Table 3.

Soil classification and its relation to climate, vegetation and human activities developed on them

Soil	Climate	Vegetation	Crop	Another activities
Yü nagat (black soil, humus)	Izyo nal (template)	wán len yer (Pine forest), Wán len yer-yuo (Pine-oak forest), Wán len yuo(Oak forest)	Maize with squash and beans	Forest wood
Yü ngüin (clayish soil)		wán (Cloud mountain forest, evergreen forest y subdeciduous forest)	Coffee	Coffee system
Yü yuxhs (Sandy soil with small rocks), Yu nequis (White soil)	Izyo nase (template/ tropical, humid)	wán (Cloud mountain forest, and subdeciduous forest)	Coffee, maize with squash and beans
Yü nequis (White soil), Queda (rocky soil, without plant cover)	Izyo bixhs (hot, dry)	wán (deciduous dry forest)	Maize in association with Jamaica roselle, and Sollamiche palms	Livestock