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Soil Sulfur Forms in Relation to Physical and Chemical Properties of Midhill Soils of North India
Abstract:Sulfur (S) availability in soils of agriculturally cultivated locations in the intermediate midhill zone of the Jammu region of India is a major concern. The total S content ranged between 193 and 774 mg kg?1. The organic S and nonsulfate S were relatively higher and contributed on average 49.05 and 46.71% of total S, respectively. Inorganic sulfate S contributed least to the total S (0.93 to 11.98%), water‐soluble S from 2.21 to 14.82%, and adsorbed S from 7.15 to 50.26%. All the forms of S except adsorbed S correlated positively and significantly with organic carbon content of soils. The multiple regression analysis revealed that the organic carbon content had greater impact on different S forms followed by clay content. Among different forms of S, total S was correlated positively and significantly with organic S (r = 0.983??) and nonsulfate S (r = 0.980??).
Keywords:Adsorbed  inorganic  Jammu  nonsulfate  sulfate  total S  water‐soluble
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