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About harvesting process of oyster shell
The key technical measures for high-yield clam cultivation include selecting quality seedlings, applying fertilizers scientifically, pruning and shaping the plants properly, strengthening pest control, and ensuring timely harvesting and processing.
1. The age of the collected shells is important to determine their maturity. Seedlings that are grafted or air-layered typically take 4–5 years to establish, and they usually start flowering after 8–10 years of planting. It is crucial to harvest the fruits before they fully ripen, ideally in July each year, just before or after the summer heat. If harvesting is delayed, the fruits may become large, thin, and of poor quality, which negatively affects the final product.
2. For processing, unripe fruits should be cut in half from the middle (on the outer side), then sun-dried or dried using a drying machine. When sun-drying, spread the fruit on a mat or grass, first drying the flesh side until it is no longer sticky. Then turn the fruit over to dry the outer skin under direct sunlight. Avoid using hard surfaces like stone or concrete floors, as this can cause the fruit to stick or lose quality. The goal is to dry the fruit until the outer skin turns white and the flesh remains green. When using an oven, make sure the fire is not too strong to prevent burning or scorching the fruit.
These practices ensure better yield, higher quality, and more efficient production in clam cultivation. By following these steps carefully, farmers can maximize their output while maintaining the integrity and value of the final product.