Onions, onions, leeks and other seeds stored at room temperature to the second year, the germination rate dropped to less than 50%, how to extend the storage time of these vegetable seeds it? With weathered coal as a moisture absorbent, the germination rate of the onion species stored for three years still reached 86%, and the germination rate after 5 years of storage was still above 70%.
The specific method is as follows: First, the onion seeds harvested in the year shall be carefully selected, and the grains and impurities shall be removed and fully dried so that the moisture content of the seeds is reduced to 10%; secondly, the weathered coal that has been air-dried is crushed and placed in a wok Scoop up to 100°C, then stop the fire and cool down, until the temperature of pulverized coal reaches 30°C, and reserve; thirdly, mix seeds and weathered pulverized coal with three seeds and a proportion of weathered pulverized coal, and immediately put it into high Density polyethylene plastic bags or barrels, sealed tightly, placed in a dry dark place. If seeds are used during storage, follow the seal. When sowing, weathered coal can be sown together, but also play a role in promoting seedlings and strong.
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