| 摘要 |
FIELD: investigating or analyzing materials. ^ SUBSTANCE: method comprises aerospace survey of the open soil surface in early spring or late autumn, converting the image obtained, estimating hue of the areas by 256-level scale of gray color, selecting contours, calculating areas of the contours, comparing the image with the soil map, and transforming the image. The extent of soil degradation is determined from the formula proposed. ^ EFFECT: expanded functional capabilities. ^ 1 tbl |
