The national construction cost of changing slope into ladder is 3,000 yuan per mu, and the national quota of changing slope into ladder is: changing slope into ladder is 3,000, per cubic meter 150 tons, reservoir is 50, per square meter is 5 tons, grit is 3 tons, pond weir 1, per square meter 100 tons, and soil and water conservation farming.
Changing a slope into a ladder is to change the slope shape into a trapezoidal step shape. For example, in rural areas, the hillside that is not conducive to soil, water and fertilizer conservation is transformed into terraced fields, which is convenient for planting a variety of crops and is conducive to winning a bumper harvest.