Portable grain silo

A bulk storage silo for storing grain, comprising:

• a vertical post comprising a bottom end and a top end;
• a base, wherein the base is rigidly attached to the ground, wherein the bottom end of the vertical post is rigidly attached to the base;
• at least three linear outriggers mounted at a first distance from the top end of the vertical post, such that the outriggers are perpendicular to the vertical post,
• wherein all the outriggers are approximately the same length, each outrigger comprising a free end;
• a flexible cylindrical wall comprising a bottom opening and a top opening, wherein a radius of the top opening is approximately the same as the horizontal distance from the vertical post to the free end of an outrigger;
• a flexible conical roof attached to the top opening of the flexible cylindrical wall, wherein the height of the conical roof is approximately equal to the first distance, wherein the radius of the conical roof is approximately equal to the radius of the flexible cylindrical wall;
• wherein the vertex of the flexible conical roof rests on the top end of the vertical post;
• wherein the top opening of the flexible cylindrical wall is draped over the free ends of the at least three outriggers;
• wherein the bottom opening of the flexible cylindrical wall rests on the base;
• wherein the flexible conical roof comprises an opening for filling the bulk storage silo with bulk items;
• wherein the flexible cylindrical wall comprises an opening for emptying bulk items out of the bulk storage silo.