Abstract
In the humus horizons, the productive moisture reserves in the chernozem in the middle of the slope did not differ much from the moisture reserves at its top. At the same time, in the transition layer of the SUN in the second half of summer, they were significantly higher. This difference also occurred in the soilforming rock. In the lower part of the slope, the meter-long layer of the soil layer contained a greater amount of moisture, which helped to reduce its deficit during the entire growing season. This was especially noticeable in the illuvial horizon and the soil-forming rock. In the second half of the growing season, the ELVs here remained higher than on the upper elements of the slope. In conclusion, it should be noted that only humus-accumulative horizons of Ap+AB needed irrigation with different irrigation norms, depending on the location of sea buckthorn plantations on the slope and the characteristics of their vegetation.
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