Soybeans should be harvested before the leaves are generally landed, all the straw is yellow, and the beans are cracked. Harvested prematurely, adverse storage. If there are beans open, indicating that the maturity of soybeans has passed, should choose early and late hours, seize the harvest. After the soybeans have been harvested, the precipitation should be dried immediately. Tantalum exposure can not only fully dry, but also prevent beans from breaking and wrinkling, maintain good color, luster and germination power, and reduce oil and rancidity during storage. When the water content of soybeans is less than 12.5%, it can be stored in warehouses or containers. Prior to storage, first wet matting materials such as mats, straw bags, plastic films, linoleum, etc. After storage, storehouses or containers should be cooled and sealed so that the soybeans are in a dry, low-temperature environment. The moth pests in soybeans generally move within a range of about 10 cm below the surface of the grain, and the pest control method with sand pressure is effective. The specific approach is to lay waste face bags or woven bags on the surface of the grain, and press the sun dried sand about 3 centimeters above. If sand pressure is inconvenient, turning soybeans often can also prevent pests from growing, but it is less effective and longer than sand pressure. Sand pressure can also be insulated, moisture-proof, prevent soybean discoloration, go oil. Soybeans in storage, such as high temperatures, exposure to air for too long, often cotyledons become red, go oil phenomenon, which is due to deterioration of protein and fat caused. Therefore, when storing soy, it should be placed in a dry, ventilated, low temperature place where sunlight can not be directly exposed. When the warehouse or container is stored, the soybeans should be placed below and other foods should be placed on it.
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