Common types of garden sprayers
- Handheld trigger sprayers: 500 ml to 1 litre sprayers for indoor plants, seedling trays, and small spot treatments.
- Compression pressure sprayers: 1.5 to 5 litre portable sprayers pumped manually to generate air pressure, featuring adjustable brass or plastic nozzles for mist or stream spraying.
- Backpack knapsack sprayers: 8 to 16 litre manual or battery-powered sprayers suited for larger kitchen gardens and orchard trees.
- Battery-operated mini sprayers: Push-button automated sprayers reducing manual pumping fatigue for elderly gardeners and polyhouse operators.
Calibration and droplet management
Proper nozzle adjustment is crucial. Use fine mist cones when spraying contact insecticides and foliar micronutrients to maximize leaf surface coverage. When applying organic herbicides, adjust to coarse fan droplets to minimize wind drift and protect neighboring flowers.
Cleaning and maintenance guidelines
Triple-rinse the sprayer tank with clean water immediately after every use. Never leave diluted pesticide or fertilizer solutions inside the tank, as chemical residues clog nozzles and corrode rubber gaskets. Store in a dry, shaded place away from direct sunlight.
Official source
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Common questions
What type of sprayer is ideal for a terrace vegetable garden?
A 2 to 5 litre manual compression pressure sprayer with an adjustable nozzle wand is ideal for terrace gardens.
Why is cleaning the sprayer after every use essential?
Thorough rinsing prevents nozzle blockages, extends pump seal life, and avoids accidental phytotoxicity from leftover chemical residues.
Can the same sprayer be used for both weed killers and fertilizers?
It is best practice to keep separate sprayers for herbicides, as trace weed killer residues can damage sensitive garden crops.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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