TKP3501 Agricultural Mechanization 6c_CropProduction... · TKP3501 Agricultural Mechanization Topic...
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Transcript of TKP3501 Agricultural Mechanization 6c_CropProduction... · TKP3501 Agricultural Mechanization Topic...
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TKP3501
Agricultural Mechanization
Topic 6c:
Crop Production
>> Planting
Ahmad Suhaizi, Mat Su
Email: [email protected]
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History
Seedling or planting – one of the earliest
mechanized operation
Hand planter patented in 1856 consisted
of a hoe and small container for seed,
mounted near the handle.
After dug a small pit, a farmer pulled a
lever to release the seed. Then covered
and firmed the seed into the soil with foot.
In 1609, Romans sowed their corn with as
much care as they trained their armies.
Modern agriculture is important on
planting crops as did by predecessor
On no till soil
2
www.campsilos.org
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Learning outcomes
Be able to understand the
operating principles and seedling
mechanism of planting equipment
Be able to identify the types of
planting equipment, components of
row-crop planting equipment, and
maintenance procedures for
planting equipment
Be able to explain the calibration
of planting equipment.
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Reading Materials
http://www.uaex.edu/publications/pdf/fsa-1047.pdf
http://extension.psu.edu/plants/crops/grains/small/production/
calibration-of-grain-seed-drills
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Topics
Methods of planting
Mechanism of planting
Seeds characteristics
Planting Equipment
Planter
Broadcast
Drill
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Methods of Planting
6
•Row seedling, point seedling (drill), and broadcasting (e.g. rice)
Seedling
•Vine (stem) cutting, tuber
Cutting
•Bare root, polybag, rooting media in foam tray seedling
Transplanting
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Self propelled rice transplanter
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Machine for manual planting seedlings with roots
enveloped in rooting medium
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Transplanter for seedlings with rooting medium
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Transplanter for seedling from poly bag and the machine
also places plastic mulch
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Placement of plastic mulch and planting
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Transplanting seedlings from ply styrene foam
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PLANTING MACHINES
Planting machines functions to place seeds, cuttings and
drop the seed/seedlings in the soil at the right depth, using
a random broadcasting, or continuous seeding in furrows.
Components;
1) Seed box
2) Metering device
3) Furrow opener
4) Seed covering device as well as soil compacter.
5) Wheels that harness power from soil as well as bear
the load.
6) Tubing for seed passage.
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Planting equipment varies among crops, depends on the
function either for transplanting or seeding germinated
seeds.
The seeds must be graded and metering device suited to
crop seed
Calibration must be done prior to actual field operations
Row planting can be done on:
i) Level soil surface
ii) In the furrow (dry areas not prone to flooding)
iii) On the ridges or beds, one or two row where there is
high risk of flooding.
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Types of ridge / seed beds
Performs on any bed types
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Topics
Methods of planting
Mechanism of planting
Seeds characteristics
Planting Equipment
Planter
Broadcast
Drill
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What type of mechanism do
farmers use to plant?
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1. Opening a furrow in the soil
Place below the soil surface
Therefore, planting equipment must
provide a mechanism to open the soil.
Type: Shovel, shoed, runners, and wheel
openers
The opener must remain in the soil and
maintain the seed a proper depth in variety
of soil condition.
21 Travel direction
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2. Meter the seed
Controlled the seeding rate e.g. seeds
per hectare
Mostly for row crop, one seed as a
time to be metered and placed in the
soil.
Types: plate, fluted feed, air, internal
run, and variable orifice
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MECHANICAL: FINGER PICK-UP
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PNEUMATIC: PRESSURE
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PNEUMATIC: PRESSURE
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3. Placing the seed
Depth and space – yield
Must provide uniform seed placement in
uneven soil conditions.
The furrow opener on the grain drill
often equipped with spring loaded to
ride over irregularities and place the
seed at desired depth and uniform depth
Mechanism: seed tube, and power drop
devices, to deliver the seed to the
furrow opener
Same mechanism for side dress
fertilizer
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4. Cover the seed and
5. Firm the seedbed
Used the spike-tooth harrow, cult
packer, chains, drag bars and shovels.
Press in adequate pressure to
compact the soil.
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Topics
Methods of planting
Mechanism of planting
Seeds characteristics
Planting Equipment
Planter
Broadcast
Drill
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SEEDS
Are biological materials with non-uniform properties which includes:
Size, Shape
Specific gravity, Aerodynamic properties
Dielectric properties, Surface texture
Other characteristics
Grading of seeds; Done to increase the
efficiency of seeding by: 1) size, 2) shape
Processed seed to achieve the right shape if
seeds are too small but without inhibiting seed
germination.
Covered with coating so that it becomes larger
and round.
Placed in tapes that degrade in soil
Processed seeds
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PLANTING PATTERNS
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Planting chart-Spacing
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The spacing required, reflected the spacing
setting on the planting machine
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How to estimate the seed population?
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𝑺𝒆𝒆𝒅 𝒑𝒆𝒓 𝒇𝒐𝒐𝒕 =𝑻𝒐𝒕𝒂𝒍 𝒔𝒆𝒆𝒅𝒔 (𝒔𝒆𝒆𝒅 𝒑𝒆𝒓 𝒂𝒄𝒓𝒆)
𝟒𝟑, 𝟓𝟔𝟎 𝒇𝒕𝟐− 𝒂𝒄𝒓𝒆𝒙𝒓𝒐𝒘 𝒔𝒑𝒂𝒄𝒊𝒏𝒈 (𝒊𝒏𝒄𝒉)
𝟏𝟐
𝑺𝒆𝒆𝒅 𝒑𝒆𝒓𝒎𝒆𝒕𝒆𝒓 =𝑻𝒐𝒕𝒂𝒍 𝒔𝒆𝒆𝒅𝒔 (𝒔𝒆𝒆𝒅 𝒑𝒆𝒓 𝒉𝒂)
𝟏𝟎,𝟎𝟎𝟎 𝒎𝟐−𝒉𝒂𝒙 𝒓𝒐𝒘 𝒔𝒑𝒂𝒄𝒊𝒏𝒈 (𝒎)
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Example
A farmer is planning to plant a corn at 100,000 seeds per
acre. The row spacing is 15 inch. How many seed per foot
of row will be planted?
34
𝑺𝒆𝒆𝒅 𝒑𝒆𝒓 𝒇𝒐𝒐𝒕 =𝑻𝒐𝒕𝒂𝒍 𝒔𝒆𝒆𝒅𝒔 (𝒔𝒆𝒆𝒅 𝒑𝒆𝒓 𝒂𝒄𝒓𝒆)
𝟒𝟑, 𝟓𝟔𝟎 𝒇𝒕𝟐− 𝒂𝒄𝒓𝒆𝒙𝒓𝒐𝒘 𝒔𝒑𝒂𝒄𝒊𝒏𝒈 (𝒊𝒏𝒄𝒉)
𝟏𝟐
𝑺𝒆𝒆𝒅 𝒑𝒆𝒓 𝒇𝒐𝒐𝒕 =𝟏𝟎𝟎, 𝟎𝟎𝟎 𝒔𝒆𝒆𝒅 𝒑𝒆𝒓 𝒂𝒄𝒓𝒆
𝟒𝟑, 𝟓𝟔𝟎 𝒇𝒕𝟐− 𝒂𝒄𝒓𝒆𝒙𝟏𝟓(𝒊𝒏𝒄𝒉)
𝟏𝟐
= 2.87 seeds/ft of row
= ~ 3 seeds/ft of row
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Topics
Methods of planting
Mechanism of planting
Seeds characteristics
Planting Equipment
Planter
Broadcast
Drill
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Planting Equipment
Planting equipment is equipment used to place seeds in the soil
for germination. It must be properly adjusted so the right amount
of seed is planted at the proper depth in the soil.
Planting equipment includes planters and drills.
A planter is an implement used to place seeds in the soil at the
proper rate, depth, and spacing.
The planter opens a small furrow, drops and covers the seeds,
and lightly compacts the soil over the seeds.
Corn, cotton, and many vegetable crops are planted with
planters.
Before this machine was invented, farmers would have to dig
rows and plant the seeds by hand.
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Machines for planting :
(1) pulled by hand,
(2) pulled by 2WD or 4WD
(3) air plane
Planting and fertilizing machines may be combined during planting
operations
Fertilizing are also done regularly during crop growth.
Pre-emergent weedicide are often used for weed controls prior to
planting.
Liming are done to decrease the acidic nature of the soil 1 or 2 weeks
before planting, if required.
Machines for planting and fertilizing are chosen according to the type
of crop. E.g. Paddy: wet or dry planting. Fertilizer: broadcast or side
dressing.
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Technique
1. Planter
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Row planting have the advantage in weeds control, side
dressing and ridge repair while causing soil aeration
The planting device should not damage the seeds
contributing to missing points. Generally a 3 -5 % missing
points is acceptable for large scale seeding.
Types of seed metering device:
Flat, inclined and vertical types drill
Pneumatic for soft and expensive seeds
Broadcast type
Seeding in continuous band in furrow
Point seeding devices
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Planter-Pneumatic
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Marker
Seed meter wheel
Seed tank
Vacuum system
Seed
meter
wheel
gears
Fertilzer tank
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PNEUMATIC: VACUUM
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SEEDLING TRANSPLANTER
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43
Travel direction
# (hidden)- Marker disk: As a marker on the unplanted area.
80- Vacuum hose: to deliver the air pressure, to drop the seed
29 - Box of fertilizer: To host a fertilizer , granular shape
22/23 - Tilling tool: To make a furrow opener for seed
28- Tire and sprocket: metering device
30 - Box for seed: To store the seed, in unit liter
26 - Sprocket: metering device, connect the gear
60 - Seed plate: to meter the seed, and drop at proper distance
23 - Compact wheel: to back fill the soil at firm pressure
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www.yetterco.com
Operation
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Flat
Vertical
Metering Device
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Inclined
Vertical
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Pneumatic seeder for 2 WD, also place
fertilizer next to seed
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Furrow opener
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View of row continuous seeder
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Continuous seeder with individual unit
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Continuous row seeder
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Manual rotary
injector
planter row
point seeding
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Continuous row seeder for 2 wheel tractor
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Seedling transplanter
Seedlings with roots but without soil medium such as rice;
kuku kambing
Seedlings grown so that it have rooting medium such as padi,
sweet potatoes, tobacco.
The transplanter main device is the cone opener which carries
the seedling and open the soil surface.
Clamp
The seedling is carried by rotating clamp at low speed to soil
surface for push planting.
Clamps and similar devices can now plant younger seedlings
with rooting medium such as that grown in polystyrene foam
in the shape of inverted pyramid.
The planting machine for tapioca and sugar cane cuttings are
more simple consisting of rotating tubes attached radially on
large disc
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Manual driven seedling transplanter Kuku kambing
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Machine to plant seedlings without soil
attached to roots
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Technique
2. Broadcaster
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CENTRIFUGAL BROADCAST SEEDER
Seed is loaded in a hopper
Metering is done with a variable orifice
An agitator is used to prevent bridging of seeds
A spinning disc accelerates and throws the seeds
Seed rate controlled by gate opening, width and speed
Equipment can seed, apply fertilizer or pesticides
May require secondary tillage to cover seeds
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SEED BROADCASTER
• Knapsack type
• 4 wheeled tractor type
• Broadcasting from air plane
(Felcra, California)
4 wheeled
tractor
broadcaster, seeds (padi)
and granular
fertilizer
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FERTILIZER APPLICATOR
• Types depends on size of land, type of fertilizer and
purpose of fertilizing or manuring
- basal fertizer application,
broadcaster or continuous banding
- form: dusts or granule
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Broadcaster for seed and fertilizer
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Fertilizing and weed control
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Manure broadcaster
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Row placement or
manure
Manuring
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OPERATING PRINCIPLE
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SEED GERMINATION / EMERGENCE
Factors which affect germination:
Seed viability
Soil temperature
Moisture and air
Soil resistance to seedling emergence
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SEED CHARACTERISTIC SHAPE
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DETAILS OF ORIFICE
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DETAILS OF ORIFICE
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Technique
3. Drill
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Planter-Drill
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Drill
A drill is an implement used to plant seeds for
germination.
Applied the seed on “no-till” soil
The drill opens the soil, places the seeds, and
covers the seeds.
Drills can be used to plant seeds in plowed or
unplowed land.
Soybeans, wheat, oats, and rye grass are
examples of crops that are commonly planted
with drills.
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SEED DRILLS: FLUTED WHEEL METERING
Seed is metered from a hopper
Metering is done using a fluted wheel
Adjustable gate after the wheel controls seed rate
Requires furrow opener to deliver at desired depth
Press wheels carry drill weight and firm up soil
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SEED DRILL METERING
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Planting seeds as well as placing
fertilizer
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Drill
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SEED DRILLS
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Review / Questions
What factors controlling the seed density using the
planter?
The _______ must remain in the soil and maintain the
seed at a constant planting depth in variety of soil
condition
So what does a drill or planter have to do with no-till?
Why planting the crop is easier doing in row rather than
random?
What is the operation that can be combined during
planting?
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Review / Questions
What is the best method to plant a very tiny and light
weight seeds such mustard seeds using the machine?
Explain.
Matched the five essential functions that a row-crop planter
must perform with the components that perform the job;
A. Open the soil 1. Seed tube
B. Select the seed 2. Coverer
C. Place the seed 3. Metering mechanism
D. Cover the seed 4. Press wheel
E. Firm soil around 5. Furrow opener the seed
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