3. normalization there are two areas: To adjust the soil surface by making the surface soil slope to let the water flow into the Canal or drainage? If this is it provides farming fields and paddy, and water can be drained if desired to raise crops Groove. This method is used for the areas that will make planting acres fruit trees or vegetation, perennials, but this method will need to have a source of irrigation water, because the inmates in the pilot to use a transfer switch. When the water in acid Groove arrangement in this Groove diggers. Farmers will need to know in that area with the soil layer where there is lane compounds, pyrolysis is what level of depth for Wright. Digging deeper, because the Groove is just soil lane then. Generally not exceeding 100 cm in depth steps to improve the soil for farming of various types.
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