Amount of phosphorus to plants by an average of all the land of 2.390 mg / kg by the area of land use in the rubber to a depth of more than 15 cm of phosphorus to plants, on average, than other areas (. 4.984 mg / kg) followed by the groves and paddy fields in the surface soil (0-15 cm) of bushland to the amount of phosphorus to plants on average the most, followed by the rubber and rice, respectively. Table 4-5 details
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