Catching nutrient deficiencies helps you avoid stunted growth and off-color leaves
Length: 03:34

Depending on your soil's native fertility, your plants may perform for years without needing additional fertilizer. But sooner or later, they'll show their unhappiness by displaying stunted growth and/or off-color leaves. In this video, soil scientest Lee Reich covers the basics of soil testing and demonstrates how to take an accurate sample from your garden.