{"id":"https://openalex.org/W2345940990","doi":"https://doi.org/10.17957/ijab/15.0177","title":"Estimating Grain Yield Based on BSW and SPAD at Grain Filling Stage in Double Rice Cropping System of China","display_name":"Estimating Grain Yield Based on BSW and SPAD at Grain Filling Stage in Double Rice Cropping System of China","publication_year":2016,"publication_date":"2016-05-03","ids":{"openalex":"https://openalex.org/W2345940990","doi":"https://doi.org/10.17957/ijab/15.0177","mag":"2345940990"},"language":"en","primary_location":{"id":"doi:10.17957/ijab/15.0177","doi":"https://doi.org/10.17957/ijab/15.0177","is_oa":true,"landing_page_url":"https://doi.org/10.17957/ijab/15.0177","pdf_url":"https://doi.org/10.17957/ijab/15.0177","source":{"id":"https://openalex.org/S26277462","display_name":"International Journal of Agriculture and Biology","issn_l":"1560-8530","issn":["1560-8530","1814-9596"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4324113243","host_organization_name":"Friends Science Publishers","host_organization_lineage":["https://openalex.org/P4324113243"],"host_organization_lineage_names":["Friends Science Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Agriculture and Biology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.17957/ijab/15.0177","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5112672658","display_name":"Liu Kailou","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210108914","display_name":"Institute of Agricultural Resources and Regional Planning","ror":"https://ror.org/01nrzdp21","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210108914","https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210138501","display_name":"Chinese Academy of Agricultural Sciences","ror":"https://ror.org/0313jb750","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liu Kailou","raw_affiliation_strings":["National Engineering Laboratory for Improving Quality of Arable Land / Institute of Agricultural Resources and Regional Planning , Chinese Academy of Agricultural Sciences , Beijing 100081 , China","National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Improving Quality of Arable Land / Institute of Agricultural Resources and Regional Planning , Chinese Academy of Agricultural Sciences , Beijing 100081 , China","institution_ids":["https://openalex.org/I4210108914","https://openalex.org/I4210138501"]},{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064493065","display_name":"Yazhen Li","orcid":"https://orcid.org/0000-0002-9309-9382","observed_orcids":["https://orcid.org/0000-0002-9309-9382"]},"institutions":[{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Li Yazhen","raw_affiliation_strings":["National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041257482","display_name":"Paolan Yu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Paolan","raw_affiliation_strings":["National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101992319","display_name":"Yan Pei Wu","orcid":"https://orcid.org/0000-0002-0290-4084","observed_orcids":["https://orcid.org/0000-0002-0290-4084"]},"institutions":[{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wu Yan","raw_affiliation_strings":["National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Zhou Lijun","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhou Lijun","raw_affiliation_strings":["National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070489047","display_name":"Huiwen Hu","orcid":"https://orcid.org/0000-0001-5820-3431","observed_orcids":["https://orcid.org/0000-0001-5820-3431","https://orcid.org/0009-0002-9882-7446"]},"institutions":[{"id":"https://openalex.org/I4210143877","display_name":"Jiangxi Institute of Red Soil","ror":"https://ror.org/04vrkaw11","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210143877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hu Huiwen","raw_affiliation_strings":["National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering and Technology Research Center for Red Soil Improvement; Jiangxi Institute of Red Soil, Jinxian 331717, China","institution_ids":["https://openalex.org/I4210143877"]}]},{"author_position":"last","author":{"id":null,"display_name":"Zhang Huimin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210108914","display_name":"Institute of Agricultural Resources and Regional Planning","ror":"https://ror.org/01nrzdp21","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210108914","https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210138501","display_name":"Chinese Academy of Agricultural Sciences","ror":"https://ror.org/0313jb750","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Zhang Huimin","raw_affiliation_strings":["National Engineering Laboratory for Improving Quality of Arable Land / Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Improving Quality of Arable Land / Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China","institution_ids":["https://openalex.org/I4210108914","https://openalex.org/I4210138501"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210108914","https://openalex.org/I4210138501"],"apc_list":null,"apc_paid":null,"fwci":0.9797,"has_fulltext":true,"cited_by_count":5,"citation_normalized_percentile":{"value":0.75823587,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"889","last_page":"894"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9961000084877014,"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/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9961000084877014,"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":0.0017000000225380063,"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":"Crop Yield and Soil Fertility","score":0.0012000000569969416,"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/rice-yield-prediction","display_name":"rice yield prediction","score":0.7089999914169312},{"id":"https://openalex.org/keywords/spad-chlorophyll-meter","display_name":"SPAD chlorophyll meter","score":0.824999988079071},{"id":"https://openalex.org/keywords/grain-filling-duration","display_name":"grain filling stage","score":0.9639999866485596},{"id":"https://openalex.org/keywords/double-rice-cropping-system","display_name":"double rice cropping system","score":0.8230000138282776},{"id":"https://openalex.org/keywords/nbpt","display_name":"NBPT","score":0.7440000176429749},{"id":"https://openalex.org/keywords/urea","display_name":"urea","score":0.5600000023841858},{"id":"https://openalex.org/keywords/nitrogen-fertilization","display_name":"nitrogen fertilization","score":0.47099998593330383},{"id":"https://openalex.org/keywords/yield-estimation","display_name":"yield estimation","score":0.5370000004768372}],"concepts":[{"id":"https://openalex.org/C2992211155","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Grain yield","level":2,"score":0.7619144916534424},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.7609378695487976},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7388330698013306},{"id":"https://openalex.org/C93990901","wikidata":"https://www.wikidata.org/wiki/Q3610518","display_name":"Multiple cropping","level":3,"score":0.6234164834022522},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.6012904047966003},{"id":"https://openalex.org/C2776394811","wikidata":"https://www.wikidata.org/wiki/Q3634497","display_name":"Cropping system","level":3,"score":0.5830591320991516},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.5790301561355591},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.531764566898346},{"id":"https://openalex.org/C146357865","wikidata":"https://www.wikidata.org/wiki/Q1123245","display_name":"Stage (stratigraphy)","level":2,"score":0.4800632894039154},{"id":"https://openalex.org/C126343540","wikidata":"https://www.wikidata.org/wiki/Q889514","display_name":"Crop yield","level":2,"score":0.4617929458618164},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.13138824701309204},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.1262589395046234},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.12474295496940613},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.10683590173721313},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.06615877151489258},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political 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},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.17957/ijab/15.0177","doi":"https://doi.org/10.17957/ijab/15.0177","is_oa":true,"landing_page_url":"https://doi.org/10.17957/ijab/15.0177","pdf_url":"https://doi.org/10.17957/ijab/15.0177","source":{"id":"https://openalex.org/S26277462","display_name":"International Journal of Agriculture and Biology","issn_l":"1560-8530","issn":["1560-8530","1814-9596"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4324113243","host_organization_name":"Friends Science Publishers","host_organization_lineage":["https://openalex.org/P4324113243"],"host_organization_lineage_names":["Friends Science Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Agriculture and Biology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.17957/ijab/15.0177","doi":"https://doi.org/10.17957/ijab/15.0177","is_oa":true,"landing_page_url":"https://doi.org/10.17957/ijab/15.0177","pdf_url":"https://doi.org/10.17957/ijab/15.0177","source":{"id":"https://openalex.org/S26277462","display_name":"International Journal of Agriculture and Biology","issn_l":"1560-8530","issn":["1560-8530","1814-9596"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4324113243","host_organization_name":"Friends Science Publishers","host_organization_lineage":["https://openalex.org/P4324113243"],"host_organization_lineage_names":["Friends Science Publishers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Agriculture and Biology","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2","score":1.0}],"study_designs":[],"awards":[{"id":"https://openalex.org/G1828425977","display_name":null,"funder_award_id":"973 Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2224587830","display_name":null,"funder_award_id":"201203030","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3075759360","display_name":null,"funder_award_id":"2011CB100501","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7132120419","display_name":"\u7a3b\u7530\u571f\u58e4\u53ef\u6eb6\u6027\u6709\u673a\u7269\u5f71\u54cd\u7532\u70f7\u4ea7\u751f\u7684\u5fae\u751f\u7269\u673a\u5236","funder_award_id":"41301269","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2345940990.pdf","grobid_xml":"https://content.openalex.org/works/W2345940990.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1587192146","https://openalex.org/W1970386805","https://openalex.org/W1970549443","https://openalex.org/W1983002953","https://openalex.org/W1984007130","https://openalex.org/W2008808335","https://openalex.org/W2010929931","https://openalex.org/W2036137927","https://openalex.org/W2046292468","https://openalex.org/W2048512974","https://openalex.org/W2058660221","https://openalex.org/W2122792884","https://openalex.org/W2129521813","https://openalex.org/W2133559960","https://openalex.org/W2137583501","https://openalex.org/W2141850577","https://openalex.org/W2357419172","https://openalex.org/W2361243837"],"related_works":["https://openalex.org/W2748214172","https://openalex.org/W1991737538","https://openalex.org/W2383531100","https://openalex.org/W2048512974","https://openalex.org/W3045417939","https://openalex.org/W2176220967","https://openalex.org/W7098196402","https://openalex.org/W4320727989","https://openalex.org/W4366112257","https://openalex.org/W2268541067"],"abstract_inverted_index":{"It":[0],"may":[1],"be":[2,200,218],"good":[3],"to":[4],"estimate":[5],"rice":[6,231],"yield":[7,111,123,131,198,216],"based":[8],"on":[9],"root":[10,101,134],"bleeding":[11],"snap":[12],"weight":[13],"(BSW)":[14],"and":[15,54,70,80,84,98,103,109,121,136,154,166,196,207,223],"leaf":[16,104,137],"soil":[17],"plant":[18],"analysis":[19],"development":[20],"(SPAD)":[21],"at":[22,37,113,192,225],"grain":[23,92,110,122,130,151,193,197,215,226],"filling":[24,93,194,227],"stages":[25],"in":[26,142,156,163,171,229],"southeast":[27],"China.There":[28],"were":[29,86,107,139,159],"seven":[30],"treatments:":[31],"(N-butyl)":[32],"thiophosphoric":[33],"triamide":[34],"(NBPT)":[35],"applied":[36,87],"rates":[38],"of":[39,96,132,144,211],"0.00,":[40],"0.50,":[41],"0.75,":[42],"1.00,":[43],"1.25,":[44],"1.50%":[45],"with":[46,146,148],"urea":[47],"@":[48],"135":[49],"kg":[50,63,72],"N":[51],"ha":[52,65,74],"-1":[53,66,75],"CK":[55],"(no":[56],"NBPT":[57,145,158,177],"or":[58,180],"urea).All":[59],"treatments":[60],"received":[61],"75":[62],"P2O5":[64,68],"(superphosphate,":[67],"12%)":[69],"150":[71],"K2O":[73,78],"(potassium":[76],"sulfate,":[77],"60%),":[79],"then":[81],"all":[82],"fertilizer":[83],"inhibitor":[85],"once":[88],"as":[89],"base":[90],"fertilizer.At":[91],"stage,":[94],"both":[95],"early":[97,164],"late":[99,172],"rice,":[100,133],"BSW":[102,135,153,222],"SPAD":[105,120,138,155,191,224],"readings":[106],"obtained":[108],"determined":[112],"harvesting.In":[114],"addition,":[115],"the":[116,129,184,187,214],"relationship":[117,188],"between":[118,189],"BSW,":[119,190],"was":[124,178],"established.The":[125],"results":[126],"showed":[127],"that":[128],"increased":[140,167],"significantly":[141],"application":[143],"urea.Compared":[147],"0%":[149],"NBPT,":[150],"yield,":[152],"1.00%":[157],"improved":[160],"by11.9-33.0%,7.1-74.3%and":[161],"4.6-31.7%":[162],"rice;":[165],"by":[168,202,221],"8.4-33.0%,7.9-75.0%and":[169],"4.4-19.5%":[170],"rice.However,":[173],"these":[174],"decreased":[175],"when":[176],"less":[179],"more":[181],"than":[182],"1.00%.On":[183],"other":[185],"hand,":[186],"stage":[195,228],"could":[199,217],"fitted":[201],"two-variable":[203],"linear":[204],"equation":[205],"(p<0.05);":[206],"which":[208],"provided":[209],"better":[210,220],"validation":[212],"experiment.Therefore,":[213],"predicted":[219],"double":[230],"cropping":[232],"system.":[233]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}