Current Science

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The aim of this study was to assess the suitability of lake sediments of Bengaluru, Karnataka, India, as a nutrient source for agricultural crop production. The sediments were analysed for macro- and micronutrients and toxic heavy metals using standard procedures. The results showed high stocks of N, P and K and low heavy metal concentration in the upper 15 cm depth of the lake sediments, implying their suitability as a nutrient alternative. This will reduce the use of synthetic fertilizers, improve soil health and also increase water storage capacity in the lakes, and thus promote sustainable agricultural production.

Keywords

Food Security, Heavy Metals, Plant Nutrients, Surface-Water Run-Off, Sustainable Agriculture, Tank Sediments.
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