Ecology, Environment and Conservation Paper

Supplement Issue, Dec. 2014; Page No.(71-81)

GROWTH, BIOMASS, CARBON SEQUESTRATION AND NUTRIENT STORAGE IN CEIBA PENTANDRA (L) GAERTN. STANDS IN SUB HUMID TROPICS OF EASTERN INDIA

Anil Gawali, Sunil Puri and S.L. Swamy

Abstract

A field experiment was conducted at Indira Gandhi Agricultural University, Raipur, Chattisgarh, India to evaluate the Growth, biomass, carbon sequestration and N,P and K nutrient storage in nine year old stands of Ceiba pentandra (L) Gaertn planted in 4 x 4 m, 4 x 6 m and 4 x 8 m tree spacing in sub humid tropics of Eastern India. Growth parameters varied significantly due to pruning regimes and tree spacing. Stand biomass ranged from 16.81 to 30.74 Mg ha-1 in 4 x 4 m to 4 x 8 m tree spacing of Ceiba stands. Total biomass, stem component contributed highest (45.3 to 47.7%) followed by root (22.8 - 22.9%), branch (16.75 - 17.84%), pod (6.36 - 9.11%) and leaf (5.82 - 5.92%) components. The stand carbon ranged from 5586 to 9896 kg ha-1 with mean annual C storage of 620 to 1099.6 kg ha-1 yr-1. Among tree components the stem wood accounted for maximum carbon sequester (51 to 51.6%) fallowed by roots (19 to 20 %), branches (14 to 15%) leaves (6.5 to 6.8%) and pods (4.8 to 5.1%). Tree spacing significantly influenced nutrient storage. It was ranged from 508 to 825. 3 kg N ha-1, P from 48 .6 to 79 .2 kg ha-1 and K from 240.6 to 407.6 kg ha-1. Nutrient storage in Ceiba stands in different components in order of stem > leaf > root > branch > pod.

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