The disclosed invention relates to soil and water treatment compounds, specifically to an acidifying composition used to treat soil or irrigation water used for growing plants. Disclosed is an acidifying composition that includes an organic acid. The acidifying composition is used to control and manage conditions in irrigation water and soil to prevent sodic deterioration of soil structure. Treatment of soil and/or irrigation water with the disclosed acidifying composition leads to improved soil quality and improved quality of plants grown in the soil treated with the acidifying composition.