AgSc20 (LEC) Lesson 1.1 Flashcards
Goverment’s mandate on Agricultural Mechanization
- Agriculture and Fisheries Modernization Act (AFMA) of 1997
- Agricultural and Fisheries Mechanization (AFMech) Law of 2012
types of agricultural operation
- tractive
- stationary
a machine that is mobile
tractive
the operation is done in a fixed place; the machine is unmoving
stationary
example of tractive machine
- tillage or cultivation
- harvesting
- spraying
- planting/drilling
- fertilizer application
- seedbed preparetion
- transplanting
example of stationary machine
- threshing
- shelling
- sorting
- feed grinding
- milking
- silage cutting
tillage equipment
- 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
Classification of tillage
- primary tillage
- secondary tillage
- inter-row cultivation
classification of tillage
is performed to:
* Break soil clods into finer soil particles
* Crushed weeds and other vegetation
* Improve soil tilth and granulation
Secondary tillage
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
Primary tillage
Plowing patterns
- Circuitous
- Headland (one way)
- Headland (casting)
- Headland (gathering)
classfication of tillage
is performed:
* When crops are planted and established
* Control weed in between the rows of crops
Inter-row cultivation
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.
Circuitous
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
Headland (one-way)
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
Headland (casting)
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.
Headland (gathering)
Tillage equipment used used in Primary tillage
- carabao-drawn moldboard plow
- tractor-mounted moldboard plow
- tractor-mounted disc plow
Tillage equipment used in Secondary tillage
Disc harrow
Basic parts of Disc Harrow
- Disc
- Gang
- Gangbolt
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
Disc
Basic parts of Disc Harrow
Each set of discs that are mounted on a common shaft
Gang
Basic parts of Disc Harrow
A square headed bolt from the other end, a set of discs are mounted on the gang bolt.
Gang bolt
Classes of Disc Harrow
- Single action
- Double action
Classes of Disc Harrow
two gangs placed end to end.
single action disc harrow
