Exam 3

Question 1

Least taken up nutrient?

Answer 1

Sulfur

Question 2

Most taken up nutrient?

Answer 2

Nitrogen

Question 3

List of nutrients in uptake order

Answer 3

1. Nitrogen
2. Potassium
3. Calcium
4. Phosphorus
5. Magnesium
6. Sulfur

Question 4

Nitrogen cycle?

Answer 4

Nitrogen fixation
Ammonification
Nitrification
Assimilation
Dentification

Question 5

What is dentification?

Answer 5

Nitrate to nitrite

Question 6

What is the optimal pH for phosphorus?

Answer 6

6 to 7

Question 7

What does bone meal supply?

Answer 7

Calcium; it does not impact pH

Question 8

What do chelates do?

Answer 8

Surrounds metal ions and increase plant nutrient uptake

Question 9

What gives magnesium?

Answer 9

Erosion

Question 10

Is niacin in soil?

Answer 10

No

Question 11

What micronutrient is NOT in acidic soils?

Answer 11

Molybdenum (Mo)

Question 12

Are micronutrients best for enzymes?

Answer 12

Yes

Question 13

What brings pH down?

Answer 13

Sulfur amendments

Question 14

What fertilizer is 46% nitrogen?

Answer 14

Urea

Question 15

What fertilizer is 88% nitrogen?

Answer 15

Anhydrous Ammonia

Question 16

What brings up micronutrient activity?

Answer 16

Chelating agents

Question 17

What is the “quality nutrient”?

Answer 17

Potassium