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7.0 PLANT PROTECTION
EQUIPMENT
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7.1 KNAPSACK SPRAYER
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Features:
Knapsack sprayer consists of a pump and air chamber permanently
installed in a 9 to 22.5 liters tank. The handle of the pump extending
over the shoulder or under the arm of operator makes it possible to
pump with one hand and spray with the other. Uniform pressure can be
maintained by keeping the pump in continuous operation.
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Brief Specifications:
Tank capacity (l)
Pump cylinder inner dia. (mm)
Number of piston in pump cylinder
Pressure chamber capacity (ml)
Displacement volume (ml)
Number of delivery spout
Type of delivery spout
Cut off valve passage diameter (mm)
Lance length (mm)
Nozzle type
Spray angle
Size of filling hole (mm)
Pump discharge (ml/min)
Power required |
: 9-22.5
: 39-42
: One
: 572-660
: 87.24
: One
: Threaded
: 5
: 725
: Hollow cone
: 78 degree
: 94.9
: 610-896
: One person |
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Uses:
Knapsack sprayers are used for spraying insecticides and
pesticides on small tress’ shrubs and row crops.
Cost of Machine : Rs.2,500
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7.2 MOTORISED KNAPSACK POWER SPRAYER
CUM DUSTER
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Features:
It consists of a two plastic tanks (fuel and water), engine, pump,
spray hose, rope starter, delivery pipe, cut-off-cock, shoulder straps
and a frame, The pump adopts horizontal gear driving. It is powerful
and stable in pressure. As it is oil-soaking type, the lubricating
effect of crank box is positive. It has double cylinder pump, which
raises operational efficiency. The piston is heat treated and wear
resistant. 'V 'packing adopts special materials so it is durable. The
engine has electronic ignition, which is easy to be operated and
maintained. Its engine has high power to weight ratio. It uses
gasoline as a fuel and produces one power stroke for each 1800 of
crank rotation. Pressure is controlled by oil valve; spraying pressure
is changeable freely and up to 30 kgf/cm2. It can be
converted for dusting and ULV application.
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Specification:
Length (mm)
Width (mm)
Height (mm)
Weight (kg)
Number of tanks
Spraying volume (liters)
Pressure (kg/cm2)\
Field capacity(ha/h)
Power requirement(hp/kW) |
: 460
: 210
: 540
: 9-11
: 2
: 4.8 -5.2
: 20 -25
: 2-3
: 1.2/0.9 petrol or petrol/ kerosene engine
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Uses:
It is suitable for spraying pesticides and fungicides on rice, fruits
and vegetable crops.
Cost of Machine : Rs.7000/-
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7.3 TRACTOR MOUNTED BOOM SPRAYER
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Features:
The sprayer essentially consists of a tank made of fiber glass or
plastic, pump assembly’s suction pipe with strainer, pressure gauges,
pressure regulators, air chamber, delivery pipe and spray boom fitted
with nozzles. The sprayer is mounted on 3-point linkages of the
tractor. The hydraulic energy sprayers utilize PTO power of the
tractor to operate the pump of the sprayer. Basically the spray boom
can be arranged in two ways; ground spray boom and Overhead spray
boom. The overhead spray boom is designed for spraying in tall field
crops and the planting is done in such a way that an unplanted strip
of about 2.5 m width is left for operation of the tractor. Therefore a
planted strip may be 18-20 m wide and after every planted strip a
fallow strip has to be left for tractor operation. For ground spray
boom the planting has to be done in rows keeping in view track width
of the tractor. It uses high pressure and high discharge pump as the
number of nozzles may be up to 20 depending upon the crop and make of
the sprayer.
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Specifications:
Overall length(mm)
Overall width (mm)
Overall height (mm)
Tank capacity (l)
Weight (kg)
Field capacity (ha/day)
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: 6340
: 1290
: 1570
: 400
: 150
: 8 (with 14 nozzles)
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Uses:
It is used for spraying in vegetable gardens, flower
crops, vineyards and for tall field crops like sugarcane, maize,
cotton, sorghum, millets etc.
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Cost of Machine : Rs.40,000/ |
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7.4 AERO-BLAST SPRAYER
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Features:
The machine consists of tank of 400 litres capacity, pump, fan,
control valve, filling unit, spout, adjustable handle and spraying
nozzles to release the pesticide solution in to stream of air blast
produced by the Centrifugal blower. The air blast distributes chemical
in the form of very fine particles throughout its swath. The major
portion of swath is taken care of by the main blast through the main
spout and the auxiliary nozzles cover the swath area near the tractor.
The sprayer is mounted on the tractor 3-point linkage and is operated
by tractor PTO. The orientation of air outlet can be adjusted for its
direction and width of coverage.
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Specifications:
Type of power (rpm)
Crops suitability
Type of blower
Flow rate (l/min)
Spray rate (l/ha)
Spray swath (m)
Working speed (km/h)
Tank capacity (l)
Machine weight (kg)
Power required (hp/kW) |
: Tractor PTO at 540
: Cotton, sugarcane, horti. crops
: Centrifugal
: 120
: 100-400
: 15 (without wind)
: 2-6
: 400
: 230
: 35/26.25 or above tractor |
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Uses
It is useful for spraying on horticultural crops and crops like
cotton, sunflower, sugarcane etc.
Cost of Machine : Rs.50,000/-
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