2000
DOI: 10.1590/s1516-35982000000600005
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Desenvolvimento das raízes do azevém cultivado em solução nutritiva completa, adicionada de substâncias húmicas, sob condições de casa de vegetação

Abstract: Este estudo foi realizado em casa de vegetação, no ano de 1997, na Faculdade de Agronomia da Universidade Federal do Rio Grande do Sul (UFRGS). Em um desenho experimental de blocos casualizados com parcelas divididas e seis repetições, foram avaliadas as seguintes variáveis: comprimento das raízes, raio médio, superfície ocupada e matéria seca produzida pelas raízes do azevém, visando avaliar o efeito da adição de substâncias húmicas no desenvolvimento das raízes do azevém. As plantas foram cultivadas em areia… Show more

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Cited by 12 publications
(14 citation statements)
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References 14 publications
(9 reference statements)
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“…In contrast, Rodda et al (2006), using HS derived from vermicompost manure and sugarcane bagasse, observed significant development of the root system in lettuce (140-150%) after treatments with HS. The same response pattern was found in studies on ryegrass (SILVA et al, 2000). In addition to greater root development, Arancon et al (2006) Silva et al (2011) showed the stimulation of root growth by the application of HS from vermicompost.…”
Section: Resultssupporting
confidence: 63%
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“…In contrast, Rodda et al (2006), using HS derived from vermicompost manure and sugarcane bagasse, observed significant development of the root system in lettuce (140-150%) after treatments with HS. The same response pattern was found in studies on ryegrass (SILVA et al, 2000). In addition to greater root development, Arancon et al (2006) Silva et al (2011) showed the stimulation of root growth by the application of HS from vermicompost.…”
Section: Resultssupporting
confidence: 63%
“…In contrast, Silva et al (1999) revealed an increase in dry root mass of corn in response to HS. Similarly, in experiments with ryegrass, Silva et al (2000) found an increase of 49.23% in the dry mass of roots. Rosa et al (2009) also observed a linear increase of 41% compared to the control, and the same was found for tomato seedlings by Bernardes, Reis and Rodrigues (2011).…”
Section: Resultsmentioning
confidence: 64%
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“…HAs are defined as organic macromolecules with high molecular mass, larger carbon contents, and smaller oxygen contents due to their phenol and carboxylic groups and are soluble at alkaline pH values [4]. HAs have an important role in soil fertility and to bind many heavy metallic ions through complexation [4,9,10]. HAs are present in larger amounts in terrestrial and geologic humic matter and in smaller amounts in aquatic humic matter [1].…”
Section: Introductionmentioning
confidence: 99%
“…The characteristics of HAs are associated with their origin [13]. The physiochemical characterization of the HAs is indispensable [4,9,10]. Several methods (destructive and non-destructive) are used for the characterization of HAs.…”
Section: Introductionmentioning
confidence: 99%