Scientific Publication

Comparative Evaluation of ICP-AES and Turbidimetric Methods for Determining Extractable Sulfur in Soils

author(s) Shirisha, K - Sahrawat, K L - Murthy, K V S - Wani, S P - Gajbhiye, P N - Kundu, S
from International Crops Research Institute for the Semi-Arid Tropics (ICRISAT)
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themes
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  • Southern Asia
  • Asia
  • World
citation

Shirisha, K and Sahrawat, K L and Murthy, K V S and Wani, S P and Gajbhiye, P N and Kundu, S (2010) Comparative Evaluation of ICP-AES and Turbidimetric Methods for Determining Extractable Sulfur in Soils. Journal of the Indian Society of Soil Science, 58 (3). pp. 323-326

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Abstract

The deficiency of sulfur (S) as a constraint to crop productivity in irrigated, intensified systems has long been recognized (Kanwar 1972; Pasricha and Fox 1993; Singh 2001). A recent survey of farmers’ fields in the Indian semi-arid tropics (SAT) demonstrated that the deficiency of S, as a constraint to crop production and productivity, is also equally widespread in the rainfed production systems (Rego et al. 2007; Sahrawat et al. 2007). The results of this research further showed that soil testing was effective in diagnosing S deficiency; and the crops grown on farmers’ fields with calcium chloride extractable-S levels of less than 8-10 mg kg-1 soil responded positively to the application of sulfur (Rego et al. 2007)

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