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INFLUÊNCIA DO VERMICOMPOSTO NA PRODUÇÃO DE MUDAS DE Eucalyptus grandis Hill ex Maiden

Authors: Schumacher, Mauro Valdir; Caldeira, Marcos Vinicius Winckler; Oliveira, Elda Raquel Vargas De; Piroli, Edson Luís;

INFLUÊNCIA DO VERMICOMPOSTO NA PRODUÇÃO DE MUDAS DE Eucalyptus grandis Hill ex Maiden

Abstract

Considerando a expressiva área de florestas plantadas com espécies do gênero Eucalyptus e o uso dessa madeira para múltiplos propósitos, sua cultura é de grande importância econômica para o Brasil. O uso de substratos com boas características físico-químicas constituem importante fator para a qualidade das mudas produzidas. Neste sentido, o objetivo do trabalho foi avaliar o desenvolvimento de diferentes doses de vermicomposto em tubetes com capacidade de receber aproximadamente 50 cm3 de substrato. O estudo foi conduzido em casa de vegetação com Eucalyptus grandis, no período de janeiro a abril de 1997. O substrato utilizado para produção das mudas foi o solo coletado no horizonte A (0-20 cm) da Unidade de Mapeamento São Pedro (Argissolo Vermelho-Amarelo) acrescido de diferentes doses de vermicomposto (0; 5,0; 10,0; 15,0 e 20,0 cm3 por tubete). O vermicomposto utilizado foi proveniente de produção de minhocas vermelhas da Califórnia (Eisenia foetida Savigny) valendo-se de esterco de bovino. Após 100 dias de desenvolvimento, observou-se que as mudas de Eucalyptus grandis responderam de maneira distinta às doses aplicadas, não suportando misturas acima 15,0 cm3 (30%) de vermicomposto por tubete.

Considering the large area of planted forest with species of the genus Eucalyptus and its uses for multiple purpose, its cultivation has an economic importance in Brazil. The use of substratum with good physic-chemical characteristics is an important point for the quality of the produc ed seedlings. The objective of this work was to evaluate the effect of different doses of vermicompost in containers with capacity of about 50 cm3 of substratum. The current study was conducted in a greenhouse with Eucalyptus grandis from January to April in 1997. The substratum used for seedlings production was the soil from horizon A (0-20 cm) of São Pedro Unit Mapping (yellow red Podzolic) with different vermicompost quantities (0; 5.0; 10.0; 15.0 and 20.0 cm3). The vermicompost was produced from red-worm from California (Eisenia foetida Savigny) with cow dung. After 100 days, the results of development for the same seedlings were different depending on doses of vermicompost. It was verified that quantities over 15.0 cm3 (30%) of vermicompost per container are not recommended for the seedling production.

Country
Brazil
Keywords

substrato, vermicompost, substratum, Seedling production, S, produção de mudas, Agriculture, Forestry, vermicomposto, Produção de mudas, SD1-669.5

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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