Soil Fertility

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Photo Gallery: Nutrient Deficiencies

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K-deficiency - corn	K-deficiency - corn
Close-up K-deficiency - corn	Close-up K-deficiency - corn
Nitrogen deficiency symptoms - corn	Zinc deficiency symptom - corn
Zinc deficiency - corn	Phosphorus deficiency symptom - corn
Iron deficiency - soybean	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
Iron chlorosis symptom - soybean	Iron chlorosis symptom on leaflet - soybean
Iron chlorosis symptom on upper leaves - soybean	Iron chlorosis field area - soybean
Iron chlorosis following calcareous soil surrounding low field area - soybean	Comparison of alfalfa growth with and without sulfur application
Comparison of corn with and without sulfur application	Comparison of small corn plant with and without sulfur application
Late-season comparison of corn with and without sulfur application	Phosphorus deficiency symptom - corn