3.3 evaluation areas vulnerable to drought, agricultural area in the spatial. From a map layer that has brought the overlay (Overlay). Be made on a regular basis to analyse risk level of spatial agricultural drought. It found that the Lam Kong trucker basin area. There are areas where there is a risk of drought as follows (table 3.1 and Figure 3.1) risk level areas of drought, agriculture in the area of very high spatial thinking is an area of approximately 1,582.93 square kilometres or approximately 30 percent of the total area of 46.29 in river basin. Area level, the risk of drought in areas of high agricultural spatial is 498.23 square kilometers, or 14.57 percent of all areas in the river basin. Area level, the risk of drought, agricultural area in the foothills, a medium is 474.65 square kilometers or approximately 13.88 percent of the total area in the basin. Area level, the risk of drought, and agricultural areas in spatial thinking is an area of approximately 451.66 square kilometres or 13.21 percent of the total area in the basin. Area level, the risk of drought, agricultural area in the foothills, is very low, approximately 412.36 square kilometres or 12.06 percent of the total area in the basin.Table 3.1 risk areas where drought, agriculture in the watershed spatial beam trucker Kong.
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