características físicas e químicas de substratos para produção de mudas de ilex paraguariensis st. hil. physical and chemical characteristics of substrates for the production of ilex paraguariensis st. hil. seedlings

Clicks: 167
ID: 242181
2007
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Abstract
Neste trabalho, objetivou-se avaliar as propriedades físicas e químicas de diferentes materiais e suas combinações, bem como sua influência na produção de mudas de erva-mate em tubetes plásticos. O trabalho foi conduzido no viveiro da Empresa Baldo S.A., em São Mateus do Sul, PR. Utilizaram-se seis materiais: esterco bovino curtido, serragem semidecomposta, palito de erva-mate picado, terra de subsolo, substrato comercial à base de casca de pinus e húmus de minhoca, com os quais foram formulados 14 tratamentos. Os resultados indicaram que os tratamentos que continham serragem, palito de erva-mate e, principalmente, esterco bovino, além de serem mais econômicos, mostraram bons resultados na qualidade das mudas produzidas. Dentre esses tratamentos, aquele composto de 40% de esterco bovino e 60% de serragem se destacou, em vista da boa relação custo-benefício apresentada e da sua facilidade de preparo. As características químicas dos substratos não interferiram nas suas características físicas, assim como a influência das características físicas na produção de mudas de erva-mate depende da variável analisada.
This work aimed to evaluate the physical and chemical properties of different materials and their compositions, as well as their efficiency in the production of Ilex paraguariensis seedlings in plastic tubes. The work was conducted at the Baldo S.A. Company nursery in São Mateus do Sul, PR, Brazil. Six materials were used to formulate 14 treatments: cattle manure, semi-decomposed sawdust, Ilex paraguariensis chopped stems, underground earth, commercial substrate based on pinus bark and earthworm humus. The results indicated that the treatments containing sawdust, Ilex paraguariensis stems and mainly cattle manure, besides being more economical, produced good quality seedlings. The treatments consisting of 40% cattle manure and 60% sawdust stood out because of the good cost-benefit ratio and the easiness of preparation. Substrate chemical characteristics did not affect the physical characteristics, as well the influence of physical characteristics on Ilex paraguariensis seedling production depends on the analyzed variable.
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wendling2007revistacaractersticas Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ivar Wendling;Daniel Guastala;Renato Dedecek
Journal journal of veterinary medical research
Year 2007
DOI
10.1590/S0100-67622007000200003
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