AgSc20 (LEC)

Question 1

Goverment’s mandate on Agricultural Mechanization

Answer 1

1. Agriculture and Fisheries Modernization Act (AFMA) of 1997
2. Agricultural and Fisheries Mechanization (AFMech) Law of 2012

Question 2

types of agricultural operation

Answer 2

1. tractive
2. stationary

Question 3

a machine that is mobile

Answer 3

tractive

Question 4

the operation is done in a fixed place; the machine is unmoving

Answer 4

stationary

Question 5

example of tractive machine

Answer 5

• tillage or cultivation
• harvesting
• spraying
• planting/drilling
• fertilizer application
• seedbed preparetion
• transplanting

Question 6

example of stationary machine

Answer 6

• threshing
• shelling
• sorting
• feed grinding
• milking
• silage cutting

Question 7

tillage equipment

Answer 7

• plow, till or cultivate the soil
• slices, cuts or breaks the soil
• uproot and crush weeds and existing vegetation
• level the land
• create dikes and canals

Question 7

Classification of tillage

Answer 7

1. primary tillage
2. secondary tillage
3. inter-row cultivation

Question 7

classification of tillage

is performed to:
* Break soil clods into finer soil particles
* Crushed weeds and other vegetation
* Improve soil tilth and granulation

Answer 7

Secondary tillage

Question 7

classification of tillage

is performed to:
* Open up any cultivable land
* Prepare a seedbed
* Break or loosen compact soil
* Equipment used: moldboard plow, disc plow

Answer 7

Primary tillage

Question 7

Plowing patterns

Answer 7

• Circuitous
• Headland (one way)
• Headland (casting)
• Headland (gathering)

Question 7

classfication of tillage

is performed:
* When crops are planted and established
* Control weed in between the rows of crops

Answer 7

Inter-row cultivation

Question 7

Plowing patterns

• Plowing begins at the edge of the field and work towards the center of the field always throwing the soil towards the outside of the field.
• It is themost commonly used system for ploughing in Asia
• It is commonly used with moldboards,discs.

Answer 7

Circuitous

Question 8

Plowing patterns

• Is plowed in runs parallel to each other. It starts at one boundary of the field and ends at the opposite with turns being made on the headlands.
• This system is used for bigger pieces of land and can only be used for tined implements, rotovators, harrows and reversible ploughs.
• Most field efficient system

Answer 8

Headland (one-way)

Question 9

Plowing patterns

• Requires plowing to begin at the edges.
• Furrow slices are turned to the edges of the field
• This system can also be used with all types of ploughs

Answer 9

Headland (casting)

Question 9

Plowing patterns

• ploughing to begin in the center of the field and works out to the edges.
• It requires some measurement of the field to establish the center point and if done correctly leaves a level field with drainage channels on the edges.
• Furrow slices are turned to the center of the field.
• This system can be used with all types of ploughs.

Answer 9

Headland (gathering)

Question 10

Tillage equipment used used in Primary tillage

Answer 10

• carabao-drawn moldboard plow
• tractor-mounted moldboard plow
• tractor-mounted disc plow

Question 11

Tillage equipment used in Secondary tillage

Answer 11

Disc harrow

Question 12

Basic parts of Disc Harrow

Answer 12

• Disc
• Gang
• Gangbolt

Question 13

Basic parts of Disc Harrow

is the circular concave revolving steel plate used for cutting the soil clods. Disc is made of a high class heat-treated hardened steel

Answer 13

Disc

Question 14

Basic parts of Disc Harrow

Each set of discs that are mounted on a common shaft

Answer 14

Gang

Question 14

Basic parts of Disc Harrow

A square headed bolt from the other end, a set of discs are mounted on the gang bolt.

Answer 14

Gang bolt

Question 14

Classes of Disc Harrow

Answer 14

1. Single action
2. Double action

Question 14

Classes of Disc Harrow

two gangs placed end to end.

Answer 14

single action disc harrow

Question 15

Classes of Disc Harrow