sustaining soils

Post on 01-Jan-2016

60 Views

Category:

Documents

1 Downloads

Preview:

Click to see full reader

DESCRIPTION

Sustaining Soils. Image: Digital Stock. Soils-6-1. Soils can be degraded or destroyed. Image: NRCS. Soils-6-2. Soils need to be protected from erosion by wind and water. Image: NRCS. Soils-6-3. Soils need to be protected from depletion of organic matter and nutrients. Image: NRCS. - PowerPoint PPT Presentation

TRANSCRIPT

Sustaining SoilsSustaining Soils

Soils-6-1

Image: Digital Stock

Soils can be Soils can be degraded or degraded or destroyed.destroyed.

Soils-6-2

Image: NRCS

Soils need to be protected Soils need to be protected from erosion by wind and from erosion by wind and

water.water.

Soils-6-3

Image: NRCS

Soils need to be protected Soils need to be protected from depletion of organic from depletion of organic

matter and nutrients.matter and nutrients.

Soils-6-4

Image: NRCS

Soils need to be protected Soils need to be protected from contamination.from contamination.

Soils-6-5

Image: NRCS

Soils need to be Soils need to be protected from protected from urbanization.urbanization.

Soils-6-6Image: NRCS

Degraded soils can be Degraded soils can be reclaimed.reclaimed.

Before

AfterSoils-6-7

Images: Gold Institute, Echo Bay Mines; S. Warren

Soils can be sustained Soils can be sustained through protecting and through protecting and

reclaiming.reclaiming.

Images: NRCS

top related