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Volume 7, Issue 2, April Issue - 2019, Pages:156-166

Authors: Ridham Kakar, Diwakar Tripathi, Arshi Sultanpuri, Hardeep Singh Sheoran
Abstract: Present investigation was carried out with the aim of assessing the soil fertility status of Saproon Valley soils of Himachal Pradesh. A total of 126 representative soil samples were collected from 0-15 and 15-30 cm soil depths of 21 villages, spread over the whole valley. Results of study showed that soil pH ranged from 6.16 to 7.94 while electrical conductivity varied from 0.09 to 1.02 and 0.11 to 0.49 dS m-1 in surface and sub-surface soils, respectively. The soil organic carbon varied between 5.70 to 32.60 g kg-1 (0-15 cm) and 0.30 to 20.5 g kg-1 (15-30 cm). With respect to, available soil N the soils of the valley were medium extending from 254.02 to 542.53 and 203.84 to 435.90 kg ha-1 in surface and sub-surface soils, respectively. The soils being high in available P content had its values ranging from 11.20 to 156.80 kg ha-1, though; K content went from 147.72 to 1915.20 kg ha-1. The neutral ammonium acetate extractable Ca and Mg content ran from 1.53 to 7.11 and 1.10 to 3.67 [cmol (p+) kg-1], with mean estimations of 3.98 [cmol (p+) kg-1] and 2.43 [cmol (p+) kg-1], independent of soil depth. From the results it can be concluded, that intensive systematic study of soil fertility status is necessary to delineate areas of probable nutrient deficiencies or toxicity within the Saproon Valley in North Western Himalayas.
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