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 ...

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I often mention my veg patch’s clay soil in this column, and that’s because soil type affects what we grow and how. Getting to know your soil is an essential part of becoming a great grower of edible ...