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Vol. 14, Issue 1 (2025)

Assessment of soil nutrient status of Vasista Nadhi sub-watershed, Salem district

Author(s):
K Ramesh
Abstract:
A study was undertaken to assess the status of available nutrients was carried out in sub-watershed of Vasista Nadhi basin, Salem district, Tamil Nadu. About fifteen representative surface (0-15 cm) soil samples were collected from farmer’s field of sub-watershed in February 2021. The soil samples were analysis for pH, EC, organic carbon, nitrogen, phosphorus, potassium, iron, magnesium, zinc, and copper are important soil elements which control its fertility. Soils are moderately alkaline in reaction with low soluble salt content (EC 0.1 to 1.8 ds/cm). The organic carbon status of soils was low 0.12% to 0.7%. The available N, P2O5 and K2O content in these soils ranged from 84 to 115 kg/ha, I12 to 23.75 kg/ha, and 154 to 375 kg/ha with mean value of 105.46 kg/ha, 19.43kg/ha and 298.6 kg/ha respectively. Based on nutrient index value, soil of the watershed was low to medium index in organic carbon and available nitrogen, marginal in available potassium and high in available potassium status. The micronutrients content of Fe, Mn, Zn and Cu varied from 7.4 to 10.06 mg/kg, 2.16 to 4.07 mg/kg, 0.4 to 1.02 mg/kg, and 0.68 to 1.2 mg/kg. Continuous cultivation without adequate nutrient replenishment can lead to nutrient depletion in the soil.
Pages: 110-116  |  36 Views  24 Downloads


The Pharma Innovation Journal
How to cite this article:
K Ramesh. Assessment of soil nutrient status of Vasista Nadhi sub-watershed, Salem district. Pharma Innovation 2025;14(1):110-116.

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