Author(s):

Hina A Raghorte, Ommala D Kuchanwar, AP Sawant and Padmaja H Kausadikar

Abstract: The present investigation entitled “Effect of potassium and sulphur on yield and nutrient uptake of pigeonpea” was conducted on EAD Farm, College of Agriculture, Nagpur during kharif season of 2017-2018. The field experiment was laid out in Factorial Randomized Block Design (FRBD) with four levels of potassium (0, 15, 30 and 45 kg ha^-1) and four levels of sulphur (0, 10, 20 and 30 kg ha^-1). Results indicated that grain and straw yield; content and uptake of N, P, K and S increased with increased in rate of application of K and S. The result of present experiment indicate that application of 30 kg K₂O ha^-1 resulted improvement in grain (11.59 q ha^-1) and straw (45.14 q ha^-1) yield of pigeonpea. The highest uptake of N (110 kg ha^-1), P (21.35 kg ha^-1), K (90.15 kg ha^-1) and S (12.50 kg ha^-1) was recorded with the application of 20 kg sulphur ha^-1. The uptake of N and K increased due to application of 30 kg K₂O and P and S due to 45 kg K₂O ha^-1.

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