| Grant number: | 11/19668-6 |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |
| Start date: | January 01, 2012 |
| End date: | December 31, 2013 |
| Field of knowledge: | Agronomical Sciences - Agronomy - Soil Science |
| Principal Investigator: | Marlene Cristina Alves |
| Grantee: | Poliana Aparecida Leonel Rosa |
| Host Institution: | Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil |
Abstract Human intervention, with the removal of surface layers of soil for civil works, has resulted in extensive areas degraded. Thus, the objective of this study is to assess the degree of recovery of a degraded soil after different interventions for recovery, through the evaluation of the ecological succession of native tree species of savannah. The treatments were installed in 1992 in Teaching and Research Farm of the Faculty of Engineering (UNESP),Ilha Solteira Campus in the Selvira, Mato Grosso do Sul, Brazil. The experimental design was randomized blocks with seven treatments and four replications, with treatments: Soil mobilized (spontaneous vegetation), Stizolobium aterrium(MP); Cajanus cajan(G) until 1994, after replaced by Canavalia ensiformis(FP ) Limestone+MP; Limestone+G until 1994, after replaced by FP; Limestone Gypsum+MP; Limestone Gypsum+G until 1994, after replaced by FP, and two control, T1: bare soil (no recovery practices ) and T2: native vegetation of the Savannah. The treatments were installed in 1992 and remained for seven years, was implemented in 1999 Brachiaria decumbens. Will be assessed the development of tree species that regenerate naturally, and dry mass of shoots and roots of B. Decumbens. | |
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