How to store vegetable seeds in winter
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The processing of vegetable seeds is to mix seeds with immature seeds, sclerotia, insects, weeds and other living impurities as well as non-living substances such as stalks, residual leaves, stones, etc., through processing to remove them and improve seed quality. Reach safety through winter and reduce losses. Generally include drying, selection, storage and other three processes. First, the drying of vegetable seeds must be fully aired and precipitation before drying. The moisture content of seeds is an important factor in whether seeds can be stored and used for a longer period of time. Seed if the water content is small, its own respiration and physiological activity will be inhibited, so that the seeds can be stored safely and increase stability. The freshly-harvested seeds have been air-dried during the harvesting and threshing process. However, due to factors such as short time and rainy days, the water content does not necessarily fall below the safe water content. Therefore, it is necessary to select several eye-catching winds. The weather is fully aired so that the water content is below safe water. The moisture content of common wind crops is as follows: tomatoes 7% to 12%, cabbage 7% to 11%, beans 10% to 12%, eggplant 7% to 11%. The drying of seeds can be performed by natural drying method. That is, the seeds after picking are spread on the curtains or mats to dry and are turned once every other time. This can accelerate the evaporation of water and achieve safe storage of water. Second, the selection of vegetable seeds of various vegetable seeds, must be selected before processing to improve the clarity of the seeds. A screening method can be adopted, that is, selecting suitable types of round holes or long-hole sieves to remove straw, sediment, pods and impurities, and removing rind, leaves, and light-weight dried seeds. Third, the storage of vegetable seeds for safe storage has important significance for the germination rate and sowing quality of vegetable seeds. Several kinds of vegetable seed storage methods: 1. With pods or pruning storage vegetables seeds will be bundled after harvest, hanging in a cool ventilated place, when used to pick and threshing. 2. The bag storage method puts the harvested vegetable seeds in a kraft paper bag or cloth pocket, and is placed in a dry and ventilated place and taken out when it is used. 3. High-hanging storage method After the seeds are dried thoroughly, they are sewn into small cloth bags and filled with gauze. In this way, the permeability is enhanced and seeds can be breathed to ensure seed quality. In addition, under the ventilation and cool roof of the cloth bag, it is not easy to make the seeds damp and deteriorate. 4. Stored under low temperature, dry, vacuum conditions 1 can be placed in plastic paper bags with anti-corrosive coating. 2 sealed storage. To select pottery jars with better sealing properties, wash and dry them, put a small amount of quicklime on them, lay a layer of paper on top of the lime, then pour the seeds inside and cover the lime in the altar. In this way, both the humidity and seed oxygen can be supplied. This method can be stored for more than 2-3 years, and its rate can still reach 95% or more. 5. Several issues that should be noted 1 Use seed bags such as sacks, woven bags, cloth bags, etc. Do not use plastic bags. 2 Keep seeds in the dry, dry place and avoid entering a closed, damp warehouse. Raise the height of the ground with a brick or roundwood by 30 cm or more, and keep it away from the wall by about 30 cm. Avoid moisture and damage the seeds. 3 Vegetable seeds should be stored separately from pesticides, fertilizers, etc. 4 Store the seeds away from the stove to prevent the smoke from fumigating. 5 Strengthen pest control to ensure seed quality. 6 Seeds deposited outdoors should be protected from rain and snow. At the same time, attention should be paid to the prevention of rodent damage and the use of markings inside and outside the packaging bag to prevent mixing.