Status of macro and micro nutrient in soils of Kaithal and Siwan blocks, district Kaithal
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Date
2021-09
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CCSHAU, Hisar
Abstract
In order to evaluate soil fertility status of Kaithal and Siwan of district Kaithal, Haryana. hundred surface soil samples (fifty from each block) were randomly collected using GPS technique. In addition to this, plant samples (10% of soil samples) were also collected from the existing cropping pattern of both the blocks. The results revealed that the soils of both the blocks were normal to alkaline in nature, non-saline in nature, low to medium in organic carbon and sandy loam to loam in texture. The content of available N, P, K and S in Kaithal block was ranged from 109-249, 6-28, 85-415 and 8-660 kg ha-1 with mean value of 190.66, 14.86, 223.80 and 195.14 kg ha-1, respectively. The content of available N, P, K and S in Siwan block was ranged from 90-247, 6-29, 122-412 and 35-250 kg ha-1 with mean value of 191.40, 16.22., 259.72 and 146.44 kg ha-1, respectively. All the soils samples were found deficient in nitrogen and 14% of the soil samples were found deficient in phosphorous in both the blocks. In Kaithal block, 6% of the soil samples were found deficient in potassium whereas, in Siwan block only 2% soil samples were found deficient in potassium. In Kaithal block only14% samples for sulphur were found under deficient category.The DTPA extractable Zn, Fe, Cu, Mn content in Kaithal block was ranged from 0.39-4.32, 0.90-15.40, 0.23-1.90 and 2.10-7.00 mg kg-1 with a mean value of 1.48, 7.10, 1.08 and 3.92 mg kg-1, respectively. The DTPA extractable Zn, Fe, Cu, Mn content in Siwan block was ranged from 0.15-2.83, 1.30-17.50, 0.16-3.45 and 2.00-6.80 mg kg-1 with a mean value of 1.27, 7.75, 1.17 and 3.39 mg kg-1, respectively. The total N, P, K and S in soils of Kaithal and Siwan blocks was varied from 0.06-0.17 and 0.06-0.18% 187-720 and 187-688 mg kg-1, 1.01-2.10 and 1.02-2.10 % and 108-937 and 110-718 mg kg-1 with mean value of 0.11and 0.12 %, 504.19 and 413.32 mg kg-1, 1.50 and 1.43% and 330.22 and 359.38 mg kg-, respectively. The content of total Zn, Fe, Cu, Mn in Kaithal and Siwan blocks ranged from 53.10-101.65and 60.00-100.53, 771.25-1450.00 and 670.00-1425.00, 10.88-24.75 and 11.13-20.00 and 283.63-440.00 and 360.00-428.00 with mean value of 79.833 and 84.37, 1155.88 and 1053.76, 14.95 and 14.33 and 372.46 and 385.75 mg kg-1, respectively. The mean content of N, P, K, S, Zn, Fe, Cu and Mn in plant sample was 1.72, 0.42, 0.95, 0.081, 35.4, 82.3, 7.5 and 83.1 %, respectively. A significant positive correlation was observed between the soil organic carbon and available nitrogen, phosphorous and potassium content of soil.