Tonight. Module 1 exam Mineralogy Soil colloids. Sand. May be rounded or irregular Not sticky, even when wet Water holding capacity is low Quite inactive chemically. Silt. Irregularly fragmental Diverse in shape Seldom smooth or flat Really is microsand Has an adhering film of clay.
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%BS = 100 x sum of all the basic cations
sum of all the cations
%BS = 100 x 4.02/4.96 = 81.05%