The drying temperature of hazelnuts is generally should not exceed 45 ℃. The moisture content of hazelnuts is different.

In the second stage of drying, the drying temperature of russuala is 40°C-60°C, the drying time is 8-10 hours.

Generally, it takes 3-4 hours to dry. The initial baking and re-baking time take a total of 12-18 hours.

Operating the aforementioned process for 12-24 hours, spray water 1-2 times every 3 hours.

The drying temperature of balloonflower root is about 58℃-62℃, and the drying time is 14-16 hours.

The moisture content of fresh boletus is about 90%, after drying, the moisture content should be reduce to 13%.

The temperature parameter range should be set between 45°C-50°C, the minimum is 30°C, and the relative humidity is about 60%.

The temperature should be set at 55 °C at first, and it takes 22 hours for each batch to finish the drying process.

It is required to bake between 35℃ to 40℃ for 6 hours, between 40℃ to 60℃ for 8-10 hours, and between 60℃ to 70°C for 2 hours.

The drying program is completed in three stages. The temperature of the first stage is 60°C and should keep for 2 hours.