AVALIAÇÃO DO ESTADO NUTRICIONAL DE DEZ ESPÉCIES ARBÓREAS OCORRENTES NO SEMI-ÁRIDO PARAIBANO
2008
Maria Lúcia Dantas de Medeiros | Rivaldo Vital dos Santos | Sylvia Sátyro Xavier Tertuliano
The goal of the present study was to evaluate the nutritional state of ten arboreal plants occurring at Paraíba's Semi-Árido aiming to contribute to the nutritional diagnosis of Caatinga's species, advice on soil fertilization and the resulting betterment of environmental quality in those areas. To this end, leaves and twigs samples of the species angico(Piptadenia macrocarpa Benth), aroeira (Astronium urundeuva Engl), umbueiro (Spondias tuberosa Arruda) mofumbo(Combretum leprosum Mart.), pereiro (Aspidosperma pyrifolium Mart), pau d' arco (Tabebuia serratifolia Nichols.), marmeleiro (Croton sonderianus Mull. Arg.), craibeira (Tabebuia caraiba Mart. Burt.), tamboril (Enterolobium contortisiqua Mart.) and umburana (Torresia cearensis) were taken for the essaying of these species nutritional state. The collected material was firstly dried and grinded to determine the levels of macronutrients N, P, K, Ca, Mg, S and micronutrients, Cu, Fe, Mn, Zn. The results evinced that the evaluated species showed comparable levels of macro andmicronutrients, when confronted with the nutritional diagnosis of other arboreal species.
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