Soil erosion is widely known for degrading land and reducing agricultural productivity. But new research shows it may also ...
Many farming systems still depend on high levels of synthetic fertilizers and pesticides to maintain yields. This dependence can create trade-offs: nutrient ...
Marion Calmer says nutrient stratification in soil is a significant problem on his western Illinois farm — and it’s only getting worse. “I’ve been putting P (phosphorus) and K (potassium) on top of ...