QUIZ – Nutrient deficiency

Nutrient deficiency is showing up in some fields this week. This photo quiz is based on field observations. Can you identify the symptoms?

1. Smaller, pale flowers (left) are an indicator of what nutrient deficiency?

sulphur deficiency (flower on the left)
2. These plants are from an in-field experiment on fertilizer rates. The plants on the left did not get the treatment. What is the deficiency?

Nitrogen deficiency (plants on the left)
3. This is a classic example of what nutrient deficiency?

Calcium deficiency

 

Diagnosing nutrient deficiency can be a challenge. Many symptoms seem to overlap. Soil tests and tissue tests from healthy areas versus problem areas can provide clues. In some cases the problem can be related more to environment or other pests, not a shortage of nutrients in the soil. Read Accurate diagnosis for effective treatment.