吐鲁番市位于吐鲁番盆地中部,北高南低,座落于洪积扇中下游,发育的土壤为棕色荒漠土、草甸土和风沙土三个类型。我们从1994年开始对吐鲁番市的土壤进行长期定位监测,根据不同的土壤类型,设立了三个片、九个监测点,对一个乡进行了乡级土壤普查。通过土监测和普查发现,从1979年第二次全国土壤普查至今,土壤养分发生了一系列变化。现将变化情况汇总如下。 Turpan City is located in the central Turpan Basin, North High South low, located in alluvial fan midstream and downstream, the development of the soil is brown desert soil, meadow soil and windy sand three types. Since 1994, we have conducted long-term monitoring of the soil in Turpan City. According to different types of soil, we have set up three films and nine monitoring points and conducted a survey of township-level soil for a village. Through soil monitoring and census, it has been found that a series of changes have taken place in soil nutrients since the second national soil survey in 1979. The changes are summarized below.