Using this method, fresh corn can be kept for 10 months and will be supplied to the market for many years. Each tender corn ear cost only 2 cents. Stored in summer and autumn, sold in winter. The black corn, multicolored corn, and common corn that I have stored in this way have a revenue of 4,000 yuan per 667 square meters. How to use: Mix 260 kg of warm water per kilogram of preservative. Add the tender corn ear into the preservative solution and soak it for 5 minutes. Drain the water and place it in a room without direct sunlight. The ground can be pre-arranged with bricks into a 33-cm-high ventilation channel to facilitate air circulation. If stored for a long period of time, check once a month to remove mildewed individuals. Fresh-keeping items are sold at any time during National Day and Spring Festival. There is no need to control the temperature and humidity during storage, no electricity and cellar. Preservatives do not have any side effects on the human body. This preservative is non-toxic and harmless, and it complies with the national standard GB1880-87 standard. After one year of trial storage at my office, the ear corn was in good condition at 98% and the loss rate was only 2%. The formula is as follows. Animal serum albumin (extracted from animal blood, available in chemical stores, medical stores) 90%, ferrous sulphate 4.5%, calcium stearate 2% (available at the above two drug chemical stores), starch (ordinary food starch, deputy Available at Food Stores 2.5%, 1% by Ginger (available at pharmacies). The above-mentioned various raw materials were researched into powders and preservatives. China Agricultural Network Editor