Abstract
Agronomic Use of Sewage Sludge in Degraded Area Recovery: Pilot Study to Produce Native Tree Species
Highlights
Environmental effects to be considered negative or adverse and resulting mainly from human activities or interventions, guarantee the concept of degradation
The use of sewage sludge was considered as an alternative to produce native tree species, since the final disposal of the same has been shown as an environmental challenge, since the current practices adopted, besides costly, constitute as a focus of public health problems, because sewage sludge has a high organic load, contaminating water and contributing to the proliferation of disease vectors [1,2]
With the objective of recovering degraded areas, the suggestion is that native species of seedlings adapted to the environment to be reclaimed are used, and the quality of the seedlings is an important element for the project to be successful, since interfere with the initial development of the capacity of the environment and future growth of the same, which is closely linked to the performance of the forest [7]
Summary
Environmental effects to be considered negative or adverse and resulting mainly from human activities or interventions, guarantee the concept of degradation This rarely applies to change arising from natural phenomena or processes. The ecological corridors are forest restoration systems, carried out in strategic ways, which seek out places of interest so that reforest fulfill their function of maintaining natural resources and biodiversity. A promising and feasible alternative is the use of sewage sludge as a fertilizer, in addition to presenting economic advantages, the same improvement of the soil physical conditions [3,4,5] Within this context, the present work is based on verifying the feasibility of different dosages of sewage sludge in the growth of the species. The root length (CR), stalk length (CPA), dry root weight (MSR) and dry stalk weight (MSPA) was evaluated in 30, 60 and 100 days, to verify the viability in the production of seedlings of native tree species
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