Author(s):

B Asha Jyothi and V Sankara Rao

Abstract: An experiment was conducted to study the influence of different sources of sulphur such as gypsum, pyrites and elemental sulphur on micronutrients uptake by sunflower (Helianthus annuus L.) using two varieties such as Ganga Kalyani-2002 and 6460 PH-1 grown in Alfisols and Vertisols. Results indicated that the uptake of micronutrients such as iron, manganese, zinc and copper by sunflower shoot at 45 DAS, shoot and seed at harvest was significantly higher over control with the application of different sources of sulphur and followed the order gypsum>pyrites>elemental sulphur>control. Ganga Kalyani-2002 performed better than 6460 PH-1.

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