the layer in a soil profile below the B horizon and immediately above the bedrock, consisting chiefly of weathered, partially decomposed rock.
[ 1930-35 ]
the layer in a soil profile below the B horizon and immediately above the bedrock, consisting chiefly of weathered, partially decomposed rock.
[ 1930-35 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012