Results 11 to 20 of about 157 (110)

Germinação de sementes de Dalbergia nigra (Vell.) Fr. All. - doi: 10.4025/actascibiolsci.v33i4.5834

Acta Scientiarum: Biological Sciences, 2011
Dalbergia nigra (Vell.) Fr. All., conhecida popularmente como jacarandá-da-bahia, é uma espécie bastante conhecida pela exploração da sua madeira. Foi realizado um experimento no Laboratório de Análises de Sementes (CCA/UFPB) Areia, Estado da Paraíba ...
Roberta Sales Guedes, Edna Ursulino Alves, Edilma Pereira Gonçalves, Pablo Radamés Cabral de França, Macio Faria de Moura, Sueli da Silva Santos   +5 more
doaj   +1 more source

Initial growth of Campomanesia adamantium (Cambess.) O. Berg. seedlings on substrates with different compositions and water retention capacities

Bioscience Journal, 2016
 Information on germination, seedling development, and substrates and water requirements of native Savannah species are scarce, for propagation and plantation establishments.
Daiane Mugnol Dresch, Silvana de Paula Quintão Scalon, Rosilda Mara Mussury, Flávia Mitsuko Kodama   +3 more
doaj   +3 more sources

Production and quality of Anacardium othonianum Rizz. seedlings grown in different substrates

Revista Brasileira de Fruticultura, 2014
This study aimed to evaluate the effect of substrate on growth, emergence, nutrition, and quality of Anacardium othonianum Rizz. (cerrado cashew tree) seedlings.
Paulo Dornelles, Fabiano Guimarães Silva, Clenilso Sehnen Mota, João das Graças Santana   +3 more
doaj   +1 more source

Seed germination index of two varieties of papaya (Carica papaya L.) under the Bioplant substrate / Índice de germinação de sementes de duas variedades de mamão (Carica papaya L.) em substrato Bioplant

Diversitas Journal, 2018
In Brazilian commercial plantations, one form of propagation most used for papaya is the use of seed, since it is a better way of propagation. This work objected to evaluate the seed germination index of two varieties of papaya (Carica papaya L.) on ...
Luan Lucas Cardoso Lima, Diego Jorge da Silva, Luiz Eduardo Bezerra Silva, Rubens Pessoa de Barros   +3 more
doaj   +1 more source

The Use of Epoxy Silanes on Montmorillonite: An Effective Way to Improve Thermal and Rheological Properties of PLA/MMT Nanocomposites Obtained via “In Situ” Polymerization

Journal of Nanomaterials, Volume 2015, Issue 1, 2015., 2015
Polylactic acid (PLA) nanocomposites were prepared via “in situ” ring opening polymerization (ROP) of lactide using a montmorillonite, Cloisite 15A, employed after surface treatment with 3‐Glycidoxypropyltrimethoxysilane. The dispersion of the nanoparticles was checked using Wide Angle X‐Ray Scattering (WAXS) and Transmission Electron Microscopy (TEM);
Valentina Sabatini, Hermes Farina, Luca Basilissi, Giuseppe Di Silvestro, Marco A. Ortenzi, Yibing Cai   +5 more
wiley   +1 more source

Desenvolvimento inicial de mudas de copaíba sob diferentes níveis de sombreamento e substratos Early development of seedlings of copaiba under different shade levels and substrates

Revista Ciência Agronômica, 2012
O presente estudo objetivou avaliar a influência de diferentes níveis de sombreamento e tipos de substratos no desenvolvimento inicial de mudas de copaíba.
Tiago Reis Dutra, Paulo Henrique Grazziotti, Reynaldo Campos Santana, Marília Dutra Massad   +3 more
doaj   +1 more source

Saline Agriculture in the 21st Century: Using Salt Contaminated Resources to Cope Food Requirements

Journal of Botany, Volume 2012, Issue 1, 2012., 2012
With the continue increase of the world population the requirements for food, freshwater, and fuel are bigger every day. This way an urgent necessity to develop, create, and practice a new type of agriculture, which has to be environmentally sustainable and adequate to the soils, is arising.
Bruno Ladeiro, Conceição Santos
wiley   +1 more source

SUBSTRATO E ADUBAÇÃO NITROGENADA NA PRODUÇÃO DE MUDAS DE MARACUJAZEIRO AMARELO EM CONDIÇÕES PROTEGIDAS

Colloquium Agrariae, 2017
Atualmente, mudas de diversas fruteiras são produzidas no cultivo protegido, com o uso de substratos aliados a adubações. Há necessidade de substrato de fácil aquisição e que proporcione mudas de boa qualidade.
Rodrigo Takashi Maruki Miyake, José Eduardo Creste, Nobuyoshi Narita, Wellington Eduardo Xavier Guerra   +3 more
doaj   +2 more sources

Phytotoxicity by Lead as Heavy Metal Focus on Oxidative Stress

Journal of Botany, Volume 2012, Issue 1, 2012., 2012
In the recent years, search for better quality of life in urban areas has been provoking an increase in urban agriculture. However, this new way of agriculture can bring risks to human health since this land is highly contaminated, due to anthropogenic activities.
Sónia Pinho, Bruno Ladeiro, Conceição Santos   +2 more
wiley   +1 more source

Emergência e crescimento inicial de plântulas de Peltophorum dubium (Spreng.) Taubert sob diferentes substratos Emergence and early growth of Peltophorum dubium (Spreng.) Taubert seedlings under different substrata

Revista Ciência Agronômica, 2011
O objetivo deste trabalho foi avaliar o efeito de diferentes substratos na emergência e crescimento inicial de plântulas de Peltophorum dubium (Spreng.) Taubert.
Edna Ursulino Alves, Leonardo Alves de Andrade, Riselane de Lucena Alcântara Bruno, Renata Moutinho Vieira, Edson de Almeida Cardoso   +4 more
doaj   +1 more source