29,355 research outputs found
Efeito de diferentes tipos de cobertura na produço de mudas de algumas espécies florestais.
A cobertura usada sobre as sementes, tem por finalidade minimizar os fatores que prejudicam a germinação, ou seja, manter a umidade do substrato, evitar grandes variações da temperatura do solo e impedir que as sementes leves sejam jogadas fora dos recipientes pela ação do vento ou da água usada na irrigação
Conservação in vitro de germoplasma de mandioca.
A mandioca é nativa do continente americano, cultivada atualmente em muitos países, sendo o sexto produto alimentar da humanidade em volume de produção. Diante da relevância dessa cultura, a conservação in vitro constitui-se numa ferramenta importante para auxiliar na preservação de seus recursos genéticos
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Dewey Hodges’s Research in Structural Dynamics, Aeroelasticity, and Composites: A Personal Perspective
The contributions of Dewey Hodges within the specialized areas of structural dynamics, aeroelasticity, and composites are highlighted in this paper. Dewey Hodges has published 215 journal papers and 170 conference papers covering a wide range of topics in aerospace structures. His research and academic career span nearly five decades and it is difficult, if not impossible, to give a detailed commentary on his colossal achievement in the confines of a single paper. It is widely acknowledged that Dewey Hodges’s research record is no less than incredible. He has not only given an exceptional account of himself but has also demonstrated his extraordinary versatility in research. The author of this paper has known him both personally and professionally for nearly three decades and, with great humility, he acknowledges the enormous benefit he has received from his association with him. Given the huge volume of work Dewey Hodges has produced and the enormity of the task of commenting on it, the author has understandably been highly selective in choosing which contributions to discuss
Ampliação da rede experimental do programa de melhoramento de eucalipto no CNPF/Embrapa.
Edição dos Anais do Congresso Florestal Brasileiro, 6., 1990, Campos do Jordão
Desvitalização de árvores com tratamento silvicultural em floresta natural no município de Vitória do Jari, Estado do Amapá.
bitstream/item/60316/1/CPATU-PA184.pd
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