Аңдатпа
This article addresses the deterioration of reclamation conditions and the decline in soil fertility in the middle and lower reaches of the Syr Darya River Basin, where the major irrigated agricultural lands of Kazakhstan are located. The paper presents the results of comprehensive studies conducted during 2023–2025 and summarizes seasonal changes in the chemical indicators of water resources within the Syr Darya River Basin, as well as assesses the impact of water quality on the reclamation sta