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Paper Details

Nutrient content, uptake and fertility influenced by sources and levels of sulphur in Kharif sesame (Sesamum indicum L.)


Journal Title:International Journal of Agricultural Sciences

An field experiment was conducted at the Agronomy Instructional Farm, Chimanbhai Patel College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar during Kharif 2012. Total eight treatment combinations comprised of two sources of sulphur viz., S1=Elemental sulphur and S2=Gypsum and four levels of sulphur viz., L1= 15 kg S ha-1, L2= 30 kg S ha-1, L3= 45 kg S ha-1 and L4= 60 kg S ha-1 were tried in Randomized Block Design with factorial concepts with four replications. Sesame variety GT 2 was used as a test crop. The soil of the experimental field was loamy sand in texture, alkaline in reaction and soluble salt content under safe limit. It was low in organic carbon, available N and S; medium in available P2O5, K2O and DTPA-extractable Fe and Zn and having sufficient DTPA-extractable Mn and Cu status. Application of 45 kg S ha-1 produced significantly higher seed (814 kg ha-1) and stalk (1899 kg ha-1) yields, over other levels of sulphur, however, it was statistically at par with 60 kg S ha-1. Significantly higher content and uptake of N, P and S by seed and stalk and available S content in soil at harvest were recorded with 45 kg S ha-1, however, this treatment was statistically comparable with 60 kg S ha-1.