LY/T 1674-2006Storage practice for Chinese chestnut (English PDF)

3.1 Varieties

3.1.1 Short-term storage (within 4 months) applies to all chestnut varieties.

3.1.2 For medium and long-term storage (4 months to 10 months), northern varieties and southern late-maturing varieties should be selected.

3.2 Harvesting

3.2.1 Chestnuts for storage should be harvested in the planting area where cultivation management practices, normal fruit development, and low pests and diseases are selected.

3.2.2 Chestnuts for storage should be harvested when the chestnuts are yellow and cracked, and should be harvested according to maturity.

3.2.3 Chestnuts for storage should be harvested by a combination of picking and picking. Pick up when Chestnut begins to mature, avoiding long-term Contact the ground; wait 75% of the chestnuts to mature after cracking, and then remove the chestnuts as soon as possible to avoid accumulation.

3.2.4 Southern chestnuts should be stored in the warehouse for pre-cooling after harvest. If the chestnut in the north cannot be stored in the warehouse for pre-cooling, it should be spread to the higher level of the shade.

Dehumidification and heat dissipation at the wind, the stacking height should not exceed 50cm, and avoid direct sunlight.

3.3 Quality requirements

The quality requirements for storage chestnuts shall be in accordance with GH/T 1029.

3.4 Health indicators

The sanitary indicators such as the limit of pollutants for storage chestnuts and the maximum residue limit of pesticides should be in accordance with GB 2762 and GB 2763.

Provisions.

4.1 Treasury preparation

4.1.1 The storage should be thoroughly cleaned and disinfected before storage.

4.1.2 Repair all equipment to keep it in good working order. Start the storage before storage to reduce the storage temperature to 0 °C ~ -2 °C.