Konjac is a crop with higher yield, cultivation of konjaku has the advantage of quick benefit, konjac fear of frost damage, storage and conservation of species is also very important, and its storage and preservation techniques are:
First, timely excavation. The konjak excavation period is generally within 1 month after the shoots of the aboveground shoots. The underground bulbs have stopped growing, and the rhizomes (whips) are completely separated from the bulbs. The average day and night temperature is below 12°C for the best harvest. period. Once the konjak excavation period has been determined, dry soil should be selected on a sunny day for excavation. In the excavation, light excavation, light release, light transfer, light transport, no damage to the skin, and mechanical damage should be done. At the same time, the top buds should be protected.
Second, the selection of buds. When selecting a species, it is necessary to remove the disease, scars, and scorpions, and not to plant them. Selection of species should be strictly controlled, should choose yellow skin color, smooth surface, bulbs on the port flat, small nest, and the whole bulb as axillary or bread-like, neat shape, scales bud fat thick and short, the size of 250 grams - 500 grams is appropriate. The 250 g whip can be used for breeding purposes.
Third, conservation methods (1) Over-winter preservation of the law: the so-called winter in situ conservation, refers to the year without harvesting Konjac bulbs or root stems (whiplash), leave it in the ground for natural winter, the following year Dig while sowing. The method is: after the konjac plants fall naturally, the earth is covered with straw, thatched grass or leaves before frost appears on the earth. It is cold and heat-insulating. Covers should be as thick as possible, and should not be thinner than 15 cm. At the same time in the park to open a good ditch and Xianggou, ditch the same, and often drain ditch pits, in order to avoid waterlogging in the garden caused by bulb decay. This kind of preservation method has the advantages of being simple, time-saving, labor-saving, and non-infectious.
(2) Earth pit conservation and preservation methods: Select leeward sunny, digging pits where the soil is dry, pit depths of 1-1.5 meters, depending on the length and width of the seedlings, when the pits are dug and then put the konjac seed, first Put 5-10 cm of dry straw on the bottom and around the pit, and then put the konjac into it. The stacking thickness should be 4-5 layers. After laying, cover a layer of straw on the seed pods and cover the ground with 15-20 cm of soil. In order to prevent the outside water from flowing into the pit, a trench should be opened around the pit.
(3) Cave preservation and preservation methods: In the mountainous area, there are many caves and it is very good for storing konjac species. It is advisable to choose a cave with a depth of 5 meters or more. When the seeds are planted, dry straw is used for padding at the bottom of the cave, and then the pods are ready to be stacked. Generally, 3-4 layers are stacked and the straw is covered with 20 cm thick, and the hole is closed in the severe winter season.
(4) Indoor sand-buried seed preservation method: In indoor areas where there is ventilation and drying, where the temperature is higher, lay 10-12 cm river sand on the ground floor, and then put a layer of seedlings. Such a layer of river sand, a layer of pods, stacked 4-5 layers, and then covered with dry straw or sacks above and around.
First, timely excavation. The konjak excavation period is generally within 1 month after the shoots of the aboveground shoots. The underground bulbs have stopped growing, and the rhizomes (whips) are completely separated from the bulbs. The average day and night temperature is below 12°C for the best harvest. period. Once the konjak excavation period has been determined, dry soil should be selected on a sunny day for excavation. In the excavation, light excavation, light release, light transfer, light transport, no damage to the skin, and mechanical damage should be done. At the same time, the top buds should be protected.
Second, the selection of buds. When selecting a species, it is necessary to remove the disease, scars, and scorpions, and not to plant them. Selection of species should be strictly controlled, should choose yellow skin color, smooth surface, bulbs on the port flat, small nest, and the whole bulb as axillary or bread-like, neat shape, scales bud fat thick and short, the size of 250 grams - 500 grams is appropriate. The 250 g whip can be used for breeding purposes.
Third, conservation methods (1) Over-winter preservation of the law: the so-called winter in situ conservation, refers to the year without harvesting Konjac bulbs or root stems (whiplash), leave it in the ground for natural winter, the following year Dig while sowing. The method is: after the konjac plants fall naturally, the earth is covered with straw, thatched grass or leaves before frost appears on the earth. It is cold and heat-insulating. Covers should be as thick as possible, and should not be thinner than 15 cm. At the same time in the park to open a good ditch and Xianggou, ditch the same, and often drain ditch pits, in order to avoid waterlogging in the garden caused by bulb decay. This kind of preservation method has the advantages of being simple, time-saving, labor-saving, and non-infectious.
(2) Earth pit conservation and preservation methods: Select leeward sunny, digging pits where the soil is dry, pit depths of 1-1.5 meters, depending on the length and width of the seedlings, when the pits are dug and then put the konjac seed, first Put 5-10 cm of dry straw on the bottom and around the pit, and then put the konjac into it. The stacking thickness should be 4-5 layers. After laying, cover a layer of straw on the seed pods and cover the ground with 15-20 cm of soil. In order to prevent the outside water from flowing into the pit, a trench should be opened around the pit.
(3) Cave preservation and preservation methods: In the mountainous area, there are many caves and it is very good for storing konjac species. It is advisable to choose a cave with a depth of 5 meters or more. When the seeds are planted, dry straw is used for padding at the bottom of the cave, and then the pods are ready to be stacked. Generally, 3-4 layers are stacked and the straw is covered with 20 cm thick, and the hole is closed in the severe winter season.
(4) Indoor sand-buried seed preservation method: In indoor areas where there is ventilation and drying, where the temperature is higher, lay 10-12 cm river sand on the ground floor, and then put a layer of seedlings. Such a layer of river sand, a layer of pods, stacked 4-5 layers, and then covered with dry straw or sacks above and around.
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