Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Vania da Silva Fraga"'
Autor:
Kalline De Almeida Alves Carneiro, Tancredo Augusto Feitosa De Souza, Gislaine Dos Santos Nascimento, Vânia Da Silva Fraga, Bruno de Oliveira Dias
Publikováno v:
International Journal of Recycling of Organic Waste in Agriculture, Vol 13, Iss 2, Pp 1-8 (2024)
Purpose: Phosphorus mobilization (PM) in tropical Regosols may be harmful to the environment and water quality. It is expected that high contents of soluble phosphorus in sandy soils may promote the P leaching through the transport of the available p
Externí odkaz:
https://doaj.org/article/c4a01b4ec32e45b9ba8049b386999965
Autor:
Evandro Franklin de Mesquita, Antônio Gustavo de Luna Souto, Vania da Silva Fraga, Belísia Lúcia Moreira Toscano Diniz, Maria Rosimeire Miguel da Silva, Stênio Andrey Guedes Dantas, Roberto Monteiro Ferreira Filho, Francisco Vanies da Silva Sá, Lourival Ferreira Cavalcante
Publikováno v:
African Journal of Agricultural Research. 11:2720-2729
Noni has been introduced in Brazil just over a decade ago. Therefore, the information regarding crop fertilization and its influence on fruit quality is rare in the literature. Among macronutrients, potassium is highly concentrated in noni plants, an
Publikováno v:
Revista Principia, Vol 1, Iss 50, Pp 90-98 (2020)
O objetivo deste estudo foi avaliar o efeito da aplicação de água residuária tratada na recuperação dos teores de matéria orgânica e fósforo em um solo degradado na região semiárida. Foi realizado um experimento com irrigação de cinco es
Externí odkaz:
https://doaj.org/article/610a5d71fbcc4b6093e45bb17e3fe4c1
Autor:
Raphael Passaglia Azevedo, Ignacio Hernán Salcedo, Priscila Alves Lima, Vânia da Silva Fraga, Regina Maria Quintão Lana
Publikováno v:
International Journal of Recycling of Organic Waste in Agriculture, Vol 7, Iss 2, Pp 153-163 (2018)
Abstract Purpose The long-term use of manure as a source of nutrients can promote phosphorus (P) leaching, especially in sandy soils. The aim was to evaluate P mobility from organic and mineral sources in columns, linked with the Dystric Xeropsamment
Externí odkaz:
https://doaj.org/article/8c4888e058494db0b2580b9f03460cbb
Publikováno v:
Revista Ceres, Vol 61, Iss 3, Pp 399-405 (2014)
A baixa disponibilidade de boro (B) no solo é um dos fatores que mais limita a produção do girassol, planta oleaginosa caracterizada por ampla adaptabilidade climática. O objetivo desta pesquisa foi avaliar a influência de doses de boro, aplicad
Externí odkaz:
https://doaj.org/article/ff48da36f2dd4cb89523a3302b52a573
Autor:
ADRIANA CARRHÁ LEITÃO, WALTER ALVES DE VASCONCELOS, ARNÓBIO DE MENDONÇA BARRETO CAVALCANTE, LEONARDO BEZERRA DE MELO TINÔCO, VÂNIA DA SILVA FRAGA
Publikováno v:
Revista Caatinga, Vol 27, Iss 3, Pp 200-210 (2014)
The vegetation features in the coastal portion of the State of Rio Grande do Norte are presented as transitional environment between Caatinga and Atlantic Forest biomes. Being an area where distinct phytoecological domains overlap and interpenetrate
Externí odkaz:
https://doaj.org/article/f52a95591be04cd6b175d24d271db494
Autor:
MANOEL EUBA NETO, VÂNIA DA SILVA FRAGA, WALTER ESFRAIN PEREIRA, BRUNO DE OLIVEIRA DIAS, JACOB SILVA SOUTO
Publikováno v:
Revista Caatinga, Vol 27, Iss 1, Pp 100-108 (2014)
Boron deficiency in sunflower cultivation can cause decreased production, mainly by the fall of the inflorescence diameter. Most soils, especially in the tropics present low content of boron (B) available. To ascertain the response of sunflower to bo
Externí odkaz:
https://doaj.org/article/e0260079ef84491db86dafcb87484bea
Autor:
Walda Monteiro Farias, Leonaldo Alves de Andrade, Elane Domingos Pereira, Bruno Oliveira Dias, Manoel Bandeira de Albuquerque, Vânia da Silva Fraga
Publikováno v:
Semina: Ciências Agrárias, Vol 34, Iss 6Supl1, Pp 3257-3270 (2013)
Aquatic macrophytes are widely used as bioindicators of water quality because their proliferation usually occurs in eutrophic water sources and has hit several parts of Brazil and the world, restricted the multiple uses of aquatic ecosystems. However
Externí odkaz:
https://doaj.org/article/956af5dc49494397994578ccb5dcb7e5
Autor:
Ana Dolores Santiago de Freitas, Tácio Oliveira da Silva, Rômulo Simões Cezar Menezes, Everardo Valadares de Sá Barretto Sampaio, Eduardo Rodrigues Araújo, Vânia da Silva Fraga
Publikováno v:
Revista Brasileira de Zootecnia, Vol 40, Iss 9, Pp 1856-1861 (2011)
A fixação biológica de nitrogênio foi avaliada em jureminha (Desmanthus pernambucanus), orelha-de-onça (Macroptilium martii) e feijão-de-rolinha (Macroptilium lathyroides) cultivados em solos do semiárido da Paraíba, em vasos sem e com esterc
Externí odkaz:
https://doaj.org/article/70b923b167694780a79369fed60cedf7
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 35, Iss 2, Pp 551-557 (2011)
Os solos arenosos utilizados para o cultivo da batatinha (Solanum tuberosum) no agreste da Paraíba têm baixo teor de N. Adubações anuais com esterco e N mineral, realizadas empiricamente, têm resultado na acumulação e,ou, perda de nutrientes d
Externí odkaz:
https://doaj.org/article/f73f6ed1fdda43e5a575deaff8bbff8d