afforestation obnova lesných porastov 6 [vynechat] forest cultivation 3 [vynechat] forests 3 [vynechat] lesné hospodárstvo 3 [vynechat] pestovanie lesa 3 [vynechat] forest management 2 [vynechat] lesy 2 [vynechat] damage to forests 1 [vynechat] dejiny lesníctva 1 [vynechat] ekológia lesa 1 [vynechat] forest animals 1 [vynechat] forest conservation 1 [vynechat] forest ecology 1 [vynechat] forest ecosystems 1 [vynechat] forest nurseries 1 [vynechat] forest stands 1 [vynechat] foresters 1 [vynechat] forestry 1 [vynechat] history of forestry 1 [vynechat] lesné ekosystémy 1 [vynechat] lesné porasty 1 [vynechat] lesné škôlky 1 [vynechat] lesné živočíchy 1 [vynechat] lesníci 1 [vynechat] ochrana lesa 1 [vynechat] poškodenie lesa 1 [vynechat] seed growing 1 [vynechat] semenárstvo 1 [vynechat] stromy 1 [vynechat]