La reconstrucción del clima de época preinstrumental

Soil is a pivotal component of the environment and the maintenance of soil quality is critical for ensuring the sustainability of the environment and the biosphere. The use of fertilizers has increased at a faster rate than global food production. Modern agriculture is dependent on phosphorus derived from phosphate rock, which is a non-renewable resource. It is needed to improve P acquisition efficiency for both low input and intensive agroecosystems. However, few studies have focused on cereal-legume interactions with regard to soil P. The objective of this work was to study the effects of...

Los siete art culos que componen este libro fueron escritos a lo largo de una d cada y constituyen una excelente contribuci n al tema de la colaboraci n y la competencia, que involucra tanto la teor a de los juegos como teor a de la complejidad. el original enfoque de Axelrod es de inter s Para m ltiples disciplinas, entre las que destacan las ciencias sociales y las ciencias pol ticas.

'An ideal introduction [to Stephen Hawking]' - Independent 'Astonishingly comprehensive - clearer than Hawking himself' - Focus Stephen Hawking was a world-famous physicist with a cameo in The Simpsons on his CV, but outside of his academic field his work was little understood. To the public he was a tragic figure - a brilliant scientist and author of the 9 million-copy-selling A Brief History of Time, and yet spent the majority of his life confined to a wheelchair and almost completely paralysed. Hawking's major contribution to science was to integrate the two great theories of 20th-century...

Un manual repleto de consejos para mejorar la memoria, activar la mente y aprender nuevas herramientas que cambiarán profundamente tu cuerpo y tu estilo de vida. Entre la divulgación científica y la memoria personal, este libro es la historia de transformación de la doctora Suzuki, y la base científica en la qué basó dicho cambio, en el que muestra cómo utilizar el cerebro para sentirte mejor contigo mismo y alcanzar una vida plena.