Seed-crop cycles in beech stands [Fagus]

arbre arbre forestier arbre pour bois de construction crops cultivos dicotiledoneas dicotyledons economic plants fagaceae fagales fagus forest trees hedging plants ornamental plants ornamental trees plantas plantas ornamentales plantas para cercas vivas plante plante de culture plante de haie plante ornementale plante pour construction plants production propagation materials seed semence semillas structural crops timber trees trees