Ask Tom: Metals in Granulated Poultry Litter

Ask Tom: Metals in Granulated Poultry Litter

Dear Tom – We use a granulated poultry litter product that is OMRI (Organic Materials Review Institute) listed for organic production. I read that those products may have high levels of metals that can accumulate over time and damage our soil. Should we be concerned?...
Ask Tom: Late Blight on Tomatoes

Ask Tom: Late Blight on Tomatoes

Dear Tom – How do you still have tomatoes in the fall? My plants went down with late blight. — Frustrated Frustrated – For years the only reliable organic solution to late blight (Phytophthora infestans) was spraying copper and growing in a greenhouse or...
Basic Plant Nutrition

Basic Plant Nutrition

in addition to non-mineral nutrients from the sun and water, plants also need a buffet of essential mineral nutrients in order to thrive. Mineral nutrients are found in the soil, and can be added via numerous amendments and fertilizers.