The ustic moisture regime is intermediate between the aridic regime and the udic regime.
2.
It is one of a range of different soil moisture regimes, such as : aquic moisture regime, aridic moisture regime, udic moisture regime and xeric moisture regime.
3.
The moisture control section in the aridic moisture regime is dry when the temperature of soil, at a depth of 50 cm from the soil surface, is above 5 �C for more than half of the cumulative days per year and moist when it s above 8 �C for less than 90 consecutive days . Soils that have an aridic moisture regime normally occur in an arid or a semi-arid climate.
4.
The moisture control section in the aridic moisture regime is dry when the temperature of soil, at a depth of 50 cm from the soil surface, is above 5 �C for more than half of the cumulative days per year and moist when it s above 8 �C for less than 90 consecutive days . Soils that have an aridic moisture regime normally occur in an arid or a semi-arid climate.
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