Symbio, D-51109 Koeln/ Germany  Bruecker Mauspfad 207                   tel: + 49/ 221/ 897556                     mail: h.boeckem@gmx.de
Problems
•Cultivation of plants and forestation on critical or extreme locations is most difficult (and sometimes impossible) with conventional methods :
–sterile, sour, poor or dry soils, heavy-metal-containing, toxic and contaminated soils,
–re-cultivation areas, sanitary landfills, highway embankments, salinated areas,
–maccia, steppes, deserts, mountains, slopes, erosion areas