How do we keep the soil healthy?
By focussing on sufficient soil life and organic matter in the soil. When we manage this the soil will keep a loose and airy structure, maintain sufficient organic matter and remain fertile.
If organic material and organic matter remain at the same level. It cannot be measured in number, because there are many different types of soil, but a soil must receive organic material, organic matter and trace elements in order for soil life to persist.
The crops and plants that grow on a soil need nutrients from the soil in order to grow. To prevent one-way traffic it is important to supply the soil of organic matter and nutrients regularly with organic fertilizers. There are different types of soil nutrition.