How can crops be remedy saved? How to avoid the occurrence of phytotoxicity?
We often meet people who have agricultural friends because of incorrect configuration, or because of the purchase of fake drugs and other factors to produce phytotoxicity, the result is that the entire field of production, withered or even plant death. So let's not let go of the reasons for this happening. Things have already happened. What we have to do is try our best to recover the losses. So, what methods can reduce phytotoxicity? How to avoid the occurrence of phytotoxicity?
Several measures to reduce phytotoxicity
1 Water spray method: It is possible to wash the pesticide that has been sprayed by continuously adding water of alkaline substance two to three times. One is to dilute the concentration of pesticides, and the other is to use alkaline substances to decompose most pesticides, thereby accelerating the decomposition of pesticides and reducing phytotoxicity.
2 Neutralization method: After the occurrence of the phytotoxicity, the drug is neutralized according to the characteristics of the agent causing the phytotoxicity. To give a simple example: If the poison is caused by the Podol liquid, then we can spray 0.5% lime water to alleviate the damage.
3 fertilization remedy: This method is to find a way from the plant itself. For leaf stalks, yellowing, leaf plaques and other phytotoxicity, fertilizers such as stimulants can be applied according to the situation to supplement the nutrition of the plants, so that the resistance of the plants becomes stronger, and the phytotoxicity is relatively weakened.
4 row irrigation remediation. For some phytotoxicity caused by herbicides, proper irrigation and drainage can also reduce the degree of phytotoxicity.
5Putting method: We can also avoid the spread of phytotoxicity by cutting off the phytotoxicity, but this method is best used in our method of perfusion, injection, dressing, etc. Time.
How to avoid the occurrence of phytotoxicity?
(1) Adhere to the application after the first test. Before the large-scale promotion of pesticide varieties, it is necessary to conduct tests in a small scope, and to screen the applicable range of the drug, the object of prevention and treatment, the appropriate period of prevention and treatment, the dosage of the drug, and the method of application.
(2) Strictly master the pesticide use technology. The first is to select the medicine used to make the right medicine. Secondly, it is necessary to register the pesticide dosage or use density. It is also necessary to master the proper application period, adopt the appropriate application method, and pay attention to the quality of the application.
(3) Take precautions after taking good medicine. The first is to thoroughly clean the sprayer, especially the sprayer that has applied the herbicide. If other pesticides are sprayed, it must be thoroughly cleaned. For example, if the spray device with 2,4-D butyl ester herbicide is applied, if it is not thoroughly cleaned, Dicotyledonous crops produce phytotoxicity.
The correct cleaning method is: for the plastic barrel sprayer, soak it in 5% alkali solution for several hours, and rinse it repeatedly with water; for the iron barrel sprayer, use 1% ferrous sulfate solution 10 kg, dip for 2 hours, then wash with water. More than 2 times. In addition, the nozzles, sprays, switches, etc. of the spray equipment should also be carefully cleaned.
The second is to properly dispose of the remaining liquid in the sprayer, that is, after the application is completed, the remaining liquid can not be randomly scattered to avoid phytotoxicity.
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