Choose a place that is close to the barn, flat, dry, easy to drain, and not easy to accumulate water. Make a platform above the ground. Spread the branches, stones or crop straws on the platform about 30 cm thick, as a moisture-proof bottom pad. Dig the drains around and pile them into round or rectangular haystacks. Rectangular haystacks are generally 6 to 10 meters high and 4 to 5 meters wide; round haystacks have a bottom diameter of 3 to 4 meters and a height of 5 to 6 meters. When stacking, the first layer is piled from the outside to the inside, so that the inner row is pressed against the outside. In this way, the rows are piled inward, and the outer portion is slightly lower, and the middle is raised in an arc shape. Each layer is 30~60 cm thick until it is stacked. The dome is capped with a film to prevent sun and rain leakage to reduce losses.
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