Sloping croplands in karst areas of Southwest China usually contain a multitude of rock outcrops with diameters larger than 25 cm. Rock outcrops and spatial location have substantial effects on soil properties and thus likely affect soil erodibility. Moreover. rock outcropping is a indicator of rocky desertification and has an important impact on soil erosion and soil formation proces... https://www.spidertattooz.com/iOptron-HAE43EC-Strain-Wave-AZ-EQ-Mount-w-iPolar-High-Precision-Encoder/