The objective of this work was to evaluate the development of angico [Anadenanthera colubrina (Vell.) Brenan] seedlings produced with different doses of coconut powder and inoculated with arbuscular mycorrhizal fungi (AMF) in nursery and mining degraded area in the state of Sergipe (Brazil). The experimental design was in randomized blocks, with the following proportions of mineral substrate and coconut powder, with and without AMF. Angico growth was evaluated in nursery after 150 days, and height and diameter were evaluated. Later the seedlings were planted in a degraded area by sand and gravel mining and after 120 days of planting the height, diameter and survival rate were measured. In the nursery phase, the addition of coconut powder promoted a reduction in height and diameter of angico seedlings. Inoculation with AMF significantly increased the height and diameter of Anadenanthera colubrina seedlings in the nursery. However, the field phase results show that the addition of coconut powder to the substrate promotes better development in height and diameter of Anadenanthera colubrina seedlings in the mining degraded area. The conjugation of a low proportion of coconut powder with the inoculation of AMF on Anadenanthera colubrina seedlings resulted in higher survival in the planting of degraded area by mining.
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