D.K. Yadav*
University Teaching Department, Department of Farm Forestry,
Sant Gahira Guru Vishwavidyalaya, Sarguja, Ambikapur-497001 (C.G.), INDIA
Email: dheerajforestry@gmail.com
Received-04.02.2019, Revised-23.02.2019
Abstract: The present study was aimed to assess the fine root biomass and soil physico-chemical properties in Achanakmar-Amarkantak Biosphere Reserve. Four sites characterized by varying vegetation attribute and representative of the region were selected. The belowground plant material (stand fine roots < 5 mm diameter) was sampled from 10 monoliths (15 x 15 x 15 cm) on each site. Proportions of live and dead fine roots were estimated on the basis of visual observations such as colour, texture, etc. Sample were dried at 800C to constant weight and weighed. Fine root biomass varied between 0.95 – 3.85 t ha-1, respectively Organic C in soil ranged from 0.62 – 2.1 %, total N from 0.06 – 0.18 % and total P from 0.029 – 0.037 %. Available Pi ranged from 0.0002 – 0.00028 %. The exchangeable K ranged between 0.025 – 0.288 %. The short-lived components of the ecosystem viz., foliage, herbs and fine roots play a significant and dominant role in the functioning (relative contribution to nutrient cycling) of the present tropical deciduous forest.
Keywords: Fine root biomass, nutrient cycling, physico-chemical properties, soil sample, tropical deciduous forest
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