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Composição química e aspectos morfológicos de mudas de Tabebuia chrysotricha (Standl.) produzidas em diferentes substratos e soluções de fertirrigação
Other Titles: 
Chemical composition and morphological aspects of Tabebuia chrysofricha (Standl.) seedlings produced in different substrate and fertirrigation's solutions
  • Estado do Meio Ambiente
  • Universidade Estadual Paulista (UNESP)
The work aimed to study the formation of Tabebuia chrysotricha Standi, seedlings in function of four substrates, varying the covering fertilization solutions. To compose the substrate it was used fibrous and granulated coconut fiber obtaining the following treatments: 100% fibrous (100% F), 60% fibrous + 40% granulated (60% F+40% G), 40% fibrous + 60% granulated (40% F+60% G) and 100% granulated (100% G). The basis fertilization was the same for all treatments and the solutions of covering fertilization varied in order to obtain complete solutions with electric conductivities of 1.06 dS m-1, 2.12 dS m-1, 3.2 dS m-1 and 4.25 dS m-1. The propagative material was sowed directly in plastic containers (120mL) with the respective substrates. The fertilization was received through sub-irrigation once a week, respecting the treatments of fertilizations. Seedlings produced in 100%G had been taller and higher than the others. The chemical analyses of aerial part were obtained when the seedlings were ready for expedition (height of 20 cm). The seedlings production in substrate 100% F and 60% F+40% G allowed them to have higher N, S, B, Mn and Zn concentrations in the aerial part. The production of T. chrysotricha seedlings is recommended in granulated coconut fiber substrate and fertilizer solutions with EC of 1.06 dS m-1.
Issue Date: 
Scientia Forestalis/Forest Sciences, n. 77, p. 53-62, 2008.
Time Duration: 
  • Electric conductivity
  • Forest nursery
  • Tabebuia chrysotricha
  • Chemical compositions
  • Complete solutions
  • Morphological aspects
  • Fiber optics
  • Mica
  • Silicate minerals
  • Substrates
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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