Abstract— The barbatimão is a traditional plant species of Brazilian cerrado. Barbatimão bark is widely used in the production of medicines and cosmetics. Because it is an extractive exploitation plant, the activity can be considered aggressive for plants that after having their shells removed may die. Another point to consider is the lack of a fertilization protocol. Aiming to improve the nutrition of barbatimão seedlings through the use of effluent of domestic exhaustion. This work had as objective to study the production of barbatimão seedlings in function of crescents doses of domestic exhaustion. The experiment was conducted in a randomized block design with 5 treatments and 10 replications. The seedlings were grown in plastic bags of 7.5 liters filled with substrates based on pinus bark. The biometric evaluations were initiated 30 days after transplanting when the plants were already established in the new container and consisted of: height of the plants (measured by means of millimeter ruler) being considered with initial point of the region of the collection until the apex of the seedling; diameter of the stem (measured by means of digital caliper) and number of leaves counted from the base to the apex of the plant, being considered as leaf the petiole of the composite leaf inserted in the branches of the plant. In general, it was concluded that barbatimão seedlings were negatively influenced by the addition of domestic effluent from household wastewater. However, studies with lower dosages than those tested in this study are suggested.
Keywords—biomass, Agricultural production, nutritional management.
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