EN
The narrative of agricultural spraying technology is shifting from a singular focus on pest control efficacy towards maximising yield while minimising environmental impact. This transformation is being achieved primarily through three key technological pathways.
The primary pathway is “reduction”, centred on variable rate spraying technology. Utilising sensors or pre-set prescription maps, sprayers can identify variations in pest, disease, and weed pressure across different field zones. They automatically adjust application rates, delivering precise treatment where needed while reducing or halting spraying in unnecessary areas. This technology can directly reduce total pesticide usage by over 30%, curbing chemical inputs into the natural environment at source.
The second pathway is ‘drift control’, aimed at minimising pesticide deposition in non-target areas. Representative technologies include low-pressure anti-drift nozzles and electrostatic spraying. These generate larger, charged droplets that adhere more readily to crop leaves, significantly reducing wind-induced drift. This not only protects neighbouring sensitive crops but also minimises potential risks to surrounding soil, water sources, and biodiversity in the application area.
The third approach is ‘closed-loop management’, involving the safe treatment of residual spray. Advanced spray systems incorporate automatic tank rinsing and residual liquid recovery mechanisms. This ensures that highly concentrated pesticide residues are not indiscriminately discharged into the environment after operations conclude, but are instead centrally collected and subjected to harmless treatment. From reducing application volumes to controlling drift, and culminating in closed-loop processing, modern spraying technology is establishing a comprehensive environmental solution. This demonstrates that agricultural production and environmental protection can coexist without contradiction.
