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Sahrawat, K L and Bhattacharyya, T and Wani, S P and Chandran, P and Ray, S K and Pal, D K and Padmaja, K V (2005) Long-term lowland rice and arable cropping effects on carbon and nitrogen status of some semi-arid tropical soils. Current Science, 89 (12). pp. 2159-2163.
Ramesh, V and Wani, S P and Rego, T J and Sharma, K L and Bhattacharyya, T and Sahrawat, K L and Padmaja, K V and Gangadhar Rao, D and Venkateswarlu, B and Vanaja, M and Manna, M C and Srinivas, K and Maruthi, V (2007) Chemical Characterization of Selected Benchmark Spots for C Sequestration in the Semi-Arid Tropics, India. Journal of SAT Agricultural Research, 5 (1). pp. 1-109. ISSN 0973-3094