Pesticide damage relief five coup
Teach you five coups, smartly eliminate pesticide poisoning:
1. Spraying drugs that ease drug damage
For drugs that cause crop damage, targeted sprays can be used to ease the drug and reduce damage. For example, omethoate, parathion, and other pesticides can cause phytotoxicity to crops, and can be mitigated by spraying 0.2% borax on damaged crops; rapeseed, peanut seedlings are inhibited by paclobutrazol, and growth stagnation can be promptly applied by 0.05%. The "920" solution can quickly restore the normal growth of crops; the crop phytotoxicity caused by copper sulfate and Bordeaux mixture can be sprayed with 0.5% lime water to ease the damage.
2. Quickly apply topdressing nitrogen fertilizer
The phytotoxicity of foliar lesions, leaf margin scorch, or plant yellowing may be based on the soil fertility and crop growth conditions, applying 5 to 12 kg of urea per 667 square meters (1 mu), and appropriate addition of phosphorus and potassium fertilizers. ,Supplementing plant nutrition, combined with cultivating loose soil, promote root development, enhance plant resistance to drugs, the effect of seed buds and seedlings with lighter damage is extremely obvious.
3. Drainage and irrigation to reduce drug residues
For some phytotoxicity caused by herbicides, proper drainage of water can reduce drug residues. For example, the rice dwarf disease caused by Trichosanthes can be drained immediately after the initial stage, and then using gap irrigation to reduce residual pesticide residues, thereby reducing the extent of injury.
4. Remove phytotoxic parts
When fruit trees are treated with drugs such as perfusion, injection, and bandaging that are over- or over-concentrated and phytotoxicity occurs, the severed branches should be quickly cut off to prevent further conduction and infiltration of the agents, and timely irrigation should be performed to prevent the damage from continuing to increase. .
5. Spray big water rinse agent
Due to the spraying of certain pesticides to cause phytotoxicity on the plants and leaves, it is possible to repeatedly spray large water 2 to 3 times to wash away the medicine on the surface of the plant as much as possible. It is also possible to add 0.2% alkali or 0.5% lime water to the sprayed clean water. Since most pesticides are now susceptible to decomposition and loss due to alkaline substances, decomposition of the chemicals can be accelerated. Spraying water at the same time increases the moisture in the crop cells, dilutes the concentration of the liquid in the crop, and also reduces crop phytotoxicity.
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