Subjects: | FO CIP,
POPULUS,
WORLD,
SILVICULTURE,
FORESTRY PRODUCTION,
FORESTS,
USES,
SALICACEAE,
SILVICULTURAL SYSTEMS,
SPACING,
CROP ROTATION,
GROWTH,
GENETICS,
BREEDING METHODS,
SPECIES,
ADAPTATION,
ENVIRONMENT,
PLANT DISEASES,
PEST INSECTS,
RESISTANCE TO INJURIOUS FACTORS,
PLANT PROTECTION,
ECONOMIC SITUATION,
FOREST PLANTATIONS,
YIELDS,
WOOD,
PRODUCTION DATA,
VOLUME,
MONDE,
SYLVICULTURE,
PRODUCTION FORESTIERE,
FORET,
UTILISATION,
REGIME SYLVICOLE,
ESPACEMENT,
ROTATION CULTURALE,
CROISSANCE,
GENETIQUE,
METHODE D'AMELIORATION GENETIQUE,
ESPECE,
ENVIRONNEMENT,
MALADIE DES PLANTES,
INSECTE NUISIBLE,
RESISTANCE AUX FACTEURS NUISIBLES,
PROTECTION DES PLANTES,
SITUATION ECONOMIQUE,
MUNDO,
SILVICULTURA,
PRODUCCION FORESTAL,
BOSQUES,
USOS,
SISTEMAS SILVICULTURALES,
ESPACIAMIENTO,
ROTACION DE CULTIVOS,
CRECIMIENTO,
GENETICA,
METODOS DE MEJORAMIENTO GENETICO,
ESPECIES,
ADAPTACION,
MEDIO AMBIENTE,
ENFERMEDADES DE LAS PLANTAS,
INSECTOS DANINOS,
RESISTENCIA A AGENTES DANINOS,
PROTECCION DE LAS PLANTAS,
SITUACION ECONOMICA, |