In the prevention and control of peanut pests and diseases, pesticides are generally applied 2-3 times during the peanut growth cycle. A few days ago, it was learned from the Plant Protection Institute of the Anhui Academy of Agricultural Sciences that the phoxim microcapsule suspensions developed by the institute were responsible for the control of pesticide release and control technologies. Applying once peanuts sowing can control the hazards of various underground pests such as earthworms during the whole growing period of peanuts, and increase production by more than 20% to 40% compared to conventional pesticides.
It is understood that the secret of controlled release of this pesticide lies in the large number of "plastic pellets" with a diameter of 1 to 50 microns suspended in the pesticide solution. The pesticide phoxim was poured into these invisible balls using advanced technology. After adding water to the soil, it was basically not released below 8 degrees Celsius. The release was small at 20 degrees Celsius and released at 20 degrees Celsius or less. The speed began to increase and it was released quickly above 30 degrees Celsius. Peanuts are sown in the upper and middle of April each year, the soil temperature is low, there is no pest and disease, and pesticide release is very small at this time. As soon as the fruit matures in mid-July, the soil temperature is high, which is a period of high incidence of diseases and insect pests, and the release rate of pesticides is accelerated, which just serves to kill pests.
Phoxim microcapsule suspension not only solves the problem of pesticide control and release, but also replaces organic solvents with water, reduces production costs, has little toxicity, and is more environmentally friendly. Experts say that after the active ingredients in the phoxim microcapsules are released in mid-July, they can be degraded into water and carbon dioxide in the soil in just 20 days, and it takes about a month to harvest the peanuts. There is no pollution of soil and peanuts.
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