Assessment of Organic Carbon Status in Indian Soils - Soil Carbon: Science, Management and Policy for Multiple Benefits - page 330

Table 28.1. Soil carbon stocks in different bioclimatic systems in India. (From Bhattacharyya et al ., 2008.)

Area SOC SIC TC Pg Mha − 1

Per cent of
total SOC

Per cent of
total SIC

Per cent of
total TC Bioclimatic systems a Coverage (Mha) TGA (%) Stock Pg Stock Pg Stock Pg SOC SIC

Arid cold 15.2 4.6 0.6 6 0.7 17 2.7 20 0.0192 0.0327

Arid hot 36.8 11. 2 0.4 4 1. 0 25

Semi-arid 116.4 35.4 2.9 30 1. 9 47 4.8 35 0.0249 0.0163

Subhumid 105 31.9 2.5 26 0.3 8 2.8 20 0.0238 0.0029

Humid to per humid 34.9 10.6 2.1 21 0.04 1 2.14 15 0.0602 0.0011

Coastal 20.4 6.2 1. 3 13 0.07 2 1.37 10 0.0637 0.0034

a Ranges in rainfall: arid = <550 mm; semi-arid = 550-1000 mm; subhumid = 1000-1500 mm; humid to per humid = 1200-3200 mm; coastal = 900-3000 mm. SOC, soil organic
carbon; SIC, soil inorganic carbon; TC, total carbon; TGA, total geographical area.