Don't be alarmed! Mycorrhizal fungi are key players in your garden's ecosystem.
Unlike the chemical kind, organic fertilizers feed soil organisms in addition to your plants, helping to build healthy soil—not destroy it.
Learn how to get started with your own crop rotation plan.
Why Soil pH Matters
For a healthy, well-fed garden, start with a soil test.
Double-digging is hard work. Is the payoff worth it?
Make sure you get the information you need to build healthy, organic soil.
How to build the nitrogen content of your soil in a safe, organic way,
Learn to recognize the symptoms and understand the causes, then you can prevent them from ruining your garden.
Our guide to common nutrient deficiencies -- and how to fix the problem organically.