Crop Research
Year : 2013, Volume : 45, Issue : 1to3
First page : ( 206) Last page : ( 209)
Print ISSN : 0970-4884. Online ISSN : 2454-1761.

Critical limits of available potassium for cauliflower (Brassica oleracea var. botrytis) in light textured soils of rangareddy district

Kalyani K., Sailaja V., Rao P. Chandrasekhar

Department of Soil Science and Agricultural Chemistry, Acharya N. G. Ranga Agricultural University, Rajendranagar, Hyderabad-500 030, Andhra Pradesh, India.

Online published on 4 August, 2017.

Abstract

The critical limits of available K in soil with two different extractants were determined through a pot culture experiment with 30 soils of Rangareddy district. NH4 OAc NN) and NaB Ph4 (0.2 M) extractable K were found to be positively and significantly correlated with plant K content and curd yield of cauliflower. The critical limits of available K for cauliflower growing soils of Rangareddy district were found to be 120.8 and 334.2 ppm, respectively, for NH4 OAc (NN) and NaB Ph4 (0.2 M). The critical plant of K content of cauliflower was found to be 2.6%. The curd yield of the cauliflower increased with increased levels of potassium.

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Keywords

Bray's per cent yield, Cauliflower, Critical limits, Potassium.

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