Soil Layers in Cross Section for Earth Study
Palabras clave
dirtied,
layer,
earth,
geology,
dirt,
ground,
nature,
brown,
black,
texture,
rock,
sediment,
agriculture,
farming,
environment,
science,
profile,
structure,
organic,
ecological,
analysis,
material,
formation,
composition,
landscape,
field,
mineral,
nutrient,
ecology,
water,
land,
ground cover,
root,
cultivation,
biodiversity,
habitat,
ecosystem,
erosion,
vegetation,
stratification,
chemistry,
biology