Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Sílvio C. Sampaio"'
Publikováno v:
Engenharia Agrícola, Vol 29, Iss 3, Pp 466-473 (2009)
The objective of this research was to evaluate the performance of the aquatic macrophyte Eichhornia crassipes applied in situ in a slaughter house treatment system, located in the west of the Paraná state, Brazil, regarding the nutrients removal and
Externí odkaz:
https://doaj.org/article/ef38feb03c5a49edb5e04d4750bf6065
Publikováno v:
Engenharia Agrícola, Vol 29, Iss 2, Pp 288-300 (2009)
O objetivo deste trabalho foi avaliar os efeitos do lodo têxtil, adubação e irrigação com água residuária da suinocultura na produção de mudas de Eucalyptus grandis W, Hill ex Maiden. Os tratamentos foram constituídos de três fatores: adub
Externí odkaz:
https://doaj.org/article/99b8873bb8e345f68af9d065bacbaf60
Autor:
Marcelo Fruehwirth, Mariana Sbizzaro, Danielle M. Rosa, Silvio C. Sampaio, Ralpho R. dos Reis
Publikováno v:
Engenharia Agrícola, Vol 40, Iss 6, Pp 769-776 (2020)
ABSTRACT Atrazine is a herbicide widely used in agriculture; however, because of its toxicity, alternatives are needed to remove this compound from the environment. In this study, we investigated the adsorption process and the atrazine-adsorbing abil
Externí odkaz:
https://doaj.org/article/ee859f74f1cf462883988455f672448d
Autor:
Juliana Luconi, Mariana Sbizzaro, Cleuciane T. do Nascimento, Silvio C. Sampaio, Ralpho R. dos Reis
Publikováno v:
Engenharia Agrícola, Vol 42, Iss 1 (2022)
ABSTRACT Atrazine is an herbicide used to remove weeds in agricultural crops; however, because it is considered toxic, options for removing it from the environment are needed. Adsorption on biochar is an efficient technique for removing organic conta
Externí odkaz:
https://doaj.org/article/2f9acec48f9d4e43a8bea39a576cec8f
Publikováno v:
Engenharia Agrícola, Vol 39, Iss 5, Pp 592-599 (2019)
ABSTRACT Seasonal changes in agricultural soil use due to agroclimatic conditions affect the water cycle in watersheds. This study aimed to understand the temporal variation of runoff inherent to the seasonal occupation dynamics of the agricultural s
Externí odkaz:
https://doaj.org/article/7ff8f7b188ef4684a696560b26e18472
Autor:
Ketllin Z. da Conceição, Marcio A. Vilas Boas, Silvio C. Sampaio, Marcelo B. Remor, Danilo I. Bonaparte
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 6, Pp 951-960 (2018)
ABSTRACT Analyzing the physical-chemical and biological characteristics allows the evaluation of the water quality of a water body. Thus, the objective of this study was to determine the water quality index of the Passaúna and Piraquara rivers, as w
Externí odkaz:
https://doaj.org/article/811fc6ab4500457caca76ac967164264
Autor:
Marcelo B. Remor, Silvio C. Sampaio, Danielle M. Rosa, Kathleen J. Model, Cristiane L. Paloschi, Fagner G. da Conceição
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 5, Pp 760-767 (2018)
ABSTRACT The contamination of aquatic environments with chemical trace elements can be evaluated by their accumulation in sediments of the water body. Studies on mercury require the use of exclusive extraction techniques that have relatively high cos
Externí odkaz:
https://doaj.org/article/55c87d80c46949a3998d7865660c5e89
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 2, Pp 277-283 (2018)
ABSTRACT Changes in the Brazilian Forest Code (BFC) have soften the criteria for recovery and conservation of permanent preservation areas (PPAs), enhancing processes related to surface runoff. The aim of this study is to understand the effects of ch
Externí odkaz:
https://doaj.org/article/fee454c85a684539b5634b2881bcec7e
Autor:
Kathleen J. Model, Silvio C. Sampaio, Marcelo B. Remor, Erivelto Mercante, Márcio A. Vilas Boas
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 1, Pp 124-134 (2018)
ABSTRACT Aquatic sediments are widely used for the evaluation of anthropogenic contamination due to their ability to adsorb particles and contaminants, making them historical environmental archives. Therefore, the objective was to evaluate the contam
Externí odkaz:
https://doaj.org/article/1b1ff40009b24259a5a5f28ab8bc57d1
Autor:
Marcelo B. Remor, Silvio C. Sampaio, Kathleen J. Model, Thais D. Falco, Victor H. R. Prudente
Publikováno v:
Engenharia Agrícola, Vol 38, Iss 1, Pp 117-123 (2018)
ABSTRACT Many studies have determined the concentration of trace elements in river sediments in Brazil. Notwithstanding, mercury assessments are scarce, especially because of exclusive extraction techniques and expensive analysis techniques. Still, t
Externí odkaz:
https://doaj.org/article/2a900e20fef9433dbd261913c389140d