Ch 5 Tree Nutrition And Fertilization

Question 1

___________ __________- The movement of particles, gases, and nutrients from the air to earth by settling (dry particles) or with precipitation (wet).

Answer 1

Atmospheric deposition

Question 2

______ ________ ________- Ability of a soil to absorb and hold cation. Affected by soil pH and partical size. A measure of soil fertility and clay composition.

Answer 2

Cation exchange capacity (CEC)

Question 3

________- Chemical compounds that keep plant nutrients—-usually iron (Fe)—-soluble and available for plant absorption over a broad range of pH.

Answer 3

Chelates

Question 4

_________- Whitish or yellowish leaf distortion caused by lack of chlorophyll. Often caused by nutrient deficiency.

Answer 4

Chlorosis

Question 5

________ __________- Fertilizer containing the 3 primary elements: nitrogen (N), phosphorus (P), and potassium (K).

Answer 5

Complete fertilizer

Question 6

__________-_______ ________- Fertilizer that releases nitrogen gradually into the soil.

Answer 6

Controlled-release nitrogen (CRN)

Question 7

_____________- Breakdown or separation of a substance into simpler substances.

Answer 7

Decomposition

Question 8

_____-____ _____________- Applying fertilizer by drilling holes in the soil within the root zone.

Answer 8

Drill-hole fertilization

Question 9

_________ ________- Minerals essential to the growth and development of trees.These minerals are essential because plants cannot complete their life cycle without them.

Answer 9

Essential elements

Question 10

__________ ________- Composition of a fertilizer expressed as a percentage by weight of total nitrogen (N), available phosphoric acid (P205), soluble potash (K20), and other nutrients.

Answer 10

Fertilizer analysis