In the countryside, a lot of mantle is stored in the mantle, and it is stored in the pot for a while. The sweet potato is especially sweet, which is much better than the sweet potato that is not hidden. However, improper storage can cause the sweet potato to rot and deteriorate. So how do you prevent the sweet potato from decaying and deteriorating? Today, Cherry Little Girl shares with you some sweet potato cellar antiseptic and sweetening storage methods. Friends who are interested in sweet potato cellar antiseptic sweetening storage method will come with Cherry Little Girl!
Master Zhang stored 5,000 pounds of sweet potatoes in the scorpion last year, because the sweet potato did not have any treatment before entering the scorpion. After a while, he discovered that the sweet potatoes in the scorpion were rotten, and the pick and choose were less than 500 pounds of sweet potatoes. In order to prevent the sweet potato from decaying, what method is used to prevent the sweet potato from decaying?
Sweet potatoes should be thoroughly disinfected before they are placed in the pot. The general method is to scrape the earthworms and expose the new soil. The farmers call it "the old glimpse of the new." Clean the bottom of the soil and sprinkle with a layer of quicklime. The sweet potato is fumigated with 100 grams of sulfur, sealed and sealed for 1 to 2 days, then turned on. After ventilation, spray 50% carbendazim WP 500-800 times for disinfection.
When sweet potato is introduced into the sputum, it should be taken lightly to avoid damage to the sweet potato epidermis and cause the infected bacteria to rot. Leave the air duct when stacking, the ventilation is not good, the concentration of carbon dioxide increases, the potato block can not breathe normally, and the sweet potato will decay and deteriorate. After the sweet potato is finished, the temperature is increased to 34C~37C, and the relative humidity is about 80%, which is maintained for 4 days. This is called high temperature healing. Effective prevention and control of black spot disease, the effect is 92% to 98%.
In addition, the effect of preventing soft rot is also very good. The soft rot pathogen will die after 10 minutes under the condition of 35C temperature. The high temperature treatment can also effectively remove the sweet potato miscellaneous taste, making the sweet potato taste sweeter. In the high temperature period, the sweet potato has a strong breathing effect. It should be ventilated and oxygen supply in time. It should be ventilated at noon every day, generally for half an hour to prevent the temperature from falling. The high temperature period is 4 days, open all the windows and doors vents, heat dissipation and dehumidification, and reduce the temperature to about 15 °C in the shortest time. If the temperature is not timely, it is easy to sprout the potato pieces. When the temperature in the sputum is stable at around 15C, the high-temperature healing process is completed, and this phase takes about 2 days. Later transferred to normal storage management.
The above is the sweet potato cellar antiseptic and sweetening storage method that Cherry Little Girl shared with you today, hoping to help farmers who grow sweet potatoes! Want to know more about agricultural technology, welcome to pay attention to Hui Nong School!
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