Chapter 17

Question 1

A bushel of corn or soybean weighs 60 pounds (27 kilograms)

Answer 1

False

Question 2

Seeds at physiological maturity are dry enough for storage

Answer 2

False

Question 3

Generally when soybeans are harvested, the leaves have fallen off the plants

Answer 3

True

Question 4

After combining, grain is clean of residue

Answer 4

True

Question 5

Above-optimum moisture levels in seeds increase the rate of respiration

Answer 5

True

Question 6

Grain Storage always improves grain quality

Answer 6

False

Question 7

The decision to dry grain crops artificially versus naturally can be dependent on energy prices

Answer 7

True

Question 8

Harvest forages generally contain mature seed

Answer 8

False

Question 9

Silage yields are usually up to 50% higher per acre than hay yields

Answer 9

True

Question 10

High cell wall content is associated with increased intake and digestibility

Answer 10

False

Question 11

Many modern beef and dairy operations rely more on stored grains than on grazing to feed livestock

Answer 11

True

Question 12

The process of fermentation during silage production turns lactic acid into glucose

Answer 12

False

Question 13

Cotton is mature when the bolls being to close

Answer 13

False

Question 14

Sugar content is the most important quality of sugar beets

Answer 14

True

Question 15

Potato size is the main determinant in harvesting

Answer 15

True

Question 16

Corn is typically harvested at grain moisture levels of: 
        A. 13 Percent 
        B. 20 Percent 
        C. 25 Percent 
        D. 33 Percent

Answer 16

C. 25 Percent

Question 17

Soybean is typically harvested at grain moisture levels of: 
        A. 13 Percent 
        B. 20 Percent 
        C. 25 Percent 
        D. 33 Percent

Answer 17

A. 13 Percent

Question 18

Swathing would most likely be part of harvesting for which crop? 
        A. Corn
        B. Oats 
        C. Soybean
        D. Sugar Beet

Answer 18

B. Oats

Question 19

Manual harvesting of grains was first replaces by which machine? 
        A. Combine 
        B. Reaper 
        C. Binder 
        D. Cradle

Answer 19

B. Reaper

Question 20

The minimum temperature for storage fungi growth is: 
        A. 20 Degrees 
        B. 30 Degrees 
        C. 40 Degrees 
        D. 50 Degrees

Answer 20

C. 40 Degrees

Question 21

The most frequent cause of loss during grain storage is: 
        A. Insects 
        B. Fungi 
        C. Rodents 
        D. Bacteria

Answer 21

B. Fungi

Question 22

The loss of forage nutrients during harvest frequently can be up to: 
        A. 5 Percent 
        B. 25 Percent 
        C. 40 Percent 
        D. 60 Percent

Answer 22

B. 25 Percent

Question 23

Forage feeding value is described as: 
        A. Forage Quality 
        B. Intake 
        C. Nutritive Value 
        D. Antiquality Factors

Answer 23

A. Forage Quality

Question 24

Thorns would be categorized as which of the following? 
        A. Forage Quality 
        B. Intake 
        C. Nutritive Value 
        D. Antiquality Value

Answer 24

D. Antiquality Value

Question 25

As the crop matures from vegetative to flowering stages, which of the following occurs? A. Forage yield decreases and forage quality decreases B. Forage yield decreases and forage quality increases C. Forage yield increases and forage quality increases D. Forage yield increases and forage quality decreases

Answer 25

D. Forage yield increases and forage quality decreases

Question 26

``` The stocking rate is: A. Number of paddocks in a pasture B. Amount of hay in a bale C. Amount of silage in a silo D. Animals on pasture per acre ```

Answer 26

D. Animals on pasture per acre

Question 27

``` The leading hay crop in the United States is: A. Smooth Bromegrass B. Red Clover C. Alfalfa D. Timothy ```

Answer 27

C. Alfalfa

Question 28

``` Drying hay in the field takes about how many days? A. 1 to 5 B. 6 to 10 C. 11 to 15 D. Over 15 ```

Answer 28

A. 1 to 5

Question 29

``` What is the most important determinant of quality in tobacco crop? A. Leaf Color B. Nicotine Content C. Grain Yield D. Moisture Content ```

Answer 29

B. Nicotine Content

Question 30

At the end of the season, the completion of the production cycle for a crop is the _______

Answer 30

Harvest

Question 31

_______ is an old English term that describes a unit of volume for measuring crop yield

Answer 31

Bushel

Question 32

__________ is the stage of development in grains when the maximum accumulation of dry matter in the seed occurs

Answer 32

Physiological Matter

Question 33

__________ is the moisture content of the crop when grain can be harvested with a combine with minimum field loss

Answer 33

Harvest Maturity

Question 34

_______ is when crop plants fall over in the field

Answer 34

Lodging

Question 35

_______ is the process of shelling grain

Answer 35

Threshing

Question 36

Tied bundles of small grains are called _______ and tied bundles of corn are called _______

Answer 36

Sheares and Shocks

Question 37

After removal of the ears of corn, the remaining stalks, leaves and husks are called _______

Answer 37

Stover

Question 38

_______ agriculture is the use of computers sensing and data collection equipment to allow for accurate, site-specific management decisions

Answer 38

Precision

Question 39

The toxic compounds that storage fungi can form are called ________

Answer 39

Mycotoxins

Question 40

The vegetative portion of plants used for livestock feed are ________

Answer 40

Forages

Question 41

The three components of forage quality are _______, ______, and ________

Answer 41

Intake, Nutritive Value and Antiquality Factor

Question 42

________ of forages is the direct utilization of forages by grazing animals in the field

Answer 42

Grazing

Question 43

________ grazing is the system where animals have a large pasture and move about freely. ________ grazing is where pasture is divided into paddocks and grazing is controlled

Answer 43

Continuous and Rotational

Question 44

The two types of grazing lands are _______ and ______

Answer 44

Pasture and Rangeland

Question 45

Cotton can be harvested using a ______ or a _______

Answer 45

Picker or Stripper

Question 46

_______ are rows of cut forage fluffed to increase air flow

Answer 46

Windrows

Question 47

High-moisture forage that is stored anaerobically is called ______

Answer 47

Silage

Question 48

Stems have leaves but NO flowers

Answer 48

Vegetative

Question 49

Stems have flower buds but none are open

Answer 49

Bud

Question 50

Flowers are open

Answer 50

Flowering

Question 51

Flowers have pollinated and set seed

Answer 51

Seed

Question 52

Plant has only leaves

Answer 52

Vegetative

Question 53

Stems have elongated, but NO flowers have formed

Answer 53

Stem Elongation

Question 54

Inflorescence is enclosed in sheath of the last leaf

Answer 54

Boot

Question 55

Grasses are pollinating

Answer 55

Flowering

Question 56

Mature seed is present

Answer 56

Seed

Question 57

80 to 85 Percent

Answer 57

Direct Cut

Question 58

60 to 75 Percent

Answer 58

Wilted

Question 59

40 to 60 Percent

Answer 59

Haylage