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Store type:

Grain bags

  Hermeticdouble layerbag

Store category:

Hermetic

Means of quality preservation:

When store filled with grain and closed a modified atmosphere is created that will kill insect pests (If store not filled then the excess air may prevent the creation of a modified atmosphere)

Construction and manufacture:

Plastic of various qualities.  Made by serveral companies, some within Africa

Extent of adoption:

Some types increasingly widespread, others only just entering market

 

Typical ranges: Min   Max Units
 Storage period*: 3 - 24 months
 Store capacity: 50 - 120 kg
 Store life span: 1 - 3 years
 Initial outlay on storage capacity:    
   Cost for 200kg: 8 - 14  US$
   Cost for 1 tonne: 42 - 70 US$
 Cost per tonne per
 year of store life:
20 - 35 US$

 

* Storage periods for well dried cereals and pulses (≤ 14% moisture content)