A preface The pineapple is an economically important plants. Can be grown throughout every region of the country. Pineapple growers planted the eastern region and Western region will be planted in order to send the canned fruit and plant, but in the Northeast, grown to eat live North East. Characteristics of soil as soil loose sand to sandy soil. Most soils have natural fertility is relatively low (Department of land development, 2550). Agricultural soil contact laxatives using tractors and a large force usually buoys make the soil firmly lower-layer opacity, layer occurs, dindan tilled to loosen (hard pan), which is also called dindan plow pan dry soil to harden the plant roots can not go through (Kop, 2551) and moisture from the soil to the ground floor, not three.Moving up into the top soil. A benefit of the water in the soil, including soil and plant nutrients decreased. Rodney & Board (2547), found that the system was not tilled to loosen and plow to loosen at least makes the physical properties of the soil better. By making the soil with high moisture content. The flow of water permeability and porosity of the soil, the higher. The total density of the soil decreased, especially when the soil has more depth. Compared to planting style plow bottom
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