choroby rastlín 14 [vynechat] dejiny 14 [vynechat] plant diseases 14 [vynechat] škodcovia rastlín 14 [vynechat] pests of plants 13 [vynechat] ochrana rastlín 10 [vynechat] plant conservation 9 [vynechat] history 8 [vynechat] pests of wood 8 [vynechat] staré tlače 8 [vynechat] škodcovia dreva 8 [vynechat] ekológia 6 [vynechat] old prints 6 [vynechat] environmentalistika 5 [vynechat] field crops 4 [vynechat] forest stands 4 [vynechat] hmyz 4 [vynechat] horticultural crops 4 [vynechat] insects 4 [vynechat] lesné ekosystémy 4 [vynechat] lesné porasty 4 [vynechat] ochrana lesa 4 [vynechat] poľné plodiny 4 [vynechat] záhradné plodiny 4 [vynechat] ekosystémy 3 [vynechat] forest ecosystems 3 [vynechat] hudobný život 3 [vynechat] knižničné katalógy 3 [vynechat] kultúrne dejiny 3 [vynechat] lesníctvo 3 [vynechat]