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以阜新蒙古族自治县为代表的风沙半干旱地区,23年的平均降水量为423mm。多年来粮食平均单产一直在65公斤/亩以下,自然降水利用效率为0.15kg/mm·亩。玉米在该地区是高产作物,平均单产为100公斤/亩,单位面
The wind and sand semi-arid areas represented by Fuxin Mongolian Autonomous County have an average rainfall of 423mm in 23 years. The average grain yield has been below 65 kg / mu for many years, and the natural rainfall use efficiency is 0.15 kg / mm · mu. Maize is a high-yield crop in the area with an average yield of 100 kg / acre and unit area