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Paper Details

Suitability of sulphur extractants and its availability to mustard and safflower in Alfisols and Ultisols of Jharkhand


Journal Title:International Journal of Agricultural Sciences

Ten extractants were tested in surface soil samples (0-15 cm) collected from plateau region of Jharkhand comprising the districts of Dhanbad, Giridih, Hazaribagh and Ranchi falling under Alfisols and Ultisols soil order. The commonly used extractant, 0.15% CaCl2 extracted S in the range of 13.00 (in case of Alfisol from Ranchi) to 26.50 mg kg-1 (in case of Alfisol from Dhanbad), with a mean value of 19.26 mg kg- 1. The lowest amount of S (mean value of 8.21 mg kg-1) has been extracted by 0.001M HCl with a range of 3.75 to 14.25 mg kg-1, while highest (mean value 53.95 mg kg-1) by KH2PO4 500 ppm P, ranging from 31.00 to 81.50 mg kg-1. The soil S extracted by different extractants had shown positive and significant correlation with dry matter yield, S concentration and its uptake by mustard. and safflower.