Determinación de las reservas de carbono de la biomasa, en Coffea arabica L. en Tercer Frente, Cuba
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Abstract
The general objective of the study was to determine the air biomass in the species Coffea arabica L., with the purpose of knowing the reserves of carbon stored in this species in Tercer Frente municipality, in the oriental region of Cuba. The determination of the air biomass was carried out through the direct method consistent in the extraction of the components of the plants (stalk, branches, leaves) and its later one weighed in fresh state and dry off. The total air dry biomass of C. arabica L. was 2.82 kg x plant-1 and the carbon stored in her it was 1.41 kg x plant-1. The estimated population density was of 2205 plants x ha-1, and the quantity average of carbon stored in the air biomass it was 3.11 tC x ha-1. The equation to estimate the dry biomass of the plant (R2 = 0.94) it was potential [Bsp = 0.1252 (Dt1 x Lrp x Nrp)1,191], using the diameter from the shaft to 30 cm of the soil level (Dt1), the half longitude of the primary branches (Lrp) and the quantity of primary branches (Nrp). The pattern formed by the diameter from the stalk to the soil level (Dt2) it presented a coefficient of determination of 0.5.
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