Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Sérvulo Mercier Siqueira e Silva"'
Autor:
MARCELA LÚCIA BARBOSA, THIERES GEORGE FREIRE DA SILVA, SERGIO ZOLNIER, SÉRVULO MERCIER SIQUEIRA E SILVA, ANTONIO JOSÉ STEIDLE NETO
Publikováno v:
Revista Caatinga, Vol 31, Iss 1, Pp 180-190 (2018)
Here we aimed to evaluate the influence of cladode morphology on the canopy formation of forage cactus plants. The study was carried out in Serra Talhada, the State of Pernambuco, using the IPA Sertânia (IPA), Miúda (MIU), and Orelha de Elefante Me
Externí odkaz:
https://doaj.org/article/cfcaed32c84c42b39837161a857eae3a
Autor:
POLIANA DE CALDAS PEREIRA, THIERES GEORGE FREIRE DA SILVA, SÉRGIO ZOLNIER, SÉRVULO MERCIER SIQUEIRA E SILVA, MARCELO JOSÉ DA SILVA
Publikováno v:
Revista Caatinga, Vol 30, Iss 3, Pp 776-785 (2017)
Forage cactus species may belong to different genera (such as Opuntia and Nopalea), which can result in different water dynamics at the biosphere-atmosphere interface. The objective of this study was to analyze the water balance in soil cultivated wi
Externí odkaz:
https://doaj.org/article/80e5e32245ff4f489fc1616c6056bf15
Autor:
ANDRÉ QUINTÃO DE ALMEIDA, RODOLFO MARCONDES SILVA SOUZA, SÉRVULO MERCIER SIQUEIRA E SILVA, IVAN SOUTO DE OLIVEIRA JUNIOR, FARNÉSIO DE SOUSA CAVALCANTE, JOSÉ ALISON DA SILVA MELO
Publikováno v:
Revista Caatinga, Vol 29, Iss 2, Pp 358-366 (2016)
Jatropha has emerged as a source of power generation in the semiarid region of Brazil. The objective of this study was to evaluate, using geostatistics, the spatial variability of stem diameter, plant height and seed weight of jatropha (Jatropha curc
Externí odkaz:
https://doaj.org/article/e8567cb7317f4057a4732ea6f7d5d820
Autor:
Thieres George Freire da Silva, Jorge Torres Araújo Primo, Magna Soelma Beserra de Moura, Sérvulo Mercier Siqueira e Silva, José Edson Florentino de Morais, Poliana de Caldas Pereira, Carlos André Alves de Souza
Publikováno v:
Pesquisa Agropecuária Brasileira, Vol 50, Iss 7, Pp 515-525 (2015)
Abstract: The objective of this work was to evaluate soil water dynamics in areas cultivated with forage cactus clones and to determine how environmental conditions and crop growth affect evapotranspiration. The study was conducted in the municipalit
Externí odkaz:
https://doaj.org/article/0d90d518cd4e4e6082c78bc7db28c44c
Autor:
Jorge Torres de Araújo Primo, Thieres George Freire da Silva, Sérvulo Mercier Siqueira e Silva, Magna Soelma Beserra de Moura, Luciana Sandra Bastos de Souza
Publikováno v:
Revista Ceres, Vol 62, Iss 1, Pp 20-29 (2015)
Objetivou-se, com este trabalho, realizar a calibração de três sondas capacitivas, visando a utilizá-las na definição de funções físico-hídricas e na análise da variação espacial e temporal do conteúdo (q) e do armazenamento de água, e
Externí odkaz:
https://doaj.org/article/0de4265b7679413fa1a481f035e9093a
Autor:
POLIANA DE CALDAS PEREIRA, THIERES GEORGE FREIRE DA SILVA, SÉRVULO MERCIER SIQUEIRA E SILVA, JOSÉ FRANCISCO DA CRUZ NETO, JOSÉ EDSON FLORENTINO DE MORAIS
Publikováno v:
Revista Caatinga, Vol 27, Iss 1, Pp 131-140 (2014)
The objective of this study was to propose monthly average values of Class “A” pan (Kp) for the Pajeu Middle region, as well as analyze the theirs effects in the estimate of agricultural crop evapotranspira- tion (ETc). Evaporation values of clas
Externí odkaz:
https://doaj.org/article/b41e89c4a4f74c46a6db48047a67f74c
Autor:
Marcela Lúcia Barbosa, Thieres George Freire da Silva, Sérgio Zolnier, Sérvulo Mercier Siqueira e Silva, George do Nascimento Araújo Junior, Alexandre Maniçoba da Rosa Ferraz Jardim
Publikováno v:
Revista Ceres, Vol 64, Iss 5, Pp 465-475
ABSTRACT Despite belonging to the same photosynthetic group (CAM - Crassulacean Acid Metabolism), evapotranspiration of distinct species of forage cactus may respond differently to meteorological variables and depends on its growth dynamics. The obje
Externí odkaz:
https://doaj.org/article/9e4155d3ab76482cbc74719d9c40d3fe
Autor:
Marcela Lúcia Barbosa, Thieres George Freire da Silva, Sérgio Zolnier, Sérvulo Mercier Siqueira e Silva, Williams Pinto Marques Ferreira
Publikováno v:
Revista Ciência Agronômica, Vol 49, Iss 3, Pp 399-408
ABSTRACT The environmental factors that affect the morphological characteristics of different genera of cacti are little known. The aim of this study therefore was to analyse the contribution of environmental variables to growth in cladodes and plant
Externí odkaz:
https://doaj.org/article/48caa21572a245f88d54f6bf3d5fe6da
Autor:
Katarynna Santos de Araújo, Mariana Oliveira Barbosa, Carolina Barbosa Malafaia, Leonardo Devilles dos Santos, Sérvulo Mercier Siqueira e Silva
Publikováno v:
Journal of Environmental Analysis and Progress. :251-256
The palm oil (Elaeis guineensis Jacq.) is widely produced in the Brazilian Amazon region; however, the expansion of its cultivation to other environments is mandatory to attend the increasing demand of the industry, especially in the food and biodies
Autor:
Francisco Abel Lemos Alves, Djalma Cordeiro dos Santos, Marciano Arcanjo Barbosa Oliveira, Sérvulo Mercier Siqueira e Silva
Publikováno v:
Pesquisa Agropecuária Pernambucana. 25
Forage cactus is a CAM-optional plant according to its water status. The objective of this study was to characterize the net photosynthesis rate (Pn), transpiration rate (E), stomatal conductance (C), internal CO 2 concentration(CO 2int. ), water use