Zobrazeno 1 - 10
of 246
pro vyhledávání: '"Regynaldo A Sampaio"'
Autor:
Athos Rodrigues Soares Viana, Rodinei Facco Pegoraro, Regynaldo Arruda Sampaio, Luiz Arnaldo Fernandes, Leidivan Almeida Frazão, Cândido Alves da Costa, Verônica Aparecida Santos Ferreira Soares
Publikováno v:
International Journal of Recycling of Organic Waste in Agriculture (2024)
Purpose: Sewage sludge compounds possess physical and chemical attributes that make them well-suited for formulating fertilizers intended for agricultural purposes. Within this framework, the research aimed to assess the effects of utilizing organomi
Externí odkaz:
https://doaj.org/article/75c41a30cb4a484282b68eb2960f20f3
Autor:
Rodinei Facco Pegoraro, Jefferson Rodrigo Teixeira Silva, Leidivan Almeida Frazão, Regynaldo Arruda Sampaio, Silvana Ferreira Bicalho, Verônica Aparecida Santos Ferreira Soares
Publikováno v:
International Journal of Recycling of Organic Waste in Agriculture, Vol 13, Iss 2, Pp 1-15 (2024)
Purpose: The use of sewage sludge associated with natural rock-based fertilizers can increase nutrient solubility and soil fertility. From this perspective, this study evaluated changes in the chemical soil attributes and the nutrient availability ra
Externí odkaz:
https://doaj.org/article/8fa2b054a7be42129d5196635495e3db
Autor:
José Mendes dos Santos Junior, Fernando Colen, Rodinei Facco Pegoraro, Reges Heinrichs, Leidivan Almeida Frazão, Regynaldo Arruda Sampaio, Luiz Arnaldo Fernandes
Publikováno v:
Revista Ciência Agronômica, Vol 55 (2024)
ABSTRACT The use of biochar in agriculture remains controversial due to the amounts applied and the small size of the particles which can cause respiratory problems when inhaled. With the aim of evaluating the effects of cattle manure biochar (CMB) o
Externí odkaz:
https://doaj.org/article/3e1b3978352645feb3ce5a1d99826396
Autor:
William Gleidson Alves Torres, Fernando Colen, Michele Xavier Vieira Megda, Leidivan Almeida Frazão, Fabiano Barbosa de Souza Prates, Regynaldo Arruda Sampaio, Luiz Arnaldo Fernandes
Publikováno v:
Acta Scientiarum: Agronomy, Vol 45, Iss 1 (2023)
Biochar is a carbon-rich material produced during organic waste pyrolysis. In this context, two experiments were performed to evaluate the effect of biochar produced from rice husks and cattle manure on soil fertility and common bean production, as w
Externí odkaz:
https://doaj.org/article/60776c775cfa4c3286df47596aacc1e6
Autor:
Altina Lacerda Nascimento, Maria Clara Oliveira Durães, Regynaldo Arruda Sampaio, Geraldo Ribeiro Zuba Junior, Fabiano Barbosa de Souza Prates, Luiz Arnaldo Fernandes, Everaldo Zonta, Nelson Moura Brasil do Amaral Sobrinho
Publikováno v:
Ciência Rural, Vol 53, Iss 12 (2023)
ABSTRACT: This study evaluated the levels of heavy metals in the soil and castor bean plant after fertilization with sewage sludge (SS) subjected to different stabilization processes. The study was conducted in a Haplic Cambisol with the following tr
Externí odkaz:
https://doaj.org/article/ba842c69b96c48beaf3711474e9102e1
Autor:
Paulo Henrique Silveira Cardoso, Paula Wellen Barbosa Gonçalves, Gustavo de Oliveira Alves, Rodinei Facco Pegoraro, Regynaldo Arruda Sampaio
Publikováno v:
Revista Ceres, Vol 68, Iss 5, Pp 471-483 (2021)
ABSTRACT The cultivation of grasses in sewage sludge (SS) with aeration has the potential for stabilization of sludge organic matter in the production of organic fertilizer. Thus, the objective of this work was to evaluate the cultivation of Urochloa
Externí odkaz:
https://doaj.org/article/06d4fe42a1f746b78129a267c4d20c31
Si-FITÓLITOS EM EUDICOTILEDÔNEAS E SEU POTENCIAL NA DESCONTAMINAÇÃO DE SOLOS CONTENDO METAIS PESADOS
Autor:
Adolf Heinrich Horn, Heloiza Márcia Fernandes Horn, Regynaldo Arruda Sampaio, Márcio Neves Rodrigues, Anarelly Costa Alvarenga, Igo Fernando Lepsch
Publikováno v:
Geochimica Brasiliensis, Vol 34, Iss 1, Pp 72-82 (2020)
For the decontamination of soils, rich in heavy metals are proposed various methods and procedures. Among them, one is the phytoremediation. The present study investigates the phytoremediation by phytoliths. In this text three native plants from the
Externí odkaz:
https://doaj.org/article/a986483290574841a06906619bf0d3ab
Autor:
Fabíola Mendes Braga, Mário Henrique Cardoso Barbosa, Ely Sandra Alves Oliveira, Izabelle de Paula Sousa, Claudiana Barbosa dos Santos, Regynaldo Arruda Sampaio
Publikováno v:
Revista Ceres, Vol 67, Iss 1, Pp 81-85 (2020)
ABSTRACT The use of residues for agricultural production is an alternative for the achievement of sustainability. When mixed with diatomaceous earth (DE) from biofuel filtration, sewage sludge (SS) plays an important role as soil conditioning agent.
Externí odkaz:
https://doaj.org/article/47206fc5b1b74c8ba1ba8e4eb5aabc19
Autor:
Maria Shirley Amorim Silva, Fernando Colen, Regynaldo Arruda Sampaio, Alcinei Místico Azevedo, Josiana Jussara Nazaré Basílio, Cryslane Gonçalves Cota, Luiz Arnaldo Fernandes
Publikováno v:
Ciência Rural, Vol 52, Iss 7 (2022)
ABSTRACT: In recent years there has been a growing interest in the use of organic waste in agriculture. In this way, was aimed with this study to evaluate the biochar from pequi shell (Caryocar brasiliense Cambess) on the soil chemical properties and
Externí odkaz:
https://doaj.org/article/11ba23db99b9427295f78ad59aa52d3b
Autor:
Verônica Aparecida Santos Ferreira Soares, Leidivan Almeida Frazão, Rodinei Facco Pegoraro, Regynaldo Arruda Sampaio, Luiz Arnaldo Fernandes
Publikováno v:
Semina: Ciências Agrárias, Vol 43, Iss 1 (2022)
The substitution of native vegetation in agricultural systems can cause several changes in the chemical and physical soil attributes, and in the dynamics of soil organic carbon. This study aimed to evaluate changes in soil physical attributes and car
Externí odkaz:
https://doaj.org/article/4649a7f95b7f40df882791d9393a3f8b