Become more frequent and escalating violence in every year. According to the Land Development Department, which collects statistics farmland caused by drought every year and find that there are areas where drought often or dry, monotonous, almost 60 million acres, an area of dry repeatedly refers to areas that are drought on agriculture and. is a recurring or frequent cause crop damage was extensive. (According to data from the The Meteorological Department of Irrigation and Land Development 2555) and because 75 percent of agriculture is rainfed agricultural systems. The data from the study of drought in many centuries of Ireland (Buckley et al., 2007) found that drought affected greatly, especially agricultural areas that rely on rain water. The water is vital to the growth and yield of rice. If the water in the rice seedlings and flowering stage. It is a critical point to reduced yields on both the quantity and quality (Dubey; 1994; P rank, 2539; All rights PhD, 2554), but it will affect the growth and yield of rice, much will depend on the severity. The longest drought And the growth stage of the rice to be affected (Gupta and O'Toole, 1986).
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