Author(s):

Shital Yadav, Rajhans Verma, Poonam Kumari Yadav and Jitendra Singh Bamboriya

Abstract: An experiment was conducted at Agronomy farm, S.K.N. College of Agriculture, Jobner during kharif season 2017. The treatments comprising four Sulphur levels (control, 20 kg S/ha, 40 kg S/ha and 60 kg S/ha) and four foliar spray of iron (control, foliar spray of 0.5% FeSO₄ at flowering, peg formation and flowering + peg formation) assigned to main and subplots of Randomized Block Design, respectively were replicated thrice. Groundnut variety RG-425(Raj Durga) was used as a test crop. The highest concentration of N, P, K, S and Fe in kernel and haulm and protein and oil content were obtained with 40 kg S/ha, however it was remained at par with 60 kg S/ha. The total uptake of N, P, K, S and Fe as well as oil yield were also obtained with application of 60 kg S/ha. The content of N, P, K, S and Fe in kernel and haulm, protein and oil content significantly increased with foliar application of 0.5% FeSO₄ at peg formation stage, which was remained at par with 0.5% at flowering + peg formation stage. The total uptake of N, P, K, S and Fe as well as oil yield were also obtained with foliar spray of 0.5% FeSO₄ at flowering + peg formation stage than rest of treatments.

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