When the leek is planted, the appearance of cockroaches is a headache for other farmers. What should I do? Let's take a look at it with Xiaobian.

In the countryside, the cultivation of leeks is known. Moreover, once the hazard is serious, it will cause the lack of seedlings and ridges. So it is really impossible to make money by growing amaranth. Some leeks growers are because they are not willing to grow leeks.

韭菜种植

When farmers grow leeks and control cockroaches, the main pesticides selected are phoxim and chlorpyrifos. However, these two pesticides have been used for a long time, and the cockroaches have been resistant to a certain extent. When farmers are controlling cockroaches, they may increase their medications due to the effects of control. Some may even increase by 3 or 4 times, so it is difficult to achieve the standard of pollution-free.

In fact, the amaranth growers, in order to effectively prevent and control the cockroaches, and want to achieve the standards of pollution-free leeks, there are still some methods, but also very simple.

Farmers planted open field leeks. If the leeks are harmful, the farmers can use the medicine when they start to pick up the leeks in early March, which can effectively prevent the phenomenon of leeks lacking seedlings and ridges.

韭蛆 prevention method

Farmers can apply thiamethazine + cyanamide to 100-200 ml per acre. Or apply 300 ml of 40% clothianidin or 800 ml of clothamidine. Generally, it can achieve more than 95% control effect.

韭蛆防治方法

These three pesticides are highly toxic alternative pesticides, which are neurotoxin insecticides. Like nicotinic insecticides, it is the mechanism of action that causes paralysis of the nerves and stops feeding. This premature stop of feeding can provide a good space for recovery of the planted leek.

The above is the prevention and control method of cockroaches in the process of leeks planting, and more leeks planting techniques, please pay attention to the Hui Nong School!

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