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Published online 15 February 2008
Published in Soil Sci Soc Am J 72:534-540 (2008)
DOI: 10.2136/sssaj2005.0369
© 2008 Soil Science Society of America
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Carbon Sequestration in Native Prairie, Perennial Grass, No-Till, and Cultivated Palouse Silt Loam

T. J. Purakayasthaa,*, D. R. Hugginsb and J. L. Smithb

a Div. of Soil Science and Agricultural Chemistry, Indian Agricultural Research Institute, New Delhi 110012, India
b USDA-ARS Pacific West Area Land Management and Water Conservation Research Unit, Pullman, WA 99164-6421


Figure 1
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  		Fig. 1. Cumulative C mineralization from soils with management practices of native prairie (NP), 11 yr perennial grass under the Conservation Reserve Program (CRP), conventional tillage followed by no-till for 28 yr (NT28), bluegrass seed production for 9 yr followed by no-till for 4 yr (BGNT4), conventional tillage followed by no-till for 4 yr (NT4), no-till reestablished for 1 yr following 10 yr no-till and 3 yr conventional tillage (NTR), and >100 yr conventional tillage (CT) at three soil depths. Vertical bars indicate the least significant difference (LSD) at P = 0.05 for interaction of weeks of incubation and cumulative C mineralization.

 




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