LESSON 5 - FERTILIZATION MANAGEMENT

Question 1

1) Ni__ 2) Ph__ 3) Po__ 4) Ca__ 5) Ma__ 6) Su__

What are the 6 Macronutrients?

Answer 1

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

Question 2

1) Bo__ 2) Co__ 3) Ir__ 4) Ma__ 5) Mo__ 6) Zi__ 7) Ch__

What are the 7 Micronutrients?

Answer 2

1) Boron
2) Copper
3) Iron
4) Manganese
5) Molybdenum
6) Zinc
7) Chlorine

Question 3

1) Ni__ 2) Ph__ 3) Po__

What are the 3 Primary Nutrients?

Answer 3

1) Nitrogen
2) Phosphorus
3) Potassium

Question 4

1) Ca__ 2) Ma__ 3) Su__

What are the 3 Secondary Macronutrients?

Answer 4

1) Calcium
2) Magnesium
3) Sulfur

Question 5

Nitrogen produces dark 1)__ vegetative growth plus it increases the yield of foliage, 2)__, and seed.

Answer 5

1) Green
2) Fruit

Question 6

Nitrogen Deficiencies: 1)__ leaves show symptoms first – Color turns light green or 2)__.

Answer 6

1) Oldest
2) Yellow

Question 7

1) En__ 2) In__

EXCESS NITROGEN: Leads to decreased tolerance to 1)__ stresses and increased susceptibility to 2)__ and diseases

Answer 7

1) Environmental
2) Insects

Question 8

1) Ro__ 2) Bl__

Phosphorus is important in stimulating early 1)__ growth and stimulates 2)__ and vigor.

Answer 8

1) Root
2) Blooming

Question 9

Phosphorus Deficiency is very __ in Florida

Answer 9

Rare

Question 10

Phosphorus deficiency symptoms include stunted growth, decrease yield (all-around), 1)__ leaf color, and 2)__ spotting.

Answer 10

1) Purple Leaves
2) Reddish Spotting

Question 11

1) Re__ 2) Co__ 3) Fr__

Potassium regulates many physiological processes. Potassium increases disease 1)__, 2)__ hardiness, 3)__ quality, and plant vigor.

Answer 11

1) Resistance
2) Cold
3) Fruit

Question 12

1) Sc__ 2) Ou__ 3) Ye__

Potassium Deficiency symptoms include 1)___ or burning/dead tissue of the 2)__ edges or leaf tips and 3)__ between leaf veins.

Answer 12

1) Scorching
2) Outer
3) Yellowing

Question 13

Ch__

Magnesium is another component of __.

Answer 13

Chlorophyll

Question 14

Magnesium Deficiency includes yellowing between 1)__ and on the margins of leaves in a 2)_ -Shape

Answer 14

1) Viens
2) V-Shape

Question 15

Pr__

Sulfur is an essential component of several plants __.

Answer 15

Proteins

Question 16

Symptoms of Sulfur Deficiency are chlorosis of 1)__ leaves AND light 2)__ tissue appearing between darker green veins.

Answer 16

1) Younger
2) Green

Question 17

Micronutrients principally function as __ triggering a diverse range of life-sustaining processes.

Answer 17

Enzymes

Question 18

Alkaline or Acidic?

Iron is not readily available in __ soils?

Answer 18

Alkaline

Question 19

Iron Deficiency shows in plants as chlorosis between the 1)__ on 2)__ leaves.

Younger leaves may turn almost 3)__ in color.

Answer 19

1) Veins
2) New
3) White

Question 20

Alkaline or Acidic?

Maganese is not available in __ soils.

Answer 20

Alkaline

Question 21

1) Be__ 2) Sp__ 3) Sm__

Manganese deficiency has symptoms of chlorosis 1)__ the veins PLUS 2)__ of yellow/dead tissue.

Newly developed leaves will be 3)__ in size.

Answer 21

1) Between
2) Spots
3) Small

Question 22

1) Pl__ 2) Animal Pr__

Natural Organic fertilizers are derived from either 1)__ or animal 2)__.

Answer 22

1) Plant
2) Animal Products

Question 23

Mi__

Inorganic Fertilizers contain nutrient compounds derived from __ salts.

Answer 23

Mineral

Question 24

1) Gr__ 2) Mi__ 3) Co__

Fertilizer 1)__ or analysis of fertilizer is 3 numbers representing guaranteed 2)__ 3)__ of Nitrogen, Phosphorus, and Potassium

Answer 24

1) Grade
2) Minimum
3) Concentrations

Question 25

**Complete Fertilizers** contain some amount of __ 3 primary nutrients.

Answer 25

ALL

Question 26

**Incomplete Fertilizers** is __ any 1 of 3 of the major components. ## Footnote **\*Nitrogen, Phosphorus, Potassium\***

Answer 26

MISSING

Question 27

Fertilizer Ratio is the __ of the percentages of **Nitrogen, Phosphorus, and Potassium (NPK)**

Answer 27

Proportion

Question 28

When the **term "organic"** is used on a fertilizer -- the **water-insoluble nitrogen** must not be less than \_\_% of the total guaranteed nitrogen

Answer 28

60%

Question 29

# 1) Ni\_\_ Ni\_\_ 2) Am\_\_ Ni\_\_ 3) Wa\_\_ So\_\_ Ni\_\_ 4) Ur\_\_ Ni\_\_ 5) Wa\_\_ In\_\_ Ni\_\_ List **ALL of the total nitrogens** from **Fastest to Slowest** to be used. (5)

Answer 29

1) Nitrate Nitrogen 2) Ammoniacal Nitrogen 3) Water Soluble Nitrogen 4) Urea Nitrogen 5) Water Insoluble Nitrogen

Question 30

**Quick-Release Fertilizers** are water-\_\_ chemicals that release their nutrients rapidly.

Answer 30

Water-Soluble

Question 31

**Quick-Release Fertilizers** have a tendency to __ plants when released too rapidly.

Answer 31

Burn

Question 32

**Slow Release Fertilizers** are called Water-\_\_ types.

Answer 32

Water-Insoluble

Question 33

# 1) Mo\_\_ 2) Te\_\_ **SLOW-RELEASE FERTILIZERS** breakdown depends on soil 1)\_\_ and 2)\_\_

Answer 33

1) Moisture 2) Temperature

Question 34

**Organic Forms of Slow-Release Fertilizers** must be broken down by __ activity.

Answer 34

Microbial

Question 35

# 1) Mo\_\_ 2) Te\_\_ **Slow-Release Fertilizers** are released very quickly when excessive 1)\_\_ and high 2)\_\_.

Answer 35

1) Moisture 2) Temperatures

Question 36

**Controlled-Release Fertilizers** release rate is designed in a pattern synchronized **to meet changing crop** __ requirements ranging from 8 to 52 Weeks.

Answer 36

Nutrient

Question 37

**The best way to compare fertilizer cos**t is on the basis of cost per __ of Nitrogen

Answer 37

Cost per Pound of Nitrogen

Question 38

The **4 R's of Fertilizer Use**: Right: 1) Nu\_\_ 2) Ra\_\_ 3) Ti\_\_ 4) Pl\_\_

Answer 38

1) Nutrient 2) Rate 3) Time 4) Place

Question 39

**Fertilizer** should be applied to the **soil or mulch surface** within the plants __ zone for maximum absorption

Answer 39

Root

Question 40

**Fertilizer** should be **applied around a tree** NOT to exceed **1.5-2 times** the __ diameter.

Answer 40

Canopy

Question 41

\_\_ is the application of **liquid fertilizer** through an **irrigation system**.

Answer 41

Fertigation

Question 42

**Turfgrass** requires **higher rates and more frequent applications** of __ fertilizers.

Answer 42

Nitrogen Fertilizers

Question 43

# 1) So\_\_ 2) Sl\_\_-\_\_ A mixture of 1)\_\_ and 2)\_\_-release nitrogen is **recommended for turfgrass** to reduce the potential for leaching losses.

Answer 43

1) Soluble 2) Slow-Release

Question 44

Nitrogen - cannot be applied at a rate **greater than 0.\_ lbs of readily available nitrogen per 1,000 Square Feet**

Answer 44

Greater than **0.7 lbs of readily available nitrogen per 1,000 Square Feet**

Question 45

No more than **\_\_ lbs of total nitrogen per 1,000 square feet per application during spring or summer.**

Answer 45

2 lbs of total nitrogen per 1000 square feet per application

Question 46

Not more than **\_\_lb of Total Nitrogen per 1000 square feet may be applied during fall or winter**.

Answer 46

1 lb of Total Nitrogen per 1000 square feet

Question 47

**No Phosphate Fertilizer** means phosphate levels are **below** __ % -- **Low Phosphate Fertilizer** means levels is **above** \_\_%

Answer 47

0.5%

Question 48

**\_\_deficiency** is the most common in FL palms

Answer 48

Potassium

Question 49

What is the **license fertilizer appliers** must get?

Answer 49

Limited Urban Commercial Fertilizer Certification

Question 50

**The Florida Friendly BMP For Protection of 1)\_\_ Resources by the 2)\_\_ Industries** provide practices that help reduce pollution and conserve water.

Answer 50

1) Water 2) Green

Question 51

**The Water 1)\_\_/ 2) __ Best Management Practices for Florida Nurseries** provide BMP for nurseries.

Answer 51

1) Quality 2) Quantity