Soils have a natural characteristic called the cation exchange capacity (CEC) that allows them to hold (and exchange) cations (e.g., Ca+2 or Na+). These cations are held tight enough on the CEC that ...
Scientists classify soil based on factors such as mineral content, texture, drainage capacity, and fertility. Globally, the 7 most common types of soil form the basis of farming and ecosystem balance: ...
At head of title: V. V. Dokuchaev Soil Science Institute GENESIS AND CLASSIFICATION OF SEMIDESERT SOILS E I IE N IVANOVA EDITOR TRANSLATED FROM RUSSIAN BY A GOUREVITCH EDITED BY Y HAVER ...
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