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In areas where spring frosts cause death or pistachio shell damage in most years

The product is fruit trees, gardeners in various ways to reduce the effect

Cold or prevent damage. This is especially the case in

Areas of cultivation of early flowering fruit trees such as almonds and apricots are of particular importance

Enjoys. So that in most years, millions of tomans of damage to gardeners

These areas are entered. It is so important that the occurrence or non-occurrence

Cold affects the international prices of such products, especially almonds and apricots

In 1997, 50% of the pistachio crop was destroyed by cold.

Also in 2004, an average of 30% of pistachio production in the province

Kerman and some pistachio-growing areas were destroyed.

Although pistachios are not as early as almonds and apricots, but the cold and changes

The atmosphere created in the last few years has shown that pistachio is also one of the products

It is sensitive to spring cold and has a high probability of frost in the next few years

Climate change will not be unexpected. Therefore, considering the importance of pistachio product

In the country in terms of economy and currency, the need to apply methods to prevent

It is necessary from the spring cold. Generally in different parts of the world of this method

To prevent frostbite, they use:

1- Using fog generating machines

2- Using a special well system

3- Using smoke by turning on the tires

4- Sprinkler irrigation and creating ice cover on the canopy of trees

5- Moving cold and compressed air on the lower level of the garden with warmer air on the upper levels

Garden using powerful fans or flying helicopters on the garden surface.