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Soil fertility characterisation of teak (Tectona grandis L.f.) plantations in Central America
(2015)
Teak (Tectona grandis L.f.) is an important species in the worldwide quality tropical hardwood sector, which has gained significance in Central America since the first large plantations were established in the 1980s. The ...
Chemical and microbiological interactions between soils and roots in commercial banana plantations (Musa AAA, cv. Cavendish)
(2015-12-14)
A study was performed to determine the relationships between soil chemical and microbiological conditions and how they impact soil production. The study was carried out on six Costa Rican commercial banana farms with high, ...
Determinación de la resistencia a la penetración, al corte tangencial, densidad aparente y temperatura en un suelo cafetalero, Juan Viñas, Costa Rica
(2010-10-05)
En un suelo cultivado con café en Juan Viñas, Costa Rica, se determinó la resistencia a la penetración (con 2 tipos de penetrómetros) y al corte tangencial, densidad aparente, humedad gravimétrica y temperatura en la ...
Recovery of oil palms (Elaeis guineensis Jacq.) affected by spear rots
(2015)
Spear rot or PC (for the Spanish name pudrición del cogollo), known locally in Costa Rica as ‘flecha seca’ is a disorder that affects the development, physiology and yield of the oil palm. It is associated with the ...
Labranza mecanizada de pasturas mediante tres implementos en un ultisol y sus implicaciones físicas e hidropedológicas
(2015)
Mediante un estudio en el campo, se determinó el efecto de la labranza mecanizada con 3 implementos sobre la compactación, las variables físicas e hidropedológicas de un Ultisol dedicado a la ganadería, ubicado en San ...
Inoculación al suelo con Pseudomonas fluorescens, Azospirillum oryzae, Bacillus subtilis y microorganismos de montaña (mm) y su efecto sobre un sistema de rotación soya-tomate bajo condiciones de invernadero
(2015)
Se evaluó un sistema de rotación soyatomate, con incorporación de biomasa verde y aplicación de inóculos microbianos individuales y en mezcla sobre el crecimiento de las plantas y propiedades edáficas; para ello se evaluaron ...
From dirt to industrial applications: Pseudomonas putida as a Synthetic Biology chassis for hosting harsh biochemical reactions
(2016-10)
The soil bacterium Pseudomonas putida is endowed with a central carbon metabolic network capable of fulfilling high demands of reducing power. This situation arises from a unique metabolic architecture that encompasses the ...
A Metabolic Widget Adjusts the Phosphoenolpyruvate-Dependent Fructose Influx in Pseudomonas putida
(2016)
Fructose uptake in the soil bacterium Pseudomonas putida occurs through a canonical phosphoenolpyruvate (PEP)-dependent sugar transport system (PTSFru). The logic of the genetic circuit that rules its functioning is puzzling: ...