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应用综合评分法对新疆国家灰漠土基地1990~2002年长期定位试验土壤监测数据进行计算分析。结果表明:土壤质量指数可以反映各处理的土壤质量的年度变化,且与单项养分变化趋势一致。研究还表明:长期施用无机化肥、有机肥,特别是有机无机配施土壤质量均有显著提高,氮磷配合施用土壤质量也有明显提高,单施氮、磷肥土壤质量有提高趋势,长期不施肥土壤质量将下降。因此应用综合评分法评价灰漠土土壤质量的方法是可行的。
The comprehensive monitoring method was used to calculate and analyze soil monitoring data from 1990 to 2002 of the national desertified clay base in Xinjiang. The results show that the soil quality index can reflect the annual changes of soil quality in each treatment and is consistent with the trend of single nutrients. The results also showed that the long-term application of inorganic fertilizers, organic fertilizers, especially organic and inorganic application of soil quality have significantly increased, with the application of nitrogen and phosphorus also significantly improve the quality of the soil, single application of nitrogen, phosphate fertilizer soil quality has improved, long-term non-fertilization of soil Quality will decline. Therefore, it is feasible to evaluate the quality of gray desert soil by the comprehensive evaluation method.