= Soil Dryness Index
{wiki=Soil_Dryness_Index}
The Soil Dryness Index (SDI) is a quantitative measure used to assess soil moisture levels and dryness conditions in a particular area. It provides an indication of how much moisture is present in the soil and is often utilized in agricultural, environmental, and hydrological studies to monitor soil health, drought conditions, and irrigation needs. The index typically incorporates various factors like: 1. **Soil Texture**: Different soil types (sand, silt, clay) retain moisture differently.
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