microbiological attributes of soil in the culture of cane sugar in organic and conventional management
atributos microbiológicos do solo na cultura da cana-de-açúcar sob manejo orgânico e convencional

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ID: 154233
2013
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Abstract
The objective was to evaluate the microbial soil cultivated with sugar cane certified organic with and without soil disturbance, organic certification, with and without conventional burning and a remaining area of Cerrado in Goiatuba, Goiás. We conducted a soil collected in March (rainy season) and another in September 2009 (dry season) at a depth of 00-10 cm and 10-20 cm for microbiological analysis. The data of microbiology and soil were analyzed descriptively through the estimation of the mean and standard deviation and also by multivariate analysis, estimating the average Euclidean distance between treatments, with complete linkage. There are training groups between organic management without soil disturbance and the remaining area of Cerrado indicating proximity between attributes. The area under conventional conditions with burns presents the highest values of respiration and metabolic quotient indicating stress solo. O organic management system without tilling the soil shows levels of microbial biomass nitrogen higher than the other managements and the remaining area of Cerrado.

Objetivou-se avaliar os atributos microbiológicos do solo cultivado com cana-de-açúcar orgânica certificada com e sem revolvimento do solo, orgânica em certificação, convencional com e sem queima da palha e uma área remanescente de Cerrado no município de Goiatuba, Goiás. Foi realizada uma coleta de solo em março (período chuvoso) e outra em setembro de 2009 (período de estiagem) nas profundidades de 0-10 cm e de 10-20 cm para análise microbiológica. Os dados de microbiologia do solo foram analisados de forma descritiva por meio da estimação da média e erro padrão da média e também por meio da análise multivariada, estimando-se a distância Euclidiana média entre os tratamentos, com ligação completa. Há formação de grupos entre o manejo orgânico sem revolvimento do solo e a área remanescente de Cerrado indicando proximidade entre os atributos avaliados. A área com manejo convencional com queima apresenta os valores mais altos de respiração e quociente metabólico indicando estresse do sistema solo. O manejo orgânico sem revolvimento do solo apresenta níveis de nitrogênio da biomassa microbiana mais elevados que os demais manejos e a área remanescente de Cerrado.

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evangelista2013semina:microbiological Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Cristiano Ramos Evangelista;Fábio Luiz Partelli;Enderson Petrônio de Brito Ferreira;Fábio Ribeiro Pires
Journal frontiers in neuroendocrinology
Year 2013
DOI
10.5433/1679-0359.2013v34n4p1549
URL
http://www.uel.br/revistas/uel/index.php/semagrarias/article/view/10629
Keywords
Agriculture (General)

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