Results 21 to 30 of about 242,539 (214)
Dinámica natural y respuesta al raleo de árboles juveniles de lenga (Nothofagus pumilio) en bosques secundarios en Patagonia Sur [PDF]
For saw-log production, planned thinning in secondary forests may reduce the time to yield products of a desired size and quality. To explore some options, long-term monitoring plots were established in 1996 in two secondary stands of Nothofagus pumilio (
Martínez Pastur, Guillermo José+2 more
core +3 more sources
Abstract The spread of false and misleading information in digital communication spaces has enormous potential for harm in democratic societies, but has so far been insufficiently addressed by policy makers. This problem has been exacerbated by recent technological developments such as deepfakes.
Olivia Hägle+3 more
wiley +1 more source
Comparativa de lo que debe hacer una persona para crecer tan fuerte como un ...
García Verduch, Antonio
core
High extinction risk of the endemic tree flora in a hyper‐diverse region of the Amazon
The rapid global loss of biodiversity, especially in the Neotropics, underscores the need to understand how deforestation impacts endemic plant species' extinction risk and conservation status. Due to limited ranges and habitat specialization, endemics are particularly Vulnerable.
Juan Ernesto Guevara‐Andino+2 more
wiley +1 more source
Beneficios de la integración de árboles maderables en sistemas ganaderos convencionales : Caso de estudio - Finca Nápoles, Montenegro Quindío [PDF]
En este trabajo se evaluaron los beneficios de incorporar árboles maderables en sistemas ganaderos convencionales, en el departamento del Quindío específicamente municipio de Montenegro.
Sánchez Ortíz, Jessica María
core
El presente trabajo es parte de la información obtenida entre 2016 y 2019 en las excavaciones del dolmen de corredor de la Cobertoria: especialmente, en la última de las fases constructivas del megalito, datada por radiocarbono a mediados del cuarto ...
Fernando Rodríguez del Cueto+3 more
doaj +1 more source
Huánglóngbìng (HLB) is a bacterial disease of citrus that has significantly impacted Brazil and the United States, although citrus production in the Mediterranean Basin remains unaffected. By developing a mathematical model of spread in Spain, we tested surveillance and control strategies before any future HLB entry in the EU.
John Ellis+9 more
wiley +1 more source
Evaluación de Ethephon y ABA como defoliantes y sus efectos en la salida de receso, brotación y retorno floral en manzanos cv. Ultra Red Gala [PDF]
54 p.Se evaluó Ethephon y ABA como defoliantes y sus efectos en el tiempo de salida de receso, brotación y retorno floral en árboles de manzano adultos cv. Ultra Red Gala.
Palma Gutíerrez, Miguel Alexis+2 more
core
Design, construction and testing of an apricot tractor-trailed harvester [PDF]
[ENG]The purpose of this research is to facilitate the mechanical harvesting of apricots (Prunus armeniaca L.) for industry. A tractor-trailed harvester was built to catch the fruits detached from apricot (cv. Búlida) trees by vibratory systems.
Bernad Godina, José Juan+7 more
core +5 more sources
El análisis de los cambios que producen la invasión de especies vegetales sobre la estructura de las comunidades de pastizales y la planificación de la restauración de las especies nativas deben incluir el estudio del banco de semillas.
Osvaldo R. Vignolio+3 more
doaj +1 more source