Jiazhe Liu

Aug 7, 2023 | mdpi.com | Yan Zhou |Jiazhe Liu |Haiyan Li |Nan Sun

3.1. Changes in Soil Quality IndicatorsThe results of the calculation of all indicators in the land sustainability evaluation model for the main grain-producing areas in Heilongjiang Province are shown in Figure 5. As shown in Figure 5a, the intensity of soil erosion in most areas of the study area is in the slightly eroded class, followed by the mildly eroded and moderately eroded classes.