Author(s):

Kailash Chand Yadav, Dr. Tarence Thomas, P Smriti Rao and Ajay Pratap Singh

Abstract: An evaluation of Physico-chemical properties of soil of Robertsganj tehsil of Sonbhadra district, Uttar Pradesh was carried out in 2017-18. Eleven soil sampling points in Dalla villages was selected for the analysis. Soil samples were collected at depths of 0-15 and 15-30 cm. The colour of soil changed between the two depths of 0-15 and 15-30 cm at all the locations. The study revealed that range of particle density was from 1.38 to 2.40 g cm^-3, bulk density from 1.03 to 1.17 g cm^-3, water retaining capacity from 73.30 to 81.25 per cent and of specific gravity from 1.95 to 2.68. The sand, silt and clay ranges from 51.4 – 68.0, 8.6 – 13.5 and 31.7 – 39.0 % respectively. The pH ranges from 7.29 to 8.07. The highest mean value recorded is 7.71 and the least mean value is 7.66 and the Skewness propounded is negative. The EC ranges from 0.852 to 0.990 ds m^-1. The Organic Carbon ranges from 0.30 to 0.60 %. The Organic Matter ranges from 0.5172 to 1.0344 %. The Nitrogen ranges from 254.57 to 314.36 kg ha^-1. The Phosphorus ranges from 9.0 to 24.0 kg ha^-1. The Potassium ranges from 112.5 to 192.2 kg ha^-1. The Zinc ranges from 0.51 to 1.76 ppm. It is concluded that soil physico-chemical parameters were studied during the course of investigation presented good physical properties and pH, EC, Organic carbon and Zinc higher values. Phosphorus, Nitrogen and Potassium contains was medium value.

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