The use of pesticides is indispensable, especially in the summer when there is a lot of medication, but we can reduce the amount of pesticides by improving the application technology, so as to achieve the full utilization of pesticides and reduce the pollution of pesticides. The following technologies can significantly reduce the amount of pesticides, can save 50% to 95% of pesticides, and can greatly reduce or substantially eliminate the possibility of pesticide spraying onto non-target plants.
1. Pelletized application technology:
For the water-soluble agent used in paddy fields, the pelletized application technique can be used. The pellet can be evenly spread in the farmland, the work efficiency is increased by a factor of ten, and there is no pesticide drift and no pollution to adjacent crops.
2, circulating spray technology:
Redesign and renovate the conventional spray equipment, install a drug recovery device on the opposite side of the spray component, collect the liquid medicine on the target plant without deposition, and then withdraw it into the liquid tank for recycling, which can greatly improve the effective use of pesticides. rate.
3. Low-volume spray technology:
Refers to the constant application of the unit area, the pesticide stock solution is slightly diluted, the water consumption is equivalent to 1/5 - 1/10 of the conventional spray technology. This technology improves work efficiency and is widely used in greenhouses and mountains.
4, electrostatic spray technology:
The high-pressure electrostatic generating device enables the droplets to be electrically sprayed, and the deposition amount of the liquid droplets on the surface of the blade is remarkably increased, and the effective utilization rate of the pesticide can be increased to 90%.
5. Application of electronic computer technology:
The computer control system has been used in the United States for orchard sprayers. The system determines the shape of the fruit tree by means of ultrasonic sensors. The computer control system automatically adjusts the pesticide spray characteristics according to the shape of the fruit tree. This technology greatly improves the effective utilization of pesticides and represents the direction of pesticide use technology.
6, drug roller smearing technology:
It is mainly used for the internal absorption of herbicides. The liquid is exuded from the surface of the medicine roller by a medicine roller (a type of plaster overflow made of a foam material capable of absorbing the liquid medicine), and only needs to contact the blades of the upper part of the weeds. It works. This method can almost completely apply the agent to the surface of the target plant without causing the liquid to spill and drip.
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