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Dr. P.U. SHAHAREProfessor and Head
Department of Farm Machinery and PowerCAET, DBSKKV Dapoli (M.S.)
Newly Developed Equipments and Machines at
Dr. B.S. Konkan Krishi Vidyapeeth Dapoli: A Review
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�Konkan is the coastal part of Maharashtra between Western Ghat and Arabian sea.
�This region of Maharashtra is the narrow strip of 40 km width and running 750 km
�Districts: Ratnagiri, Thane, Raigad, Sindhudurg, Palghar and Mumbai
�Sahydari hillocks at one side and Arabian sea at another side
�Annual rainfall 3500 mm which occurs in June-Oct.
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• Area under cultivation 9.5 lakh ha
Field crops
• Rice : 4.0 lakh ha
Horticultural crops
• Mango: 1.70 lakh ha
• Cashew: 1.70 lakh ha
• Coconut: 0.3 lakh ha
• Areca nut: 0.03 lakh ha
Major crops in Konkan region
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� Small land holding
� Farming on slope,
terraces
� Poor socio-economic
status
� Lack of technical
knowhow
� High fuel cost
� Poor after sales
service network
� Rainfed farming
Hurdles in Agricultural Mechanization in
Konkan region
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• The Tractor mounted elevator
is suitable for harvesting of
coconuts and other fruits
• The number of coconuts
harvested depends upon the
actual number of coconuts
available on trees.(400-500
Nos./h).
• Capacity for mango harvesting:
450-500 Nos/h
Tractor drawn Hydraulic Elevator
New Machines developed by DBSKKV Dapoli
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• Capacity: 90 to 100
coconut trees/day
• The lifting time and
lowering time of 12 m
height is 40-50 and 30-40
seconds, respectively.
• The capacity of bucket is
200 Kg
• The tractor of 35 HP is
suitable for mounting the
machine.
Tractor drawn Hydraulic Elevator
New Machines developed by DBSKKV Dapoli
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• The inner drum with pricks and conveying arrangement
• The outer drum is kept stationary
• Inner drum is rotated by the operator using handle
• The pricks fitted on the periphery of internal drum scrarifies the outer shell of the arecanut
Arecanut Scrarifier
New Machines developed by DBSKKV Dapoli
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• The maximum scrarifying percentage area : 92.44 %.
• The capacity of machine : 1623 nuts per hour.
• The nuts scrarified have better acceptability in terms of colour, texture and test.
• It enhanced the rate of drying of arecanut by 20-40%.
Arecanut Scrarifier
New Machines developed by DBSKKV Dapoli
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• The major parts are the hopper, lead
screw, cutting blade, handle, lead
screw and cutting plate.
• The teeth on the cutting plate peels
off the husk
• The capacity of the machine: 6 Kg/h
• The breakage percentage : 11.2 %.
• The unhusked arecanut percentage :
3.7 %.
• The efficiency of machine : 85.16 %.
Hand Operated Arecanut Dehusker
New Machines developed by DBSKKV Dapoli
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• It consist of cylinder, beaters, hopper,
frame and motor.
• The diameter and length of cylinder :
300 mm and 500 mm
• Four beating elements with MS flat
having width and thickness as 40 mm
and 10 mm respectively.
• Rubber pads 40mm width, thickness
15 mm.
• An electric motor (single phase, 1450
rpm, 0.75 hp)
• The concave having the average
aperture:16 mm - 22.5 mm
Motor Operated Arecanut Dehusker
New Machines developed by DBSKKV Dapoli
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• Average dehusking efficiency and kernel
breakage at 7 m/s peripheral speed and
20kg/h feed rate were 98.1 per cent and
9.9 per cent, respectively.
• The dusking capacity of kernel by
traditional method was 3.6 kg/h.
• Dehusking capacity for power operated
machines were 13 kg/h
• Dehusking cost of arecanut with
traditional method, power operated Rs.
5.1/kg, Rs. 1.9/kg .
• The dehusking cost of power operated
dehusker 62.7 per cent less as compared
to traditional method.
Hand Operated Arecanut Dehusker
New Machines developed by DBSKKV Dapoli
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• Dehusking efficiency and kernel breakage at 7 m/s peripheral speed and 15 kg/h feed rate: 96.6 per cent and 6.9 per cent, respectively.
• Dehusking capacity :9.8 kg/h,
• Dehusking cost of arecanut with traditional method, pedal operated,: Rs. 5.1/kg, Rs. 3.7/kg, respectively.
• The dehusking cost of pedal operated dehusker, : 27.5 per cent less, over traditional method.
Pedal Operated Arecanut Dehusker
New Machines developed by DBSKKV Dapoli
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• The dehusking capacity and dehusking efficiency for folding and non-folding type were found to be 58 nuts/h, 93.7%
• Heart rate 3.94 % less and 6.28 % less oxygen consumption rate than non-folding type coconut dehusker.
• The average value of energy expenditure for non-folding type coconut dehusker is more than (11 % more) the folding type coconut dehusker.
• The average value of HR for both coconut dehuskers was less than Limit of Continuous Performance (LCP)
Hand Operated Foldable Coconut Dehusker
New tools developed by DBSKKV Dapoli
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S. N. Parameters Modified
sickle
1 Weight, g 199.2
2 Length of cutting edge (mm) 225
3 Maximum width of cutting edge ( mm) 24
4 Chord length (mm) 210
5 Blade concavity (mm) 30
6 Pitch (mm) 2
7 Angle of teeth 600
8 Length of handle (mm) 136
9 CS- CL ratio 1.07
10 Average diameter of handle (mm) 32
11 Angle of blade with handle, deg 157
Improved ‘Vaibhav’ Sickle
New tools developed by DBSKKV Dapoli
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�The time required17.82 per cent less
over Vaibhav sickle.
�Physiologically, the workload was
found to be ‘moderately heavy’
category for improved Vaibhav sickle
while, that of in ‘heavy’ category in
case of existing Vaibhav sickle.
�Limit of continuous performance:‘less
than limit of continuous performance’
Vaibhav sickle :More than limit of
continuous performance’.
�The field capacity of improved
Vaibhav sickle was found to be 112
m2/h which was 13.1 per cent higher
than existing Vaibhav sickle (99 m2/h).
Improved ‘Vaibhav’ Sickle
New tools developed by DBSKKV Dapoli
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Sr. No. Particulars Specification
1. Power source 3 hp, Petrol start Kerosene run Engine
2. Width of cutter bar, cm 120
3. Size of reaper:
Length x width, cm
230 ×145
4. Height of reaper, cm
(from ground to handle)
104
5. Total weight of the reaper, kg 270
Self Propelled Paddy Reaper
New Machines developed by DBSKKV Dapoli
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•Average field capacity was found to
be 0.144 ha/h ( about 1 ha/day)
•Average time required to cover one
ha was 6.95 h.
•Average fuel consumption was
found to be 1.08 l/h.
•The average working heart rate
was 141.12beats/min.
•The average work pulse was 43.29
beats/min and
•Noise level was 85.6 dB (A).
Self Propelled Paddy Reaper
New Machines developed by DBSKKV Dapoli
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• It has got one fixed blade and one reciprocating blade.
• The steamed cashewnut is placed in a plastic channel which is picked by holder
• Holder clamp holds the cashew in the plane of the cutting blade while shelling
• The machine is economical for large scale shelling as compared to hand-operated and hand -foot operated machine
Semi automatic Cashew nut Sheller
New Machines developed by DBSKKV Dapoli
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• Average capacity 10.09 kg/hr.
• The shelling efficiency 88.48%
• The recovery in terms of whole
kernel, half split and broken
was 82.26%, 8.73% and 8.90%
respectively.
Semi automatic Cashew nut Sheller
New Machines developed by DBSKKV Dapoli
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‘Vaibhav’ Sickle‘Nutan’ Mango harvester
‘Swastick’ Groundnut hoeAmar’ Loranthus cutter
Various tools, equipments developed by DBSKKV Dapoli
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‘Ankur’ serrated spade‘Pankaj’ Puddler
Stubble remover‘Atul’ fruit harvester
Various tools, equipments developed by DBSKKV Dapoli
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‘Sulabh’ Contour marker
Cashew cutter
Coconut dehusker
Japanese weeder
Various tools, equipments developed by DBSKKV Dapoli
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Zero till PlanterBiomass shredder
Inverted chain conveyor
type thresher
Various tools, equipments developed by DBSKKV Dapoli