Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Rafael Vasconcelos Valadares"'
Autor:
Samuel Vasconcelos Valadares, Leonardo Ferreira da Silva, Rafael Vasconcelos Valadares, Luiz Arnaldo Fernandes, Júlio César Lima Neves, Regynaldo Arruda Sampaio
Publikováno v:
Revista Árvore, Vol 39, Iss 2, Pp 225-232 (2015)
O experimento foi conduzido em casa de vegetação da Universidade Federal de Minas Gerais, com o objetivo de avaliar o crescimento inicial, a eficiência de uso do P e frações de fósforo em três espécies florestais submetidas a quatro níveis d
Externí odkaz:
https://doaj.org/article/c77dab2e97fc4065b07a4a5bc8ab4695
Autor:
RAFAEL VASCONCELOS VALADARES, SAMUEL VASCONCELOS VALADARES, LUIZ ARNALDO FERNANDES, REGYNALDO ARRUDA SAMPAIO
Publikováno v:
Revista Caatinga, Vol 27, Iss 3, Pp 169-176 (2014)
In order to study the effect of nitrogen sources upon the yields and nutrition of corn for silage and on the chemical attributes of a Cambisol, at Northern of Minas Gerais, Brazil, under calcareous water. The cultivar used was Decalb 390®, with a sp
Externí odkaz:
https://doaj.org/article/a25720647eac4ed5afc150ebb7980868
Autor:
Ivan Caldeira Almeida Alvarenga, Rafael Vasconcelos Valadares, Ernane Ronie Martins, Flávio Gonçalves Oliveira, Lourdes Silva de Figueiredo, Mauro Koji Kobayashi
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 46, Iss 7, Pp 706-711 (2011)
The objective of this work was to assess the effect of different periods of water stress before harvest of pepper-rosmarin (Lippia sidoides) on the contents of essential oil and flavonoids. The experiment was carried out during 270 days of cultivatio
Externí odkaz:
https://doaj.org/article/516c8fd3aa4347f3b86029a34769dfd8
Autor:
Samuel Vasconcelos Valadares, Isabela Cristina Gomes Honório, Cecílio Frois Caldeira Júnior, Rafael Vasconcelos Valadares, Camila Karen Reis Barbosa, Ernane Ronie Martin, Luiz Arnaldo Fernandes
Publikováno v:
Biotemas, Vol 23, Iss 3, Pp 21-24 (2010)
The objective of this work was to evaluate the effect of different organic fertilization levels on the production of marigolds (Calendula officinalis L.) planted on living perennial mulch of Bahia grass (Paspalum notatum). The experiment was carried
Externí odkaz:
https://doaj.org/article/7958886675da4f44945663b082410402
Autor:
Yane Freitas Silva, Rafael Vasconcelos Valadares, Henrique Boriolo Dias, Santiago Vianna Cuadra, Eleanor E. Campbell, Rubens A. C. Lamparelli, Edemar Moro, Rafael Battisti, Marcelo R. Alves, Paulo S. G. Magalhães, Gleyce K. D. A. Figueiredo
Publikováno v:
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Sustainability; Volume 14; Issue 6; Pages: 3517
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Sustainability; Volume 14; Issue 6; Pages: 3517
Process-based models (PBM) are important tools for understanding the benefits of Integrated Crop-Livestock Systems (ICLS), such as increasing land productivity and improving environmental conditions. PBM can provide insights into the contribution of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a397e3209d655f718d132ed8546155c6
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1141004
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1141004
Autor:
Aliny Aparecida dos Reis, Rafael Vasconcelos Valadares, Rubens Augusto Camargo Lamparelli, Paulo Sérgio Graziano Magalhães, Yane de Freitas da Silva, Gleyce Kelly Dantas Araújo Figueiredo, Joao P. S. Werner, Eleanor E. Campbell
Publikováno v:
Geocarto International. 37:6033-6051
MODIS time series carries valuable long-term data essential to support several studies such as biogeochemical modelling. However, there is a lack of validation studies applying MODIS data at a fine...
Autor:
Samuel Vasconcelos Valadares, Ernane Ronie Martins, Candido Alves da Costa, Luiz Arnaldo Fernandes, Rafael Vasconcelos Valadares
Publikováno v:
Horticultura Brasileira, Vol 38, Iss 1, Pp 78-82 (2020)
Horticultura Brasileira, Volume: 38, Issue: 1, Pages: 78-82, Published: 30 MAR 2020
Horticultura Brasileira v.38 n.1 2020
Horticultura Brasileira
Associação Brasileira de Horticultura (ABH)
instacron:ABH
Horticultura Brasileira, Volume: 38, Issue: 1, Pages: 78-82, Published: 30 MAR 2020
Horticultura Brasileira v.38 n.1 2020
Horticultura Brasileira
Associação Brasileira de Horticultura (ABH)
instacron:ABH
Caygua fruits (Cyclanthera pedata) are used both in cooking and for medicinal purposes. However, few studies on this species, considered a non-conventional vegetable, can be found in literature. This study aimed to assess the responses of caygua crop
Autor:
Edemar Moro, João Amaro Ferreira Vieira Netto, Júlio César Lima Neves, Rafael Vasconcelos Valadares, Ivo Ribeiro da Silva, Marcelo Rodrigo Alves, Maurício Dutra Costa, Luiz Arnaldo Fernandes
Publikováno v:
The Science of the total environment. 746
In this review, we present the state of art regarding rhizosphere effects on eucalypt plantations. It provides a greater understanding of carbon (C) and nitrogen (N) turnover in forest soils. P organic hydrolysis, soil mineral solubilization, indolea
Autor:
Júlio César Lima Neves, Rafael Vasconcelos Valadares, Reinaldo Bertola Cantarutti, Guilherme Luiz de Jesus, Luiz Alexandre Peternelli, Philip J. Smethurst, Ivo Ribeiro da Silva, Maurício Dutra Costa
Publikováno v:
Biogeosciences. 15:4943-4954
Vigorous Eucalyptus plantations produce 105 to 106 km ha−1 of fine roots that probably increase carbon (C) and nitrogen (N) cycling in rhizosphere soil. However, the quantitative importance of rhizosphere priming is still unknown for most ecosystem
Autor:
Rafael Vasconcelos Valadares, Rogério Faria Vieira, Reinaldo Bertola Cantarutti, Edson Marcio Mattiello
Publikováno v:
Journal of Plant Nutrition and Soil Science. 180:585-593
Rock phosphate (RP) shows reduced dissolution in soils amended with limestone and when applied through spot application. A simple way to improve RP efficiency under these unfavorable conditions may be the combination with nitrogen (N) fertilizers whi