El quehacer de la ciencia

Eighty-eight lavishly illustrated pages of stepby-step coloured drawings and photographs teaches you how to grow orchids confidently, successfully and professionally. Written for the amateur and the professional without access to sophisticated laboratory equipment and chemicals, this contains all you need to know to become an expert.

Biographies and bibliographies of members are included in many of the volumes. Lists of members are usually given on covers of the numbers.

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...

Este libro tiene el propósito de abrir la discusión de este enfoque interpretativo a través de un pequeño número de investigaciones que abordan la investigación científica en diversas regiones y ciudades de México, enfatizando las peculiaridades del conocimiento y las prácticas locales, así como los circuitos de movilidad por donde se desplazaron a lo largo del periodo en estudio. En este sentido, se destacan las diversas ubicaciones de las prácticas científicas en espacios físicos concretos reconociendo su carácter local y situado, y se destaca el papel que desempeñan la...