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According to the information from the Hefei Institute of Material Science, Chinese Academy of Sciences, experts from the Institute of Technology and Biology of the Academy have successfully developed a controlled-release pesticide that can release active ingredients by sensing pH.
It is estimated that it can effectively increase the utilization rate of pesticides by 20%, thereby reducing the frequency of pesticide application.
And it can also use the magnetic field to recover residual pesticides and reduce non-point source pollution caused by pesticides
.
???? The project was completed by Wu Zhengyan's group, a researcher from the Institute of Technology and Biology, Hefei Institute of Material Science, Chinese Academy of Sciences, and the relevant results have been accepted and published by the internationally renowned academic journal "Chemical Engineering"
.
??? At present, the annual consumption of pesticides in China is as high as one million tons, but the utilization rate is less than 40%.
Most of the pesticides are lost through runoff and leakage, which not only causes excessive pesticide residues, but also causes serious agricultural non-point source pollution.
A direct threat to the health of humans and animals
.
How to improve the utilization rate of pesticides and reduce the amount of pesticides has become a key issue that needs to be solved urgently in the agricultural and environmental fields of our country and even the world
.
??? The research group uses diatomaceous earth, ferroferric oxide, etc.
to prepare a composite nanomaterial, and uses this as a carrier to develop a controllable release and recyclable smart pesticide
.
The pesticide has a strong sensitivity to pH, and the release of pesticides can be controlled by pH to synchronize the release speed with the demand speed.
At the same time, it can effectively improve the adhesion of the pesticide on the foliage of plants, thereby significantly reducing loss and improving the utilization rate of pesticides.
Extend the validity period
.
???? Wu Zhengyan introduced that this technology can also use an external magnetic field to recover residual pesticides and carriers, greatly reducing the harm of pesticides to the environment
.
It is estimated that it can effectively increase the utilization rate of pesticides by 20%, thereby reducing the frequency of pesticide application.
And it can also use the magnetic field to recover residual pesticides and reduce non-point source pollution caused by pesticides
.
???? The project was completed by Wu Zhengyan's group, a researcher from the Institute of Technology and Biology, Hefei Institute of Material Science, Chinese Academy of Sciences, and the relevant results have been accepted and published by the internationally renowned academic journal "Chemical Engineering"
.
??? At present, the annual consumption of pesticides in China is as high as one million tons, but the utilization rate is less than 40%.
Most of the pesticides are lost through runoff and leakage, which not only causes excessive pesticide residues, but also causes serious agricultural non-point source pollution.
A direct threat to the health of humans and animals
.
How to improve the utilization rate of pesticides and reduce the amount of pesticides has become a key issue that needs to be solved urgently in the agricultural and environmental fields of our country and even the world
.
??? The research group uses diatomaceous earth, ferroferric oxide, etc.
to prepare a composite nanomaterial, and uses this as a carrier to develop a controllable release and recyclable smart pesticide
.
The pesticide has a strong sensitivity to pH, and the release of pesticides can be controlled by pH to synchronize the release speed with the demand speed.
At the same time, it can effectively improve the adhesion of the pesticide on the foliage of plants, thereby significantly reducing loss and improving the utilization rate of pesticides.
Extend the validity period
.
???? Wu Zhengyan introduced that this technology can also use an external magnetic field to recover residual pesticides and carriers, greatly reducing the harm of pesticides to the environment
.
