{"id":"https://openalex.org/W50101503","doi":null,"title":"An analysis of the labor-intensive continuous rice production system at IRRI","display_name":"An analysis of the labor-intensive continuous rice production system at IRRI","publication_year":1979,"publication_date":"1979-01-01","ids":{"openalex":"https://openalex.org/W50101503","mag":"50101503"},"language":"en","primary_location":{"id":"mag:50101503","doi":null,"is_oa":false,"landing_page_url":"http://eprints.icrisat.ac.in/8594/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5111375899","display_name":"Yoshinori Morooka","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Yoshinori Morooka","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013957838","display_name":"Robert W. Herdt","orcid":"https://orcid.org/0000-0001-9612-7804","observed_orcids":["https://orcid.org/0000-0001-9612-7804"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Robert W. Herdt","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5018856207","display_name":"L. D. Haws","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. D. Haws","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.3405,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.76464227,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12045","display_name":"Rice Cultivation and Yield Improvement","score":0.9603999853134155,"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":0.9603999853134155,"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/T13899","display_name":"Agricultural Systems and Practices","score":0.0348999984562397,"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/T13508","display_name":"Agricultural Economics and Practices","score":0.0017999999690800905,"subfield":{"id":"https://openalex.org/subfields/1100","display_name":"General Agricultural and Biological Sciences"},"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","display_name":"rice yield","score":0.42500001192092896},{"id":"https://openalex.org/keywords/land-use-efficiency","display_name":"land use efficiency","score":0.7760000228881836},{"id":"https://openalex.org/keywords/labor-use","display_name":"labor utilization","score":0.6949999928474426},{"id":"https://openalex.org/keywords/double-cropping","display_name":"double cropping","score":0.7049999833106995},{"id":"https://openalex.org/keywords/return-on-capital","display_name":"return on capital","score":0.7559999823570251},{"id":"https://openalex.org/keywords/transplanting","display_name":"transplanting","score":0.5699999928474426}],"concepts":[{"id":"https://openalex.org/C2776394811","wikidata":"https://www.wikidata.org/wiki/Q3634497","display_name":"Cropping system","level":3,"score":0.6420457363128662},{"id":"https://openalex.org/C2778348673","wikidata":"https://www.wikidata.org/wiki/Q739302","display_name":"Production (economics)","level":2,"score":0.6363648176193237},{"id":"https://openalex.org/C48824518","wikidata":"https://www.wikidata.org/wiki/Q396340","display_name":"Agricultural economics","level":1,"score":0.5332325100898743},{"id":"https://openalex.org/C13558536","wikidata":"https://www.wikidata.org/wiki/Q785116","display_name":"Cropping","level":3,"score":0.5198817253112793},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.500413179397583},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.4978671073913574},{"id":"https://openalex.org/C93990901","wikidata":"https://www.wikidata.org/wiki/Q3610518","display_name":"Multiple cropping","level":3,"score":0.4927726089954376},{"id":"https://openalex.org/C168741863","wikidata":"https://www.wikidata.org/wiki/Q777671","display_name":"Sowing","level":2,"score":0.4790414571762085},{"id":"https://openalex.org/C37621935","wikidata":"https://www.wikidata.org/wiki/Q3606845","display_name":"Agricultural science","level":1,"score":0.4524841904640198},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.4346546232700348},{"id":"https://openalex.org/C83646750","wikidata":"https://www.wikidata.org/wiki/Q193893","display_name":"Capital (architecture)","level":2,"score":0.4272422194480896},{"id":"https://openalex.org/C2776842983","wikidata":"https://www.wikidata.org/wiki/Q581319","display_name":"Production system (computer science)","level":3,"score":0.4243304431438446},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.3674454092979431},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.35883277654647827},{"id":"https://openalex.org/C88463610","wikidata":"https://www.wikidata.org/wiki/Q194118","display_name":"Agricultural engineering","level":1,"score":0.3504253029823303},{"id":"https://openalex.org/C118518473","wikidata":"https://www.wikidata.org/wiki/Q11451","display_name":"Agriculture","level":2,"score":0.2693599462509155},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2258785367012024},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.12878277897834778},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.10825076699256897},{"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/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"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/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:50101503","doi":null,"is_oa":false,"landing_page_url":"http://eprints.icrisat.ac.in/8594/","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9208999872207642,"display_name":"Zero hunger","id":"https://metadata.un.org/sdg/2"},{"score":0.48510000109672546,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W659499896","https://openalex.org/W2595036756","https://openalex.org/W2808278785","https://openalex.org/W232706848","https://openalex.org/W2008312172","https://openalex.org/W4391629531","https://openalex.org/W2140195555","https://openalex.org/W2764101765","https://openalex.org/W2237806043","https://openalex.org/W3114521038"],"abstract_inverted_index":{"A":[0],"thrice-weekly":[1],"rice":[2,47,75,110,112],"planting":[3],"and":[4,24,40,66,83,153],"harvesting":[5],"system":[6,14,49,91,162,174],"on":[7,108,130],"a":[8,93],"250-m2":[9],"plot":[10,132],"is":[11,15],"evaluated.":[12],"The":[13,45],"compared":[16,147],"with":[17,148],"conventional":[18,73,101],"production":[19,48,76],"systems":[20],"in":[21,26,105,163],"the":[22,43,64,70,79,90,100,159,164,169,172],"Philippines":[23],"elsewhere":[25],"terms":[27],"of":[28,42,72,99,150],"production,":[29],"land":[30,61,96],"use,":[31,33],"labour":[32,34,82],"distribution,":[35],"waste":[36],"requirement,":[37],"capital":[38,84],"use":[39],"economics":[41],"system.":[44],"continuous":[46,109],"(rice":[50],"garden)":[51],"efficiently":[52],"utilizes":[53],"about":[54],"twice":[55,97],"as":[56,58],"much":[57],"labour,":[59],"uses":[60],"fully":[62],"throughout":[63],"year":[65],"produces":[67],"three":[68],"times":[69],"output":[71],"two-crop":[74],"systems.":[77],"With":[78],"return":[80,94,170],"to":[81,95],"accounted":[85],"at":[86],"their":[87],"opportunity":[88],"cost,":[89],"provides":[92],"that":[98,125],"system.ADDITIONAL":[102],"ABSTRACT:In":[103],"1976-7":[104],"an":[106],"experiment":[107],"cropping,":[111],"cv.":[113],"IR26":[114],"was":[115,137,167],"transplanted":[116],"into":[117],"250":[118],"m2":[119],"plots":[120],"every":[121],"other":[122],"day":[123],"so":[124],"4":[126],"crops":[127],"were":[128],"grown":[129],"each":[131],"annually.":[133],"Total":[134],"grain":[135],"yield":[136],"23":[138],"t/ha":[139,152],"annually":[140],"giving":[141],"full":[142],"employment":[143,154],"for":[144,155],"3":[145],"men,":[146],"yields":[149],"10":[151],"1":[156],"man":[157],"under":[158],"current":[160],"double-cropping":[161,173],"Philippines.":[165],"Return/ha":[166],"2-fold":[168],"from":[171]},"counts_by_year":[],"updated_date":"2026-09-21T07:43:02.447757","created_date":"2016-06-24T00:00:00"}
