Land Library
Bienvenido a la biblioteca de Land Portal. Explora nuestra amplia colección de recursos de acceso abierto (más de 74.000), que incluye informes, artículos de revistas científicas, trabajos de investigación, publicaciones revisadas por pares, documentos jurídicos, vídeos y mucho más.
/ library resources
Showing items 1 through 4 of 4.This manual is designed to give detailed, practical advice on the various methodologies of organic recycling. Blue-green algae form a self-sufficient system which is capable of fixing atmospheric nitrogen in organic forms and which grows upon a free water surface.
Revista internacional de silvicultura e industrias forestales
An international journal of forestry and forest industries
This course teaches the farmer about the water cycle. It covers rainfall, ground water, the water table, surface water, evaporation, and transpiration. It also delivers information on wells and springs, swamps, ponds, lakes, streams and rivers. It explains how water is necessary for life.