The soybeans spoilage is a process irreversible and inevitable, but it can be delayed. In this article we will explore the less harmful conveying system for soybeans and the recommendation to separate the damaged grains before storage.

The handling of soybeans involves conveying and transporting from the farm to end-user. It is possible for soybeans to be handled as many as fifteen times from the time they leave the farm until processing into oil and meal. This number may increase to as high as twenty for exported material.

The structure of a soybean seed makes it susceptible to splitting and breakage during mechanical handling. The extent of breakage in soybeans during conveying varies with the impact force imposed on each individual seed. The least breakage occurs when soybeans are conveyed in a bucket elevator as compared to other conveying methods.

Breakage in soybeans

The previous image shows the extent of soybean breakage with four methods of conveying: the first one represents the percentage of breakage of the grain in a free fall of 30, 21 and 12 meters.

Regarding conveyors, belt conveyors should be a essential part of the soybean storage process. This kind of conveyors can move large volumes of grain over long distances without damaging the product, so it should be used for loading and unloading process in any soybean storage plant.

The storage of soybeans is affected by the degree of damage to the seed coat and by other factors such as mold or insect attack. It is therefore important to inspect soybeans for mechanical and other forms of damage prior to storage. If the amount of broken or split soybeans is very high, it may be prudent to separate the broken or split grains by sieving. This material can then be used first as opposed to long-term storage with the original stock.

DOWNLOAD PDF FILE with more information and recommendations for the storage of soybeans and soybean meal in a metal silo, including Soybean storage plants by Silos Córdoba worldwide:

Need more tips or advice? Please visit our FAQ’s section


Differences, Advantages & Disadvantages

  1. Advantages of using steel silos for grain storage instead of storing the grain in warehouses
  2. Advantages of using a Steel Silo over a Bag Silo for Grain Storage
  3. Advantages of a Steel Silo vs. a Concrete Silo for grain storage
  4. Difference and benefits of a galvanised steel silo and a carbon steel silo with food paint

Safety tips for grain handling and storage

  1. Requirements to store grains safely
  2. The importance of temperature control inside the silo
  3. How to minimise spoilage during the storage of soybean
  4. Indicators to detect problems with the soybeans stored in a silo: Heating, change in color, musty odour, lumping and caking
  5. What are the necessary control plans for storing corn in a metal silo?
  6. How to store grain to reduce post-harvest losses and protect its quality

General Guidelines

  1. Guidelines for choosing and designing a silo facility
  2. What is a Tempering Silo and what is it used for
  3. What kind of filters are used in grain storage facilities and why
  4. Metal structure of towers in grain storage facilities

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