First, the good harvest closed. Digging of sweet potatoes must be free of rain in order to prevent water from intruding into the potatoes and rot the sweet potatoes.
Second, the choice of cellar. Should be selected in the indoor, but also in the gentle slope of outdoor ventilation and sunny drainage, can not be low-lying water. The soil pH is not limited, especially in sandy loam.
Third, cellar excavation method. The size of the pit can be determined based on the number of sweet potatoes produced each year. Hanging holes are used in the main cavern interior so that it does not take up space in the house. Cross holes are used outdoors to facilitate the transport and delivery of sweet potatoes. No matter if it is a hanging hole or a horizontal hole, more side holes should be set up, and the side holes are cellar positions. The main hole is generally not stored with sweet potatoes so as to prevent people from coming in or going down and damaging the sweet potato skin. The newly excavated pits must be allowed to dry after the pit wall is dry, and it is advisable to dig the pits before harvesting the sweet potatoes.
Fourth, before the sweet potato is pitted, it must be checked. After the sweet potato is harvested, it will be damaged, skin wounded and rotted. Don't go down the pit. The pit floor cover (hanging hole) or the door (cross hole) must be tight to prevent rats from entering. The potato heap does not exceed 1.2 meters high so that the hot gas can spread and turn over.
Fifth, prevent the burning of pits. Solution: First, make the cellar chambers ventilated regularly to ensure that the cellar chambers are fresh air; second, set anti-calciner facilities. Digging a deep hole in the bottom of the cellar to store water, the size of the hole can be determined according to the size of the cellar, according to every 50 kilograms of sweet potato, 40 to 50 kilograms of water, the hole surface is covered with a thick plank, and the ventilation holes are evenly marked on the wood. A long plastic pipe is used to pass from the inside of the hole to the main hole or the ground so that the water can be poured into the hole. The hole in the pit can store 80% of the depth of the hole. After entering the pit, sweet potatoes should always be checked and added water to the caverns. It should be once every 8 to 10 days in autumn and spring and 12 to 15 days after winter.
Sixth, tick the potatoes. Rotten sweet potatoes have viruses and should be removed from the pits in time to prevent germ infection. Don't go into the potato pit after drinking, because rotten sweet potatoes will accelerate decay when they encounter alcohol. This method is suitable for the storage of various kinds of potatoes.
Second, the choice of cellar. Should be selected in the indoor, but also in the gentle slope of outdoor ventilation and sunny drainage, can not be low-lying water. The soil pH is not limited, especially in sandy loam.
Third, cellar excavation method. The size of the pit can be determined based on the number of sweet potatoes produced each year. Hanging holes are used in the main cavern interior so that it does not take up space in the house. Cross holes are used outdoors to facilitate the transport and delivery of sweet potatoes. No matter if it is a hanging hole or a horizontal hole, more side holes should be set up, and the side holes are cellar positions. The main hole is generally not stored with sweet potatoes so as to prevent people from coming in or going down and damaging the sweet potato skin. The newly excavated pits must be allowed to dry after the pit wall is dry, and it is advisable to dig the pits before harvesting the sweet potatoes.
Fourth, before the sweet potato is pitted, it must be checked. After the sweet potato is harvested, it will be damaged, skin wounded and rotted. Don't go down the pit. The pit floor cover (hanging hole) or the door (cross hole) must be tight to prevent rats from entering. The potato heap does not exceed 1.2 meters high so that the hot gas can spread and turn over.
Fifth, prevent the burning of pits. Solution: First, make the cellar chambers ventilated regularly to ensure that the cellar chambers are fresh air; second, set anti-calciner facilities. Digging a deep hole in the bottom of the cellar to store water, the size of the hole can be determined according to the size of the cellar, according to every 50 kilograms of sweet potato, 40 to 50 kilograms of water, the hole surface is covered with a thick plank, and the ventilation holes are evenly marked on the wood. A long plastic pipe is used to pass from the inside of the hole to the main hole or the ground so that the water can be poured into the hole. The hole in the pit can store 80% of the depth of the hole. After entering the pit, sweet potatoes should always be checked and added water to the caverns. It should be once every 8 to 10 days in autumn and spring and 12 to 15 days after winter.
Sixth, tick the potatoes. Rotten sweet potatoes have viruses and should be removed from the pits in time to prevent germ infection. Don't go into the potato pit after drinking, because rotten sweet potatoes will accelerate decay when they encounter alcohol. This method is suitable for the storage of various kinds of potatoes.
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