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Soil Fertility Iowa State University
Photo Gallery
- Potassium
Early season potassium deficiency symptom (K deficient soil) - soybean
Early season potassium deficiency symptom (K deficient soil) - soybean
Persistent potassium deficiency symptom (K deficient soil) - soybean
K-deficiency
K-deficiency
Close-up K-deficiency
Close-up K-deficiency