After the dormant period comes, we are usually will let all the seeds and tubers rest in and on the soil and let nature sort it. Those in bad condition will eventually become compost, and those in great condition have reduced the content of humidor water in it, having the roots falling off naturally, and ready to be harvested. Sorting the sizes, treatment of any diseases, cleaning off any residue of soil are the next step before we are transporting to our processing line.
harvesting process is an aspect that plays an important role in seeds quality and tubers quality as well. harvesting process aims to take all bulbis and tuber in the appropriate time and good process so that, bubils and tubers will not lost the quality itself. In general, all the bubils and tubers have to get a good treatment to maintance the quality before process to the next steps.
at this stage, bubils and tubers that have been harvested will immediately receive treatments to maintain quality before being processed to the next stage. bubils will be selected based on conditions and sizes by farmers to get optimal results.
Bulbil seeds can be gathered immediately in advance during the dormancy stage of the bulbs in the soil, which lasts around one month. Harvesting bulbil seeds using hands and rubber gloves at the yellow konjac’s plantation region and partners of Mitra Porang Nusantara. Harvesting should be done in the morning and evening (depending on the weather), and bulbils should not be washed with water. Bulbils seeds must be transported to the nursery as soon as possible after harvesting to ensure optimum deviation. Harvesting of bulbils is done after the plants enter the age of seven months. Bulbils that appear in the armpits or on the surface of the stems/leaves of plants can be harvested after dormancy. The dormant bulbil will detach from the plant and fall to the ground and must be picked up.
Harvesting konjac tuber by hand with cloth gloves in the plantation region and partners of Mitra Porang Nusantara. The soil that has gathered on the tubers of the bulbs must be removed. It is not permitted to clean with water, only the hands must be used. Bulbs that have been harvested as soon as possible should be kept in the tubers transit space that provided, away from direct sunlight. Harvesting should be done in the dry season around May to June. Yellow konjac can be harvested after the plant has fallen and the leaves have dried. At that time, the glucomannan content was higher than before the fall. Harvesting needs to be done carefully to avoid injury to the tubers, done by digging the soil around the new plant to take the tubers.
Mitra Porang Nusantara has increased the production of tubers planted in the yellow konjac plantation. Bulbs that have recently been collected from the planting area are chosen depending on tuber size and quality. To receive special care, damaged tubers must be isolated from healthy bulbs. Water is also not permitted to be used to clean harvested tubers. To eliminate the dirt adhered to the tuber body, the tubers are solely cleaned by hand. The tubers must be separated from the bulbs according to on their size and condition. Bulbs must be put on pallets supplied in the transit area, ensuring that they are not exposed to sunlight and cannot be cleaned with water.
The harvested tubers are cleaned of plant residues, roots, and soil attached to the tubers. Cleaning yellow konjac tubers in the planting area should only be done with hands while wearing gloves to keep the tubers from becoming entangled in the soil. Bulbs cannot be cleaned with water since this might hasten deterioration if the tubers have been stored for a long time.
The clean tubers are then stored in the storage warehouse if the purpose is for replanting if the tubers for production are put into baskets or baskets that have good air circulation, then sold or processed. The tubers are stored in an open space with a net over them to shield the bulbs from direct sunlight after a successful harvest. Bulbs that will be carried into the factory will be transported straight to the plant in car trucks that have been packed with tissue sacks to avoid tuber slack, which might damage the tubers. When the tubers arrive at the factory, they will be immediately placed in an iron container for tuber storage before being processed in the tuber processing equipment.
The tubers that are ready to be processed are then loaded into cars/trucks to be delivered to the factory. Tubers from PT. Mitra Porang Nusantara’s konjac plantation will be delivered to the factory to be processed into flour and konjac chips. A truck vehicle with a capacity of 5 tons each trip transports the collected tubers. In the automobile tub, bulbs will be carefully organized. The bulbs must not be thrown away during the processing process. The truck body must have a roof to shield the bulbs from the sun and to avoid being rained on while traveling.
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