The effect of using of organic and mineral origin raw materials in agriculture on soil fertility

V.I. Jafarov

doi:10.32347/2411-4049.2023.4.74-80

Authors

V.I. Jafarov Ministry of Science and Education Republic of Azerbaijan Institute of Soil Science and Agrochemistry, Baku, Azerbaijan

DOI:

https://doi.org/10.32347/2411-4049.2023.4.74-80

Keywords:

soil, cotton, organic-mineral complex, fertilizer, fertility

Abstract

The presented work relates to ecology, chemical technology, in particular, methods for the production of fertilizers from sewage sludge and agriculture.
The scale of production activity increases with population growth, so the problem of optimizing the interaction between man and nature is relevant and its solution is of great importance in improving the environment. Wastewater is one of the by-products of anthropogenic activities. When it is cleaned, a precipitate (sludge) is formed. The volume and the toxicity of sludge are, of course, increasing due to urban growth and the intensification of industrial production. About 25-30 kg of dry sediment is formed per person per year in European countries.
There is no single rational and environmentally safe, currently tested technology for sludge disposal in our republic, and its appearance is unlikely to be created shortly since the sediments of different treatment facilities have different physicochemical and biological properties, as well as entirely different qualitative and quantitative compositions of elements.
Purifying and disposing of such waste (sludge) is a serious environmental problem. The main principles of its solution are a set of environmental and economic interests of society, environmentally safe disposal and use of sludge, and their involvement in the economic cycle. The problem of using waste for fertilizer has various aspects and it is inseparable from the problem of soil fertility and ecology.
The exceptional importance of organic matter in increasing soil fertility has long been known. In this regard, application of organic-mineral complexes that affect the productivity and quality of plants, determination of effective fertilizer norms and application of new technologies are an urgent issue and are of great theoretical and practical importance.
The fertility of the soil is very dependent on the intensity of the biological processes taking place in it. Sufficient moisture, organic matter and a favorable reaction of the soil solution are required for the activity of microorganisms in the soil.
He worked on the technology of organic-mineral complex preparation and applied it under agricultural plants (cotton) in order to achieve the set goal in the direction of solving this issue.

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