Everyone who is directly or indirectly familiar with environmental science knows the concept of “fertility”. What is a productive land, gardeners and gardeners know firsthand. First of all, it is the ability of the soil to satisfy the needs of vegetation for moisture and nutrients.
What does fertility depend on?
This factor is determined by the intensity of solar lighting and thermal energy. Both direct and indirect conditions affect fertility. What is the influence of factors? Direct conditions are the conditions under which water supplies, environmental reactions, the amount and form of essential trace elements contribute to the accumulation of nutrients. What is soil fertility resulting from indirect conditions? This is the condition of the soil, which was affected by the quantitative effect of microorganisms, as well as fertilizer treatment. Direct and indirect conditions have a close relationship, having a direct impact on productivity.
It must be remembered that any factor individually can directly affect fertility. What is drought, many know. This is an example of how only one condition - lack of water - has a direct effect on the crop, slowing down the growth of plants or even destroying them. There is also the optimal effect of plant life factor. In this case, there is good growth and yield. In the event of excessive exposure, such as prolonged rainfall or excessive soil fertilization, toxicosis occurs, resulting in a significantly reduced yield.
The influence of climatic zones
Nevertheless, in most cases, the factors determining the state of the soil are involved in the aggregate, ensuring optimal fertility. What is the soil-climatic conditions, almost everyone knows. They determine fertility. For example, in the tundra zone, low temperature and soil waterlogging dominate, as a result of which limiting conditions are created. The forest zone is characterized by insufficient moisture and soil acidity. The latter is due to the excess content of a substance such as sodium chlorine. Sandy soils are characterized by a lack of moisture and nutrients, and heavy clay soils are characterized by low aeration and high soil density.
Thus, fertility is influenced by various conditions associated with soil-forming factors.
Kinds
What is fertility? The definition of this concept implies the properties of the soil, which were formed under the influence of the natural course of soil-forming processes. They are unstable over time, but are a determining condition for the formation of the type of soil. Such types of soil fertility are distinguished as natural, potential, artificial, effective, effective.
The existence of such a phenomenon as potential fertility also follows. What is the gross supply of nutrients in the soil? This is an accumulation of nutrients that are not only in an accessible, but also in an inaccessible form. They form the potential of valuable elements for the existence of plants. In this regard, the more fully the soil reserves are used, the higher will be its fertility.