The agricultural soil must be a fertile soil, with a high content of organic matter. Although during the crop fertiliser applications can be made according to their needs; the soil has to act as a reservoir of the nutrients that will be absorbed by the plant in higher or less amounts according to its importance for the development of the plant metabolism.
Other parameters that must be checked to classify a soil to be suitable for agriculture are pH, texture and electrical conductivity. The properties of the soil wear out over time and their characteristics diminish due to the intensive use of crops without the contribution of organic matter.
There are different JISA products that help the farmer to improve the conditions of their soil and can be grouped as follows: