The pros and cons of the seeds are of great relevance to whether the crops are harvested. To store seeds, pay attention to the following ten points: First, pay attention to the warehouse clean. Before seeds are put into storage, sanitation, ventilation, moisture prevention and disinfection of utensils must be done well in the storage place. Prevent pests from harming. Second, carefully select the seeds. In order to maintain the purity and cleanliness of the seeds, the seeds should be carefully selected at the time of harvesting, and the amount of stalks, leaves, insects, weeds, sand, and soil blocks should be completely removed. Otherwise, it is easy to bring pests and diseases to the library to make the seeds infected or pests. Third, control the seed moisture. Under normal circumstances, the safe water standard for seed storage is slightly lower than that of similar products by about 1%, that is, 12%-13% for cereal crops and 8%-9% for oil crops. If the water content is high, winter frostbite is easy. Avoid seeds in a large humidity room, outdoor storage should pay attention to frost snow cover, especially peanuts, soybeans, corn and other soybean oil and starch more crop seeds. Fourth, the temperature should not be too high or hot and cold. Stored seeds must be sun-dried before they are put into storage. This can kill some germs, but they should not be exposed to over-exposure in high-temperature places. If the temperature is too high, the seeds will be over-expanded, and they will consume too much of their own nutrition and reduce the germination rate. Therefore, the seeds should not be placed on the enthalpy and close to the stove. The environment temperature for storing seeds is preferably around 10 degrees Celsius, and the maximum temperature should not exceed 15 degrees Celsius. Fifth, do not use plastic bags loaded. The plastic is impermeable to air, and the seeds are forced to undergo anaerobic respiration inside the bag, producing toxic substances such as alcohol and organic acids, which poison the seeds and kill the embryos. At the same time, the plastic bag is not ventilated, airtight, excess moisture can not be lost, the temperature will increase, causing moldy deterioration. 6. Do not touch the ground directly. When storing seeds in farmhouses, they should not be placed directly on the ground, whether they be sacks, bags or other containers. To prevent the seeds from getting damp and reduce the germination rate, it is advisable to use masonry or wooden planks to raise the height of the seed bags or other containers by about 50 cm. 7. Do not mix pesticide and chemical fertilizers. Many fertilizers and pesticides have certain corrosiveness and volatility, and their gases are extremely harmful to seed cells and embryos. If they are placed in a room with seeds, they will reduce the germination rate and germination potential. In addition, the seeds after mixing medicine Poisoning reduces germination and germination. Therefore, seeds that are treated with medication should be accompanied with the mixed herbs. 8. Don't mix with grain. Some crops are not easily distinguishable between seed and grain. Slight carelessness can cause mixed crops and grains. If the seeds are eaten, it will be a great waste; if seeds are sown with mixed seeds, it will cause serious reduction or loss of crops. Nine, to prevent smoke fumigation. The seeds are fumigated by the smoke for a long time, which reduces the vitality of the seeds and makes them easy to attack. Therefore, the rooms with large smoke can not be planted. X. Prevent rats from harm. The seeds contaminated by rats are susceptible to deterioration and the germination rate is reduced. Therefore, the places where seeds are stored should always take various rodent-repellent measures to avoid their harm.
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