2. soil restoration and conservation His Majesty hath thee, and pine, more important in conservation and restoration of natural conditions and problem soils vary in each region, by written document King's "suitable for the agricultural sector must have the following properties contain mineral called fertilizer is 1), N (nitrogen) nitrate 2) P (phosphorus) in Figure 3) K (potassium), phosphate and other minerals, O H Fe Mg sour alkali levels close to neutral (pH 7), with low salinity has sufficient moisture microbes (not dry not wet) there is sufficient transparency (So there is not), "the initiative to resolve the issues of land matters, highlighting the research of soil salinity, acidic soil to fix sand in Central and Northeast. Peat soil problems in southern and coastal lands, including corrections and rehabilitation updates, soil degradation, soil erosion from soil drainage and conversion of land to agricultural development demonstration area that is the problem of soil degradation, so that areas that have problems with soil from several causes for agricultural utilization back again. Orientation to the initiative in the field of conservation and restoration of critical soil is divided into 4 parts:
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