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fertility
tundra
They are rich in humus and are very fertile. They are also rich in potassium and highly suitable for agriculture.
peat soil is soil containing a large amount of peat, it is rich in humus and gives an acid reaction
It is called humus.
Humus can hold more water
fertility
tundra
it kills plants:(
fertility
It is rich in nutrients and acts like a fertilizer.
It has Rich Soil
you are likely to find dark, humus-rich soil in an A-horizon profile because that's where dark soil is found & the composition is the particles of weathered rock materials mixed with humus.
Growing rose requires a soil rich in organic matter. A humus-rich soil would be ideal for this purpose.
It is rich in mineral nutrients but lacking in organic matter - humus.
it is called loam and is very rich and very black
A Biome or Ecosystem.