Chestnut Storage and Technology

Chestnut has always been known as the "king of dried fruit," which has the efficacy of invigorating the spleen and strengthening the stomach and is also a good raw material for making various kinds of food cakes and pastries. However, chestnuts that lose water during storage can cause dry rotting. Excessive humidity can cause mildew and should be stored using scientific methods.
Pre-storage treatment
1. Preservation treatment A 500 ppm of 2.4-D or 200 ppm thiophanate-methyl solution is used for fruit dipping for 3 minutes to provide a good antiseptic effect.
2. Fung control with carbon disulfide, the amount of 50 g / 1000 liters, fumigation in a closed box, altar or room for 18 to 24 hours.
3. Moisturizing treatment Use water to moisturize and put the chestnuts into the clean water to dip for 2 minutes.
Chestnut storage technology
1. Barbed shell storage method The chestnut shells with shells are packed in bamboo baskets or stacked on the concrete floor for insecticidal disinfection. The method is to prick the chestnut larvae after stacking one layer, spraying with 50% dichlorvos EC 1000 to 2000 times, and then spray one layer at a time. After being piled up, it is tightly fumigated with a Plastic Film cover, which can kill the chestnut aphids that are dedicated to chestnut meat.
2. The sand trap is generally covered with a layer of straw on a cool indoor floor and then spread with 5 to 7 cm thick sand. The humidity of the sand is not suitable for hand-kneading. Then the chestnuts are piled up.
One part of chestnuts can be mixed and stacked in two sands, or chestnuts and sand can be alternately layered. Each layer of chestnuts is 3 to 7 centimeters thick, then covered with sand of 3 to 7 centimeters, covered with straw, with a total height of about 1 meter. In the north, chestnuts are stored in pits or trenches. Select a well-drained, well-drained shady land, dig a trench that is 1 to 1.5 meters deep and 1 meter deep. The length depends on the number of chestnuts to be stored. At the bottom of the ditch, 5 to 10 cm thick sand is laid, and the sand is mixed with the chestnut or alternately layered. The thickness is the same as that of the southern heap.
3. The soil storage method stores chestnuts immediately after they have been removed from the hull, and should not be stored for a long time to avoid dehydration. The method is to dig a square earth pit in the room or outside the house. The size is determined according to the quantity, and the depth is about 1 meter. It can also be used to build a chestnut storage warehouse. The storage chestnut soil can be used on sunny days under the chestnut tree to dig the surface of the fine soil, using a sieve to sieve debris, pay attention not to be too dry or too wet. The chestnut was firstly moistened with 80% dexamethasone WP and 50 grams of water for 20 minutes and then picked up and dried to dry the surface moisture. The bottom of the storage pit and the surrounding area are covered with plastic film. Put a layer of chestnut about 5 cm thick. Cover the chestnut with a layer of fine clay about 3 cm thick. Store it in the order of 25 centimeters of fine dirt. Cover tightly with film and press it flat.

The following dimensions is: Width:750mm*Length:1500m*Thickness:25um


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