?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Foar.icrisat.org%2F11982%2F&rft.title=Grain+legumes+and+dryland+cereals+for+enhancing+carbon+sequestration+in+semi-arid+and+sub-humid+agro-ecologies+of+Africa+and+South+Asia&rft.creator=Kuyah%2C+S&rft.creator=Muoni%2C+T&rft.creator=Bayala%2C+J&rft.creator=Chopin%2C+P&rft.creator=Dahlin%2C+A+S&rft.creator=Hughes%2C+K&rft.creator=Jonsson%2C+M&rft.creator=Shalander%2C+K&rft.creator=Sileshi%2C+W&rft.creator=Dimobe%2C+K&rft.creator=%C3%96born%2C+I&rft.subject=Millets&rft.subject=CO2+emissions&rft.subject=Sorghum&rft.subject=Food+and+Nutrition&rft.subject=Food+Security&rft.description=Sorghum%2C+millets+(pearl+and+finger+millet)+and+grain+legumes+(chickpea%2C+common+bean%2C+cowpea%2C+lentils%2C+pigeon+pea+and+soybean)%2C+collectively+referred+to+as+GLDC+under+the+CGIAR+research+program+on+Grain+Legumes+and+Dryland+Cereals%2C+are+commonly+grown%2C+eaten+and+traded+by+small+holder+farmers+in+Africa+and+South+Asia.+These+crops+contribute+to+food+and+nutritional+security%2C+environmental+sustainability%2C+and+economic+growth+in+the+region.+However%2C+their+possible+contribution+to+carbon+sequestration+through+biomass+production+and+accumulation+of+soil+organic+carbon+(SOC)+is+not+known.+To+find+out+more+about+their+contribution%2C+and+how+to+increase+SOC%2C+this+study+reviewed+the+evidence+of+carbon+sequestration+in+farming+systems+that+integrate+GLDC+in+Africa+and+South+Asia.+A+total+of+437+publications+reporting+SOC+and+its+proxies+across+32+countries+in+Africa+(N%3D250+studies)+and+South+Asia+(N%3D187)+were+identified+as+sources+of+evidence+for+carbon+sequestration.+Among+these%2C+179+publications+provided+appropriate+control+groups+for+evaluating+changes+in+aboveground+carbon+when+GLDC+were+integrated+under+intercrop+(n%3D38)%2C+crop+rotation+(n%3D8)+or+agroforestry+(n%3D13)%2C+or+when+improved+varieties+of+GLDC+were+compared+with+local+varieties+(n%3D14).+A+further+81+publications+compared+SOC+content+at+the+start+and+the+end+of+the+experiment+while+43+publications+compared+SOC+between+farms+growing+GLDC+and+those+which+did+not.+Aboveground+carbon+of+GLDC+was+found+to+be+1.51%C2%B10.05+Mg%2Fha+in+Africa+and+2.29%C2%B10.10+Mg%2Fha+in+South+Asia.+Absolute+SOC+concentration+in+the+topsoil+(0-30+cm)+was+0.96%C2%B10.06%25+in+Africa+and+0.58%C2%B10.04+in+South+Asia.+It+was+observed+that+GLDC+produced+more+aboveground+carbon+and+significantly+increased+SOC+when+grown+as+intercrops+and+in+crop+rotations.+The+increase%2C+however%2C+depended+on+the+species+and+whether+the+crop+was+a+legume+or+a+cereal.+The+largest+amount+of+aboveground+carbon+(%3E2+Mg%2Fha)+was+found+in+cereals+(and+pigeon+pea)+while+the+largest+increase+in+SOC+was+found+in+farming+systems+that+included+legumes.+Aboveground+carbon+of+improved+varieties+of+GLDC+was+lower+compared+to+local+varieties.+Soils+which+had+low+initial+(%3C1%25)+SOC+but+high+clay+content+(%3E32%25)+showed+the+greatest+potential+for+carbon+sequestration+when+GLDC+were+grown.+Among+the+GLDC+crops%2C+pigeon+pea+which+is+a+perennial+grain+legume+showed+the+highest+biomass+production+and+carbon+sequestration+in+the+soil+when+integrated+into+farming+systems+in+Africa+and+South+Asia.+Findings+from+this+study+underscore+the+importance+of+aboveground+residues+in+regulating+the+addition+of+carbon+to+the+soil%2C+and+the+role+of+legumes+in+the+enhancement+of+SOC.&rft.publisher=ICRISAT&rft.date=2022&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Foar.icrisat.org%2F11982%2F1%2FGrain%2520legumes%2520and%2520dryland%2520cereals%2520for%2520enhancing_WPS%25206.pdf&rft.identifier=++Kuyah%2C+S+and+Muoni%2C+T+and+Bayala%2C+J+and+Chopin%2C+P+and+Dahlin%2C+A+S+and+Hughes%2C+K+and+Jonsson%2C+M+and+Shalander%2C+K+and+Sileshi%2C+W+and+Dimobe%2C+K+and+%C3%96born%2C+I++(2022)+Grain+legumes+and+dryland+cereals+for+enhancing+carbon+sequestration+in+semi-arid+and+sub-humid+agro-ecologies+of+Africa+and+South+Asia.++Working+Paper.+ICRISAT%2C+Hyderabad.+++++