17 Aggregate Stability and Size Dlstributlon' - USDA
this method and mechanized and modified a wet-sieving procedure. In Yoder's procedure, a nest of six sieves was placed in a holder and sus-pended in a container of water. Fifty grams of air-dry soil was placed on the top sieve of each nest, and the nest was lowered to the point where the soil sample on the top screen was just covered with water ...