Agro 302 Exam 2

Front 1

A method of cultivation that relieves compaction and removes some vegetation:

Back 1

Rototiller

Front 2

The addition of lime or gypsum to a site:

Back 2

Soil Modification

Front 3

An effective way to kill almost all weeds that is being phased out b/c of environmental concerns:

Back 3

Methyl Bromide Fumigation

Front 4

An inexpensive, non-mechanical way of controlling undesireable vegetation before planting:

Back 4

Non-selective Herbicides

Front 5

An environmetally friendly way of soil sterilization that takes 6 weeks to work and may not kill all weeds:

Back 5

Solarization

Front 6

Slowest seedling establishment rate:

Back 6

zoysiagrass

Front 7

T/F
Very loose soil should be rolled or watered to settle before final grading:

Back 7

TRUE

Front 8

High quality golf greens, tees, and atheletic fields make use of:

Back 8

Sand Modified Root Zones

Front 9

The interface between FINE sand,COARSE sand and GRAVEL produces:

Back 9

A Perched Water Table

Front 10

Especially useful for SLOPES, keeps SEED MOIST and in place:

Back 10

Hydromulching

Front 11

Planting stems that have AT LEAST ONE NODE OR CROWN and perhaps attached roots and leaves:

Back 11

Sprigging

Front 12

Often used for St. Augustine and zoysiagrass, HIGH LABOR REQUIREMENT, but is a way to reduce the amount of planting material needed for vegetative ESTABLISHMENT:

Back 12

Plugging

Front 13

May be done any time of year if irrigation is available, but is EXPENSIVE:

Back 13

Sodding

Front 14

CHEAP METHOD of planting COMMON BERMUDAGRASS:

Back 14

Seeding

Front 15

How much did it cost to ship the turf from the sod farm to Reliant Stadium in Houston:

Back 15

$80,000

Front 16

You have a SAND MODIFIED ROOT ZONE, and you want to plant TIFWAY BERMUDAGRASS:

Back 16

Washed Sod

Front 17

You need to VEGETATE an area that you CANNOT WALK ON, using COMMON BERMUDAGRASS:

Back 17

Hydroseed

Front 18

You want to plant PERENNIAL RYEGRASS in the FALL to cover some BARE AREA of your lawn:

Back 18

Seed

Front 19

You have a NATIVE CLAY SOIL and you want a ST. AUGUSTINEGRASS LAWN:

Back 19

Regular sod

Front 20

Used as OVERSEEDING in the FALL, germinates quickly from LARGE SEEDS, exhibits great quality, and transitions gradually in SPRING or EARLY SUMMER:

Back 20

Perennial Ryegrass

Front 21

FINE textured
Light green color
small seeds
dies suddenly in early spring:

Back 21

Rough bluegrass

Front 22

Rapid establishment
from large seeds
exhibits poor quality from light green color and coarse texture
Inexpensive
Grows very rapidly in spring:

Back 22

Annual Ryegrass

Front 23

The BIGGEST GRASSY WEED PROBLEM in overseeded turf:

Back 23

Annual Bluegrass

Front 24

Occasionally used for OVERSEEDING,
Most often used as a PERMANENT PUTTING GREEN SURFACE:

Back 24

Creeping Bentgrass

Front 25

T/F
It is adviseable to withhold water b/c the cool season grass needs more water:

Back 25

F

Front 26

T/F
There is a chemical transition aid that helps on sod farms and golf courses:

Back 26

T

Front 27

T/F
Close mowing in spring is good b/c it allows sunlight penetration:

Back 27

T

Front 28

T/F
Best if it occurs rapidly:

Back 28

F

Front 29

Overseeding mixture LEAST likely to be successful:

Back 29

Rough Bluegrass & Centipedegrass

Front 30

Measureable effect on mowing practices on TURF:

Back 30

Density
Texture
Cold Tolerance
Weed Population

Front 31

AS MOWING HEIGHT IS LOWERED, DO THE FOLLOWING:

Back 31

1-5

Front 32

1.Synthesis and accumulation of carbohydrates:

Back 32

Decrease

Front 33

2.Plant size:

Back 33

Decrease

Front 34

3.Needed frequency of mowing:

Back 34

Increase

Front 35

4.Root system size:

Back 35

Decrease

Front 36

5.Tolerance to sresses:

Back 36

Decrease

Front 37

UNDER THE FOLLOWING CONDITIONS, SHOULD MOWING HEIGHT BE RAISED OR LOWERED?

Back 37

6-9

Front 38

6.Very wet periods

Back 38

Raised

Front 39

7.Fall, to reduce winterkill:

Back 39

Raised

Front 40

8.Spring, when we want to warm up the soil:

Back 40

Lowered

Front 41

9.Shaded conditions:

Back 41

Raised

Front 42

Exhibits BEST MOWING QUALITY:

Back 42

St. Augustinegrass

Front 43

Exhibits WORST MOWING QUALITY:

Back 43

zoysiagrass

Front 44

Mowing patterns consisting of alternating dark and light green stripes are caused by:

Back 44

Rollers, usually on mowers

Front 45

Easiest blade maintenance:

Back 45

Rotary mower

Front 46

Safest type of mower:

Back 46

Flail mower

Front 47

Mowing very low:

Back 47

Reel mower

Front 48

Highest mowing quality mower:

Back 48

Reel mower

Front 49

T/F
Ultradwarf bermudagrass on putting greens are sometimes mowed at 0.1 inch:

Back 49

True

Front 50

The most important factor in truf drought resistance:

Back 50

Depth of rooting

Front 51

All of the following are corrections for restricted water infiltration EXCEPT:
a)soil amendments b)aeration c)vertical mowing d)increased fertility e)wetting agents

Back 51

D) Increased Fertility

Front 52

Evepotranspiration is DECREASED by:

Back 52

High relative humidity

Front 53

The best time to irrigate a lawn:

Back 53

Just before dawn

Front 54

MACROnutrient that plays the most important role in RESISTANCE to STRESS:

Back 54

Potassium

Front 55

MICROnutrient that is most likely to be DEFICIENT in TURF:

Back 55

Iron

Front 56

MACROnutrient that is most likely to LEACH or be VOLATILIZED:

Back 56

Nitrogen

Front 57

MACROnutrient that is NOT usually deficient in soils of Texas and is IMPORTANT FOR ROOT DEVELOPMENT:

Back 57

Phosphorus

Front 58

-Yellowing of turf leaves
-Lack of growth
-Abundant seedheads
Indicate a shortage of:

Back 58

Nitrogen

Front 59

-Yellowing b/t veins of younger grass leaves
Indicates a shortage of:

Back 59

Iron

Front 60

An iron deficiency may occur if the soil contains too much:

Back 60

Phosphorus

Front 61

T/F
MACROnutrients derived their name b/c they consist of larger molecules:

Back 61

False

Front 62

-Urea
-Ammonium sulfate
-Ammonium nitrate
ARE:

Back 62

Fast Release N sources

Front 63

The rate of nutrient release from most SLOW RELEASE FERTILIZERS is dependent upon:

Back 63

(all of the above)
-soil moisture
-particle size
-soil temp

Front 64

The type of fertilizer that is most likely to cause FOLIAR BURN is:

Back 64

Fast Release Fertilizer

Front 65

The nutrient that, because of lack of availability in the soil (esp at High pH), is often applied in CHELATED or LIQUID form:

Back 65

Iron

Front 66

A fertilizer that is is kept in a SOLUBLE form that the plant can use, so it isnt tied up in the soil:

Back 66

Chelated Fertilizer

Front 67

Fertilizer nutrient ratio of 3-1-2:

Back 67

9-3-6