Performance of a cascade fertilizer seeder: sowing systems and mechanisms for fertilizer deposition

Autor: Paulo Ricardo Alves dos Santos, Carlos Alessandro Chioderoli, Alexsandro Oliveira Silva, Valsergio Barros Silva, Elivania Maria Sousa Nascimento

Publikováno v: Revista Ciência Agronômica, Vol 52, Iss 4 (2021)

ABSTRACT It is necessary to use new technologies to mitigate water scarcity in the semi-arid region. As such, the aim of this study was to evaluate the operational and energy performance of a ridge planter and fertiliser, as well as the deposition de

Externí odkaz: https://doaj.org/article/1a5f386df4cd401b853c3df05fdcc38b

A new species of Paraonis and an annotated checklist of polychaetes from mangroves of the Brazilian Amazon Coast (Annelida, Paraonidae)

Autor: Rannyele Passos Ribeiro, Paulo Ricardo Alves, Zafira da Silva de Almeida, Christine Ruta

Publikováno v: ZooKeys, Vol 740, Iss , Pp 1-34 (2018)

The polychaete fauna from the mangroves of the Amazon Coast in Maranhão state, Brazil, is reported in this study. Fourteen species are listed, namely Alitta succinea (Leuckart, 1847); Arabella (Arabella) iricolor Montagu, 1804; Capitella capitata (F

Externí odkaz: https://doaj.org/article/bd54fcbf1d414971b239695c97fb4bbf

'Que direitos e que desafios? Para uma compreensão de diferentes perspectivas de intervenção em ciencias da educação.'

Autor: Paulo Ricardo Alves Ferreira

Externí odkaz: https://hdl.handle.net/10216/118964

Control estadístico de calidad aplicado a la cuantificación de pérdidas en la zafra mecanizada de caña de azúcar en función de la rotación del extractor primario

Autor: Alves, Rodrigo Silva, Escarela, Victor Augusto da Costa, Santos, Paulo Ricardo Alves dos, Barboza, Thiago Orlando Costa, Chioderoli, Carlos Alessandro

Publikováno v: Research, Society and Development; Vol. 11 No. 16; e562111638611
Research, Society and Development; Vol. 11 Núm. 16; e562111638611
Research, Society and Development; v. 11 n. 16; e562111638611
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI

As a result of the use of mechanized sugarcane harvesting, studies are needed that advocate the best operational and economic performance of the harvester. Therefore, the objective of this work was to evaluate the visible losses in the mechanized har

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::10a01c4ee89ba28915f20e922acb685f
https://rsdjournal.org/index.php/rsd/article/view/38611

Analysis of the mechanical properties of the concrete with partial substitution of the kind’s aggregate glass powder

Autor: Diovana da Silva Santos, Max Silva de Almada, Walber Alves Freitas, Gabriel Gregório Sousa Pereira, Lirana Lamara Barreto da Silva, Paulysendra Felipe Silva, Paulo Ricardo Alves dos Reis Santos, Italo Gutierry Carneiro da Conceição

Publikováno v: International Journal for Innovation Education and Research. 9:406-425

In this study, the influence of partial introduction as glass as fine aggregate on the composition of simple concrete is analyzed, considering that sand (fine aggregate currently used) has been used on a large scale in civil construction over the yea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ab0f50a1c63e328b70659269e43f4a0
https://doi.org/10.31686/ijier.vol9.iss6.3204