Floristic composition and management of cropland agroforest in southwestern Bangladesh

Abstract

Cropland agroforest is an important production system in the southwest region of Bangladesh. This study focused on the floristic composition and management of existing cropland agroforests. A total of 313 cropland agroforests were surveyed and 83% respondents practiced pure agroforestry while the remaining 17% practiced agroforestry with fisheries. A total of 18 forest trees and 2 shrubs were recorded from 11 families and 59 species of agricultural crops were from 28 families. A higher proportion (79%) of cropland agroforests were occupied small land areas (0.12–0.80 ha). About 63% of respondents planted trees for fruit production and 47% for timber production, and 35% of respondents engaged in commercial production (35%). Swietenia macrophylla was the most prevalent species (relative prevalence 20.83) followed by Mangifera indica (relative prevalence 15.57) and Cocos nucifera (relative prevalence 7.08). Shorter spacing was used for timber and fuel wood species and wider spacing for fruit trees. A wide range of rotation periods, from 5 to 25 years, was observed for both cases. The use of chemical fertilizer was highest followed by cow dung and compost in cropland agroforests. Overall management practices of cropland agroforest in southwest Bangladesh were determined by the end product and local demand.

Keywords

agroforestry / Bangladesh / cropland / fruit production / timber production

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