Litter and nutrient deposition of four provenances of (Grevillea robusta Cunn.) in the southwestern Paraná
Litter production and nutrient deposition were assessed in a four year old (Grevillea rubusta Cunn) plantation in Quedas do Iguaçu, southwestern of State Paraná. The trial was established on soil classified as Haplustox (LATOSSOLO VERMELHO Distroférrico). The results showed the following features: i...
| Autores: | , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión publicada |
| Fecha de publicación: | 2004 |
| País: | Brasil |
| Institución: | Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
| Repositorio: | Pesquisa Florestal Brasileira (Online) |
| Idioma: | portugués |
| OAI Identifier: | oai:ojs.pkp.sfu.ca:article/1597 |
| Acceso en línea: | https://pfb.sede.embrapa.br/pfb/article/view/1597 |
| Access Level: | acceso abierto |
| Palabra clave: | Ciclagem de nutrientes Elementos minerais Volume de madeira Litter Nutrient cycling Nutrient deposition Wood volume |
| Sumario: | Litter production and nutrient deposition were assessed in a four year old (Grevillea rubusta Cunn) plantation in Quedas do Iguaçu, southwestern of State Paraná. The trial was established on soil classified as Haplustox (LATOSSOLO VERMELHO Distroférrico). The results showed the following features: i) Grevillea produces a large amount of litter (1,267 Kg/ha); more than various Pinus and Eucalyptus atands in similar conditions; ii) The nutrient levels in the litter are not correlated whith volume of wood produced; (the only exception was the decrease of the level of P as volume increased; iii) A positive and significant (>90,0%) correlation was evident between volume of wood produced and amount of nutrients in the litter. iv) The largest amount of litter was produced by Fine Flower provenance, and the smallest by Albert River; v) Control plots deposited the largest amount of K and Zn while other nutrients (N, P, Ca, Mg, Cu, Fe and Mn) were deposited in larger amounts by the Fine Flower provenance. |
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