?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Foar.icrisat.org%2F2245%2F&rft.title=Characterization+of+Benchmark+Spots+of+Selected+Red+and+Black+Soils+in++Semi-Arid+Tropics+of+India+for+Identifying+Systems+for+Carbon+Sequestration+and+Increased+Productivity+in+Semi-Arid+Tropical+Environments%3A+Global+Theme+on+Agroecosystems+Report+no.+42%0D%0A&rft.creator=Bhattacharyya%2C+T&rft.creator=Chandran%2C+P&rft.creator=Ray%2C+S+K&rft.creator=Mandal%2C+C&rft.creator=Pal%2C+D+K&rft.creator=Venugopalan%2C+M+V&rft.creator=Durge%2C+S+L&rft.creator=Srivastava%2C+P&rft.creator=Dubey%2C+P+N&rft.creator=Kamble%2C+G+K&rft.creator=Sharma%2C+R+P&rft.creator=Wani%2C+S+P&rft.creator=Rego%2C+T+J&rft.creator=Ramesh%2C+V&rft.creator=Manna%2C+M+C&rft.subject=Soil+Science&rft.subject=Agriculture-Farming%2C+Production%2C+Technology%2C+Economics&rft.description=Fifty+two+pedons+spread+over+28+Benchmark+(BM)+spots+were+studied+in+different+systems+viz.+agricultural%2C+horticultural%2C%0D%0A+forest+and+wasteland.+The+agricultural+system+represents+dominant+crops+namely+cereals%2C+soybean+and+cotton.+The%0D%0A+horticultural+system+represents+mandarins.+The+forest+systems+represent+teak+(Tectona+sp.)+and+sal+(Shorea+sp.).%0D%0A+The+selection+of+BM+spots+were+limited+to+a+mean+annual+rainfall+(MAR)+range+from+1448+to+520+mm+in+semi-arid%0D%0A+tropics%2C+India+and+encompass+various+bioclimatic+systems+such+as+sub-humid+(moist)+(MAR+%3E1200+mm)%2C+sub-humid%0D%0A+(dry)+(MAR+1200-1000+mm)%2C+semi-arid+(dry)+(1000-850+mm)%2C+semi-arid+(moist)+(850-550+mm)+and+arid+(%3C550+mm).%0D%0A+In+order+to+find+out+the+level+of+carbon+(organic+and+inorganic)+in+soils+as+influenced+by+different+land+use+systems%2C+the+quality+and+quantity+of+(soil)+substrates+require+to+be+similar.+Judging+by+dominantly+clayey+and+smectitic+nature+of+black%0D%0A+soils+(Vertisols+and+their+intergrades)+and+the+associated+red+soils%2C+they+were+selected+for+the+present+study.%0D%0A+The+soils+were+characterized+in+terms+of+morphological%2C+physical+and+chemical+properties+with+the+data+sets+generated%0D%0A+in+the+field+and+laboratory.+Each+profile+was+also+characterized+by+the+climatic+data%2C+indicating+monthly+potential%0D%0A+evapotranspiration+(PET)%2C+rainfall%2C+temperature+and+length+of+growing+period+(LGP)+data.+The+exact+landscape+situations%2C%0D%0A+cropping+patterns+and+typical+soil+profiles+depicted+through+photographs+further+indicate+the+exact+location+of+each+spot%0D%0A+studied+in+this+project.%0D%0A+The+present+document+attempts+to+find+out+various+relation+of+morphological%2C+physical+and+chemical+properties+of+soils%0D%0A+as+far+as+both+organic+and+inorganic+carbon+sequestration+are+concerned.+The+present+document+also+helps+in+estimating%0D%0A++carbon+stock+in+different+system+under+various+bioclimatic+zones+in+semi-arid+tropics%2C+India+as+detailed+in+subsequent%0D%0A+working+reports.%0D%0A&rft.publisher=International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+&rft.date=2008&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.language=en&rft.identifier=http%3A%2F%2Foar.icrisat.org%2F2245%2F1%2FCharacterization_of_benchmark_spots_of_selected_red_and_black_soils_in_semiarid_tropics_of_India_for_identifying_systems_for_carbon_sequestration_and_increased_productivity_in.pdf&rft.identifier=++Bhattacharyya%2C+T+and+Chandran%2C+P+and+Ray%2C+S+K+and+Mandal%2C+C+and+Pal%2C+D+K+and+Venugopalan%2C+M+V+and+Durge%2C+S+L+and+Srivastava%2C+P+and+Dubey%2C+P+N+and+Kamble%2C+G+K+and+Sharma%2C+R+P+and+Wani%2C+S+P+and+Rego%2C+T+J+and+Ramesh%2C+V+and+Manna%2C+M+C++(2008)+Characterization+of+Benchmark+Spots+of+Selected+Red+and+Black+Soils+in+Semi-Arid+Tropics+of+India+for+Identifying+Systems+for+Carbon+Sequestration+and+Increased+Productivity+in+Semi-Arid+Tropical+Environments%3A+Global+Theme+on+Agroecosystems+Report+no.+42.++Monograph.+International+Crops+Research+Institute+for+the+Semi-Arid+Tropics+%2C+Patancheru%2C+Andhra+Pradesh%2C+India.+++++