Metal corrugated G.I. sheets |
Underground structures |
- Sheets of about 3 m high are held
vertically along one edge and edges of the
other sheets are
overlapped and bolted to each other.
- Thus
the circle with 2-4 m dia. is completed with
many such sheets. They are covered on
the top with the plain M.S. or G.I. sheets.
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- Circular pits vary
from 100– 400cm in depth and 50 – 100 cm dia at neck and 250 – 300 cm at the bottom.
- For filling and emptying there is
an opening at the top. Before filling the sides and bottom are packed with straw
and husk. After filling the pit is gain covered
with straw and stone, the finally with mud.
- Used for stoage of cereals with the capacity of 100- 200 q.It is safe against insects but, loss of seed viability and handling difficulties made it out of date.
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Brick structures
- It is a rectangular, structures built as part of the house, with brick in cement or lime mortar having a wall thickness of 40 –50 cm.
- At the top 50x 50 cm inlet and at bottom 15 x15cm
outlet is provided.
- Used for storage of Paddy,
sorghum
and wheat seeds. Life 25- 30 years. High initial cost, not insect and moisture proof. Capacity is 25- 30 q
Hessian cloth bags : Split bamboo woven in the form of a cylinder with wide base and narrow mouth |
| Image source: www.corrugatedsteelsheet.com and www.fao.org |
