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Proven techniques for bumper crop storage include bag and bulk systems. Traditional systems for bulk grain include above-ground storage in Burma, using baskets for handling, and underground pits in Sudan. Bunker storage (for bulk) has been developed in a number of countries. Bagged grain can be stored under tarpaulins on plinths (CAP) or in flexible silos. All bumper crop storage systems are more vulnerable to damage and therefore require more careful management than conventional system.
Field performance profiles can be helpful in system selection for established techniques as a qualitative adjunct to cost-benefit analysis.