Stephen Brain
Discipline
Type de document
Co-auteur
Date
Source
Mot-clé
Soils (2) Suelos (2) Sols (2) Preservation (1) Conservation (1) Agriculture (1) Methods (1) Twentieth century (1) State, The (1) Scientists (1) Russians (1) Rural population (1) Reforestation (1) Railroads (1) Peasants (1) Nature (1) Intertropical convergence zone (1) Farmers (1) Equilibrium (1) Biotic communities (1) Belief and doubt (1) Asset-liability management (1) Armies (1) Agriculturists (1) Methods (1) Expertising (1) Land tenure (1) Población rural (1) Agricultores (1) Ferrocarriles (1)
