1. Released parasitoids Released two or three times of flat beetles to prevent litchi in 3 to 5 months. Trichogramma was released twice in June, and it has received good control effects on insect pests such as ulnar warbler and leaf roller moth.
2, using drugs to prevent biological pesticides such as 0.3% azadirachtin, in the flowering and fruit growth and development of the general spray seven times, prevention and control of litchi locusts, tapeworm and other pests have a good effect, the rate of pods generally controlled below 5%; Phytophthora bordos liquid 2 to 3 times have a certain effect.
3. Control of population density The establishment of insecticidal lamps has a good effect on the control of strong phototaxis of beetles and ulnar warts; on the other hand, it encourages fruit farmers to use artificial trapping to remove insects and also receive certain prevention and control effects.
4. Improve the living environment of natural enemies of pests The “grass method†for planting grass and grass and other weeds is aimed at cultivating weeds that are beneficial to both the natural enemies living environment and certain nitrogen-fixing and fertilizing effects, and to increase the population of natural enemies and Water-retaining soil fertilizer effect has a good effect.
Squid has the advantages of high protein, low fat, and low calories. It is rich in vitamin E, calcium, phosphorus, and iron, which can relieve fatigue, restore vision and improve liver function. It is a very suitable food for the elderly.
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