Air and compost

Posted Under (Material, Nature)

, , , , , , , , , , , , , , ,

Composting is an aerobic process, which is a fancy way of saying it needs air. What’s more, air is probably even more important than food the average compost pile runs out of air long before it runs out of food.

If there isn’t enough air, decomposition becomes anaerobic, which is bad news for two reasons. First, it’s much slower than aerobic composting, and second, some of the products, such as ammonia and hydrogen sulfide, don’t smell very nice.
Read the rest of this entry »

Compost, what is it?

Posted Under (Material, Nature)

, , , , , , , , , , , , ,

Compost are coming from organic decomposing process. These organic are coming from living things, or at least used to be. It comes from dead animal and plants. The body of an adult human, if exposed to the elements, is reduced to a mere skeleton in about three weeks. The bones last longer, but not a great deal.

Humus is a mixture of the highly altered remains of the original organic matter whether from plants or animals that arrives at the soil surface, as well as new compounds made by bacteria and fungi. But only a small fraction of the original material is destined to become humus. Most simply disappears, turned back into the carbon dioxide (CO2), water, and mineral salts from which it was first made.
Read the rest of this entry »