An Asian Journal of Soil Science

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Effect of Potassium and Sulphur on Yield and Yield Attributes of Onion and Chilli Intercrops in a Vertisol


Affiliations
1 Fertilizer Control Laboratory, Mandya (Karnataka), India
2 Office of Assistant Registrar of Cooperative Societies, Sahakara Bhavan, Shimoga (Karnataka), India
3 Department of Veterinary Physiology and Biochemistry, Veterinary College, Vinobhanagar, Shimoga (Karnataka), India
     

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A field experiment was conducted during Kharif 2006 on a vertisol to study the effect of potassium and sulphur on yield and yield parameters of onion and chilli intercrops grown with four levels of potassium (0, 50, 75 and 100 kg K2O ha-1) and three levels of sulphur (0, 15 and 30 kg S ha-1). Yield and yield attributes of onion and chilli increased with the individual application of 100 kg K2O ha-1 and 30 kg S ha-1. The combined application of 100 K>sub>2O and 30 kg S ha-1 recorded the maximum yield of both onion (19.52 t ha-1) and chilli (3.90 q ha-1) and also onion equivalent yield (23.42 t ha-1) of the intercropping system.

Keywords

Yield, Soil Sodium, Soil Potassium, Bulb, Vertisol, Intercrops.
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  • Effect of Potassium and Sulphur on Yield and Yield Attributes of Onion and Chilli Intercrops in a Vertisol

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Authors

K. S. Poornima
Fertilizer Control Laboratory, Mandya (Karnataka), India
N. Mamatha
Office of Assistant Registrar of Cooperative Societies, Sahakara Bhavan, Shimoga (Karnataka), India
H. S. Ramesh
Department of Veterinary Physiology and Biochemistry, Veterinary College, Vinobhanagar, Shimoga (Karnataka), India

Abstract


A field experiment was conducted during Kharif 2006 on a vertisol to study the effect of potassium and sulphur on yield and yield parameters of onion and chilli intercrops grown with four levels of potassium (0, 50, 75 and 100 kg K2O ha-1) and three levels of sulphur (0, 15 and 30 kg S ha-1). Yield and yield attributes of onion and chilli increased with the individual application of 100 kg K2O ha-1 and 30 kg S ha-1. The combined application of 100 K>sub>2O and 30 kg S ha-1 recorded the maximum yield of both onion (19.52 t ha-1) and chilli (3.90 q ha-1) and also onion equivalent yield (23.42 t ha-1) of the intercropping system.

Keywords


Yield, Soil Sodium, Soil Potassium, Bulb, Vertisol, Intercrops.

References