A tractor-mounted sprayer is an agricultural machine attached to a tractor’s three-point linkage or chassis to spray chemicals like pesticides, herbicides, and fertilizers over large fields. The tractor’s power take-off (PTO) or hydraulic system operates the sprayer’s pump.
Types of tractor-mounted sprayers
The sprayer best suited for your farm depends on your crop type and field size.
- Boom sprayers: These feature a long horizontal arm (boom) with multiple nozzles for wide-area spraying. They are ideal for large-scale row crops such as soybeans, cotton, and pulses.
- Orchard or air-assisted sprayers: These sprayers use a powerful fan to create a mist, covering crops like grapes, citrus, and pomegranates in orchards and vineyards.
- Mist blowers: Used for spraying tree plantations and hard-to-reach areas, these devices create a fine mist for a longer, more targeted spray.
- Reel sprayers: Featuring a hose reel with an extended pipe, these are used for targeted spot spraying or reaching specific plants that are not in rows.
Tractor Mounted Sprayer Application in Horticulture Crops
Tractor Mounted Sprayer Application in Horticulture Crops. … The application of pesticides and fertilizers at appropriate time and is an important aspect of h…
Key components
- Tank: Holds the liquid chemical or fertilizer and comes in various capacities (e.g., 200–1000 liters).
- Pump: The heart of the sprayer, which pressurizes the liquid. Common types include diaphragm and piston pumps.
- Nozzles: These disperse the chemical spray in various patterns (e.g., cone, flat fan) and can often be adjusted for different applications.
- Boom: A folding arm that holds the nozzles and is adjustable to match different crop heights.
- Control unit: Allows the operator to regulate flow and pressure from the tractor.
- Filters: Prevent debris from clogging nozzles and damaging the pump.
How to use and safety
- Preparation and safety: Before use, inspect the sprayer for any damage and ensure all parts are working correctly. Wear proper personal protective equipment (PPE), including gloves and eye protection.
- Fill the tank: Fill the tank with the chemical and water mixture, according to the product’s label instructions.
- Calibrate the sprayer: Before spraying, calibrate the equipment to ensure the correct amount of liquid is applied. This involves setting the right pressure, speed, and nozzle size for the job.
- Spray the field: Once calibrated, operate the tractor at a consistent speed to ensure even and accurate coverage. For boom sprayers, adjust the boom height to about 50 cm above the crop to prevent drift.
- Clean thoroughly: After each use, triple-rinse the tank and flush the system with clean water. This prevents corrosion and chemical buildup, which can affect the sprayer’s performance and longevity.
Advantages
- Increased efficiency: Tractor-mounted sprayers significantly reduce the time and manual labor required for spraying large fields compared to handheld sprayers.
- Cost-effective: They use chemicals more efficiently by providing precise and uniform application, which reduces wastage.
- Versatility: Many sprayers can be configured for different applications, including applying herbicides, fungicides, and fertilizers.
- Improved crop health: Consistent and controlled application ensures chemicals are distributed evenly, leading to healthier crops and higher yields
