Dry matter","level":2,"score":0.5767126083374023},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.5608195066452026},{"id":"https://openalex.org/C2779870022","wikidata":"https://www.wikidata.org/wiki/Q190901","display_name":"Ammonium","level":2,"score":0.48313066363334656},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.43920114636421204},{"id":"https://openalex.org/C2776384668","wikidata":"https://www.wikidata.org/wiki/Q182168","display_name":"Nitrate","level":2,"score":0.41556739807128906},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.3396949768066406},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.32599207758903503},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2981875538825989},{"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/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/02566702.1984.9647964","doi":"https://doi.org/10.1080/02566702.1984.9647964","is_oa":false,"landing_page_url":"https://doi.org/10.1080/02566702.1984.9647964","pdf_url":null,"source":{"id":"https://openalex.org/S4210193980","display_name":"Journal of the Grassland Society of Southern Africa","issn_l":"0256-6702","issn":["0256-6702"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the Grassland Society of Southern Africa","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.875,"id":"https://metadata.un.org/sdg/2","display_name":"Zero hunger"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W139576612","https://openalex.org/W327335560","https://openalex.org/W1989729869","https://openalex.org/W2009031961","https://openalex.org/W2012901692","https://openalex.org/W2028111919","https://openalex.org/W2031208487","https://openalex.org/W2036065645","https://openalex.org/W2060907485","https://openalex.org/W2062748726","https://openalex.org/W2167780153","https://openalex.org/W2317675668","https://openalex.org/W2398502122","https://openalex.org/W2514534768"],"related_works":["https://openalex.org/W7113701509","https://openalex.org/W1999730345","https://openalex.org/W2486881540","https://openalex.org/W2040077567","https://openalex.org/W1986489788","https://openalex.org/W1965468653","https://openalex.org/W2519307353","https://openalex.org/W2522907701","https://openalex.org/W4319443478","https://openalex.org/W2349392380"],"abstract_inverted_index":{"Digitaria":[0],"eriantha":[1],"Steud.":[2],"subsp.":[3],"eriantha,":[4],"plants":[5,21],"were":[6],"grown":[7],"under":[8],"controlled":[9],"conditions":[10],"and":[11,16,39,94,102],"treated":[12],"with":[13,33,81],"different":[14],"concentrations":[15],"forms":[17],"of":[18,51,77,84,90,96],"nitrogen.":[19],"The":[20,44,74,92],"showed":[22],"a":[23,104],"preference":[24],"for":[25],"nitrate":[26,52],"nitrogen,":[27,32],"as":[28,48],"opposed":[29],"to":[30,62,65],"ammonium":[31],"greater":[34],"total":[35],"dry":[36],"matter":[37],"production":[38],"leaf":[40],"areas":[41],"being":[42],"recorded.":[43],"effect":[45],"was":[46,54],"enhanced":[47],"the":[49,66,70,82,88],"concentration":[50,95],"nitrogen":[53,97],"increased.":[55],"Whole":[56],"plant":[57],"net":[58],"photosynthetic":[59,78],"rates":[60],"appeared":[61],"vary":[63],"according":[64],"units":[67],"in":[68],"which":[69],"activity":[71,79],"is":[72],"expressed.":[73],"optimum":[75],"levels":[76],"differed":[80],"stage":[83],"development,":[85],"depending":[86],"on":[87],"basis":[89],"expression.":[91],"form":[93],"applied":[98],"influenced":[99],"morphological":[100],"development":[101],"flowering,":[103],"result":[105],"that":[106],"could":[107],"have":[108],"important":[109],"economic":[110],"implications.":[111]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
