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How to store cotton seeds?
Cotton seed storage involves several important technical considerations to ensure quality and longevity. First, it's essential to process the cotton seeds before the frost bloom, when the embryos are fully developed and the seed shells are hard, making them more resistant to storage. This ensures that the seeds remain viable for future planting.
Second, cottonseed is highly hygroscopic, meaning it easily absorbs moisture. Therefore, after sun-drying, it should be properly sealed to prevent humidity from affecting its quality. Proper sealing also helps in maintaining the seed's viability over time.
Third, when importing cotton seeds, the moisture content must be kept below 11-12%, with impurities less than 0.5%. The germination rate should be at least 90%, and the seeds must be free from mold, pests, diseases, and damaged grains. These factors are critical in ensuring that the seeds can successfully grow into healthy plants.
Fourth, proper storage conditions are vital. It's recommended to fill the warehouse to about half of its capacity to allow for adequate air circulation and temperature control. The temperature should be monitored regularly and maintained below 15°C to prevent spoilage and maintain seed quality.
Lastly, fire and rodent prevention are crucial. Storage areas should be kept clean and secure to avoid any risk of fire or infestation, which can lead to significant losses. Regular inspections and appropriate safety measures are necessary to protect the stored seeds.
By following these five key steps, cotton seed storage can be optimized, ensuring high-quality seeds for agricultural use.