Main:0811.05.5 "Soil construction" 0811.05.01.5 "Soil construction technician"
Newer 0811.06.5 "Protected soil biotechnology" 0811.06.01.5 "Technician-agronomist"
Older 0811.04.5 "Land improvement, use and conservation of soil and water resources" 0811.04.01.5 "Technician for land improvement, conservation of soil and water resources"