No one invented compost. Composting took place even before humans were on earth. Composting is the proses of decaying material that means that man did not invent it because if a tree falls in the woods it will be decomposed in about 10 years with out mans help. No one invented composting, it happens naturally.
The first person who put any sort of organic matter in any sort of container.
A compost pile is compost in a pile or heap. a compost pit is compost in a pit or hole in the ground.
Compost.
To safely dispose of moldy food in compost, first remove the moldy parts and only add the unaffected portions to the compost bin. Make sure the compost pile is hot enough to kill any remaining mold spores. Avoid adding large amounts of moldy food at once to prevent overwhelming the compost with pathogens.
Cedar Grove offers several kinds of compost. They sell landscape mulch, organic compost, compost with manure and compost mixed with sand. One can order the compost online.
The first train was invented in 1814,and the first car was invented in 1672. So, the car was first invented.
No word is exactly opposite of "compost". Most object nouns have no opposite except for the combination of "not + (that object)". Not compost is opposite of compost.
The wright brothers invented the first airoplane
Who invented the first hygrometer?
Who invented the first stagecoach?
Where invented the first plane?
There is no need to mix old and new compost. Old compost ,if ready, should be used on its own. New material will take time to rot down to compost.