论文部分内容阅读
位于冀南平原的邱县,地处黄河故道,黑龙港流域,总人口20万,土地面积68万亩,耕地面积50万亩,是一个典型的平原农业县。该县土壤东沙西碱,二十世纪五十年代经过全县人民战天斗地的奋力改造,“西碱”现象已不复存在,“东沙”现象得到有效遏制。但由于近年来农民乱垦滥伐,“东沙”现象又大幅反弹,生态平衡遭到人为破坏,沙尘天气日益增加,给
Located in Qixian County in the southern Hebei Plain, it is located in the old course of the Yellow River and the Heilongjiang River Basin with a total population of 200,000 and a land area of 680,000 mu and a cultivated area of 500,000 mu. It is a typical plain agricultural county. The soil of the county of East Shaaxi alkali, in the 1950s after the county people’s struggle against the courage to transform, “West base ” phenomenon no longer exists, “East sand ” phenomenon has been effectively curbed. However, due to the indiscriminate deforestation of peasants in recent years, the phenomenon of “Dongsha” has rebounded sharply, the ecological balance has been vandalized, and the dust weather has been increasing day by day.