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Bulletin of Abai KazNPU. Series of Natural-geographical sciences

THE INFLUENCE OF SOIL SALINIZATION ON THE DEVELOPMENT OF AGRICULTURAL CROPS

Published December 2025

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Abstract

This article examines in detail the impact of soil salinization on the growth and development of
crops. Currently, soil salinization is a widespread ecological and agronomic problem at the global
level. Especially in regions where irrigated agriculture is developed, the phenomenon of salinization
reduces soil fertility and negatively affects the efficiency of agricultural production.
Salinization is an excessive accumulation of water-soluble salts in the soil, which leads to a
slowdown in plant growth and a sharp decrease in yields. For example, it shows how major crops
such as wheat, corn, rice, soybeans, and millet are salt-resistant and what changes they undergo
when salted. It also explains how salinity affects plants' ability to absorb water, photosynthesis, ion
balance, and root system development. Agrotechnical, hydro-reclamation and biological methods of
combating soil salinization are also considered. Effective measures such as crop rotation, the
introduction of salt-tolerant crop varieties, the use of washing waters and the application of organic
fertilizers are proposed.
First, the main causes and types of soil salinization were analyzed, and it was shown that it is
formed by natural and anthropogenic factors. It is especially emphasized that improper operation of
irrigation systems and non-compliance with agrotechnical requirements accelerate the salinization
process. The further influence of salinity on the physiological and morphological development of
various crops is analyzed on the basis of tabular data.
In general, the article is intended for agricultural specialists, scientists and researchers in the
field of ecology. It aims to understand the effects of soil salinization and provide ways to prevent
and effectively manage it. The author emphasizes the importance of this problem and proves that
integrated approaches are needed for the future sustainability of agriculture.

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