Study Regarding the Characterization of Soil Resources in Petresti Locality, Damboviţa County

From the moment man intervened in nature, especially by cultivating the land, his soil and fertility bear the strong imprint of anthropogenic influence. The longer a soil has been subjected to agrotechnical, agrochemical, ameliorating works, the greater the changes, the soil and its fertility becoming the product not only of natural factors but also of human action. It follows, therefore, that fertility is not only a natural feature of the soil, but is closely linked to all other conditions of the environment, as well as to human action, to the stage of development of science and technology, to social relations. It is common for the fertility of the soil in natural or unmodified conditions to be called natural fertility and in the case of human intervention the notions of artificial fertility or cultural fertility or technogenic fertility or real fertility or effective fertility are used. Soil as a means of production in agriculture has certain peculiarities that distinguish it from other means of production. Thus, the soil is a natural means of production that is formed and evolves on the surface of the land, over time, under the influence of environmental conditions. Unlike other means of production, which can be multiplied, the soil cover of the globe, of a country, of an area, etc., is quantitatively limited by the respective geographical space; therefore, obtaining the necessary productions in increasing quantities cannot be done only through an extensive agriculture (increasing the agricultural areas), but, above all, intensive (increasing the production per unit area). Also, unlike other means of production that are worn out by use, the soil, if used rationally, not only does not reduce its production capacity (fertility) but, on the contrary, can increase it.