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This phenomenon may not occur in very sandy soils. because they lack clay content. Salt problems. When salts accumulate in soils, problems arise for. two main reasons: the soil becomes less permeable, and the salt damages or kills the plants.his phenomenon may not occur in very sandy soils. because they lack clay content. Salt problems. When salts accumulate in soils, problems arise for. two main reasons: the soil becomes less permeable, and the salt damages or kills the plants.
7.1 Salinization. A soil may be rich in salts because the parent rock from which it was formed contains salts. Sea water is another source of salts in low-lying areas along the coast. A very common source of salts in irrigated soils is the irrigation water itself. Most irrigation waters contain some salts.After irrigation, the water added to the soil is used by the crop or evaporates directly from the moist soil. The salt, however, is left behind in the soil. If not removed, it accumulates in the soil; this process is called salinization (see Fig.ost irrigation waters contain some salts. After irrigation, the water added to the soil is used by the crop or evaporates directly from the moist soil. The salt, however, is left behind in the soil. If not removed, it accumulates in the soil; this process is called salinization (see Fig.