Fáddáevttohusat
- History 7 bohtosa
- Soil science 7 bohtosa
- Soils 6 bohtosa
- Soil conservation 4 bohtosa
- Agriculture 3 bohtosa
- Conservation of natural resources 3 bohtosa
- Forests and forestry 3 bohtosa
- Classification 2 bohtosa
- Ecology 2 bohtosa
- Environmental policy 2 bohtosa
- Landscape architecture 2 bohtosa
- Management 2 bohtosa
- Soil formation 2 bohtosa
- Soil geography 2 bohtosa
- Soil surveys 2 bohtosa
- Afforestation 1 bohtosa
- Agricultural implements 1 bohtosa
- Agricultural machinery 1 bohtosa
- Arid regions agriculture 1 bohtosa
- Baleines 1 bohtosa
- Chasse 1 bohtosa
- Chasseurs de baleines 1 bohtosa
- Clearcutting 1 bohtosa
- Congresses 1 bohtosa
- Continental margins 1 bohtosa
- Control 1 bohtosa
- Crops and climate 1 bohtosa
- Crops and soils 1 bohtosa
- Deforestation 1 bohtosa
- Desertification 1 bohtosa
- Economic aspects 1 bohtosa
- Effect of human beings on 1 bohtosa
- Effect of solar radiation on 1 bohtosa
- Farm buildings 1 bohtosa
- Forest ecology 1 bohtosa
- Forest influences 1 bohtosa
- Forest meteorology 1 bohtosa
- Fountains 1 bohtosa
- Government policy 1 bohtosa
- Growth 1 bohtosa
- Guidebooks 1 bohtosa
- Histoire 1 bohtosa
- Hunting 1 bohtosa
- Hydraulic engineering 1 bohtosa
- Irrigation 1 bohtosa
- Marine sediments 1 bohtosa
- Measurement 1 bohtosa
- Meteorology, Agricultural 1 bohtosa
- Microclimatology 1 bohtosa
- National parks and reserves 1 bohtosa more…