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Agroforestry-technology Generation with Non-fruit Trees Suitable for Agroforestation in Bangladesh. Iii. Biomass Production and Their Uses

M.A. Hossain
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh

K. Yasmin
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh

A.M.M. Shamsuzzaman
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh

M.A. Haque
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh

Abstract/ Executive Summary:

About 300 trees/saplings of both indigenous and exotic species have been grown in the Agroforestry Germplasm Research Centre (AFGRC) and their performance in terms of growth, seed yield and biomass production as byproduct of training and pruning as well as of the whole plant is quite satisfactory. The production and uses of biomass in the AFGRC have been highlighted in this paper.

Keywords: Agroforestry, Germplasm, Leguminous trees, Biomass, Manure

Location: Botanical Garden of Bangladesh Agricultural University, Mymensingh

Start Date: 00-00-1989

End Date: 00-00-1989

Program Area: Farming System

Commodity: Tree

Objectives:

To establish at least a small woodlot for the farmers for their economic benefit in different aspects in addition to the improvement of the national environmental condition.

Methodology:

A total of 203 selected tress/saplings of 35 indigenous and exotic plant types have been grown in the "Agroforestry Germplasm Research Centre" since its establishment in 1989 at the southern side of Botanical Garden of Bangladesh Agricultural University, Mymensingh. Seeds/saplings were sown/planted at 2m x 2m spacing keeping the provision of pollarding of trees at a suitable height in order to make multi strata arrangement of the trees. In addition, another 150 saplings/ young trees of some of the above-mentioned plant types along with other species (including herbaceous) were allowed to grow in the vacant places of the Centre to control 'ulu' grasses as well as to maintain uniform conditions of the Centre. This was possible in about 0.13 ha of land of this Centre and the remaining land conditions were somewhat different. Most of these un selected plants were cut down or thinned out for biomass as well as for maintaining the suitable conditions of the Centre. The list of the selected trees/saplings with their age, flowering and fruiting stages and biomass production. The biomass produced by the growing trees in the Centre (other than seeds and fuel woods) were collected, weighed and dumped for manuring each time during cleaning of the Centre. The maintenance and management of these trees/saplings were done according to the suggestions as laid down. Seeds were collected, cleaned, dried and preserved in bottles/plastic cans for subsequent uses or distributed after discarding the unhealthy ones. The fresh weight and dry weight of other biomass were also weighed along with the manures produced.

Source of Information: BAU Res. Prog. 9: 152-159, 1995

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

A general idea on the economic benefit from a woodlot has been outlined in the present study. A huge quantity (6.4t) of biomass as byproduct of a developing woodlot similar to this Centre may be obtained during the early stages of growth of saplings/trees. This can supply essential fuel wood as well as well-decomposed manures and thus can help strengthen the economic conditions of the farmers. The final harvest will be highly economic in terms of timber.

Knowledge Management: Report/Proceedings