PRODUCTS
Organic Soil Amenders, Inc provides our products to the Pacific Northwest, including Washington, Oregon, Idaho, Montana and Canada.
Gypsum/Calcium Sulfate
Agricultural Gypsum is one of those rare materials that performs in all three categories-as an amendment, a conditioner, and a fertilizer.
Other Products
High Calcium Limestone
Calcium performs many required functions in the growth of plants and the production of fruit, seeds, pollen and more. It’s a key nutrient for soil quality, plant health and resistance to disease and pests…continue reading.
Boron
Known as “The Calcium Helper”, boron is absolutely essential for plants to metabolize calcium.…continue reading.
Compost & Manures
Long employed by home gardeners, humus, in the form of compost and manure, has shown its worth building soil health and benefiting plants…continue reading.
Humate
Humates are large complex molecules made up mostly of stable carbon.…continue reading.
Soft Rock Phosphate
Phosphorus supplies the energy for plants. It’s critical in the photosynthesis process where light is converted to chemical energy inside the plant.…continue reading.