Аннотация
There are as many living beings in a small handful of earth as there are people on the globe.Fungi and algae, bacteria and larger soil organisms such as mites, beetles, earthworms work together to get food for plants.In order to perform their activities, soil organisms must be fed.Their food is plant residues, as well as organic and green fertilizers."But, if the vegetation is homogeneous, for example, wheat, rice or any other field, then in a handful of such land the population decreases.