Basic Soil Information and What I Use as a Mix
Soil management is a deep science, but you don’t need a doctorate to understand the basics that matter in the garden. So, what exactly is soil? In short, it’s a complex mixture of minerals, organic materials, air, and water. When these components are present in the right proportions, they create a living, dynamic environment that properly supports plant life. A “healthy, loamy” soil is typically considered to be a balanced mix of 45% minerals, 5% organic matter, 25% water, and 25% air. This balance creates a soil that drains well yet holds enough moisture and nutrients for roots to thrive. Plants rely on a predictable supply of nutrients, and gardeners usually group these into two categories: primary and secondary. The primary nutrients are nitrogen (N), phosphorus (P), and potassium (K). The secondary nutrients are calcium (Ca), magnesium (Mg), and sulfur (S). There are also many micronutrients—such as iron, manganese, and boron—but we usually don’t deal with those directly. While tha...
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