Which of the following is not a method of aerobic manure:

Aerobic manure is composed of fertilization, which is done by the use of bacteria, which we get from an environment rich in air, aerobic fertilizer is called the quickest procedure of fertilizers, but it needs a lot of workers and time because this organic material has to be executed from time to time. There are four classifications of aerobic composting Aerated static pile, in-vessel, aerated turned windrow, and vermicomposting.