If the poet dies in war and is buried overseas, then the farmland of a foreign country (that rich earth) will be enriched by his decomposing body (richer dust concealed). He imagines that his foreign burial will not only add substance to the soil, but something metaphysical too, his soul perhaps. Note the echo from the English burial (and Ash Wednesday liturgy): "Dust thou art and to dust thou shalt return."
Concealed
what does it mean Alexander died, Alexander was buried, Alexander returneth to dust, the dust the earth, of earth we make loam, and why of that loam whereto he was
Richer
Hidden, disguised, covered are three words that can all mean the same as concealed.
help sir
Carry how? If you mean carry concealed, you need a Concealed Weapons license, or be a law enforcement officer.
You probably mean "enrich", to make rich or richer.
It has something to do with carrying an illegal concealed firearm. Most concealed gun laws I've found have a -050 ending.
Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust., A single particle of earth or other matter., The earth, as the resting place of the dead., The earthy remains of bodies once alive; the remains of the human body., Figuratively, a worthless thing., Figuratively, a low or mean condition., Gold dust, Coined money; cash., To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor., To sprinkle with dust., To reduce to a fine powder; to levigate.
Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust., A single particle of earth or other matter., The earth, as the resting place of the dead., The earthy remains of bodies once alive; the remains of the human body., Figuratively, a worthless thing., Figuratively, a low or mean condition., Gold dust, Coined money; cash., To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor., To sprinkle with dust., To reduce to a fine powder; to levigate.
Fine, dry particles of earth or other matter, so comminuted that they may be raised and wafted by the wind; that which is crumbled too minute portions; fine powder; as, clouds of dust; bone dust., A single particle of earth or other matter., The earth, as the resting place of the dead., The earthy remains of bodies once alive; the remains of the human body., Figuratively, a worthless thing., Figuratively, a low or mean condition., Gold dust, Coined money; cash., To free from dust; to brush, wipe, or sweep away dust from; as, to dust a table or a floor., To sprinkle with dust., To reduce to a fine powder; to levigate.
It means buried. If something is hidden under the earth then it is underground.