?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Foar.icrisat.org%2F2511%2F&rft.title=Potential+Productivity+and+Yield+Gap+of+Selected+Crops+in+the+Rainfed+Regions+of+India%2C+Thailand%2C+and+Vietnam%3A+Natural+Resource+Management+Program+Report+no.+5%0D%0A%0D%0A&rft.creator=Singh%2C+P&rft.creator=Vijaya%2C+D&rft.creator=Chinh%2C+N+T&rft.creator=Pongkanjana%2C+A&rft.creator=Prasad%2C+K+S&rft.creator=Srinivas%2C+K&rft.creator=Wani%2C+S+P&rft.subject=Agriculture-Farming%2C+Production%2C+Technology%2C+Economics&rft.description=ICRISAT%E2%80%99s+intervention+in+the+project+%E2%80%9CImproving+Management+of+Natural+Resources+for%0D%0ASustainable+Rainfed+Agriculture%E2%80%9D+funded+by+the+Asian+Development+Bank+aims+to+increase+the%0D%0Aproductivity+and+sustainability+of+the+medium+and+high+water-holding+capacity+soils+in+the%0D%0Aintermediate+rainfall+ecoregion+of+India%2C+Thailand%2C+and+Vietnam.+This+study+examined+the%0D%0Apotential+yield+and+yield+gap+of+selected+crops+predominantly+grown+in+the+target+regions+where%0D%0Athe+project+is+operational.+We+used+the+CROPGRO-soybean+model+to+determine+the+potential%0D%0Ayield+and+yield+gap+of+soybean+crop+for+several+locations+in+India.+For+northeastern+Thailand+and%0D%0Anorthern+Vietnam+we+compared+the+experimental+yields+with+the+farmers%E2%80%99+current+yields+in+the%0D%0Aregion+to+estimate+the+yield+gaps.+It+has+been+estimated+that+for+several+locations+in+India+the%0D%0Asoybean+yield+gap+ranged+from+19%25+to+65%25+of+potential+yield.+For+northeastern+Thailand+the%0D%0Ayield+gap+for+paddy+rice%2C+upland+rice%2C+maize%2C+and+soybean+ranged+from+11%25+to+67%25+of+their%0D%0Arespective+potential+yields.+In+northern+Vietnam+the+farmers%E2%80%99+maize+yields+were+two-third+of+the%0D%0Apotential+yield%3B+however%2C+groundnut+and+soybean+have+a+yield+gap+of+40+to+60%25+of+potential%0D%0Ayield.+Various+constraints+limiting+crop+yields+in+these+regions+have+been+highlighted.+It+is%0D%0Asuggested+that+location-specific+integrated+approaches+would+be+needed+to+bridge+the+yield+gap+of%0D%0Athe+predominant+crops+grown+in+the+target+regions.%0D%0A&rft.publisher=International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+&rft.date=2001&rft.type=Monograph&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Foar.icrisat.org%2F2511%2F1%2F994-2001.pdf&rft.identifier=++Singh%2C+P+and+Vijaya%2C+D+and+Chinh%2C+N+T+and+Pongkanjana%2C+A+and+Prasad%2C+K+S+and+Srinivas%2C+K+and+Wani%2C+S+P++(2001)+Potential+Productivity+and+Yield+Gap+of+Selected+Crops+in+the+Rainfed+Regions+of+India%2C+Thailand%2C+and+Vietnam%3A+Natural+Resource+Management+Program+Report+no.+5.++Monograph.+International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+%2C+Patancheru%2C+Andhra+Pradesh%2C+India.+++++