Wind Erosion Control

John Tatarko Author

04/07/2019 Added

371 Plays

Description

This video explains the beneficial effects of vegetative cover in reducing wind erosive energy and trapping moving particles.

Searchable Transcript

Search:

[00:00:03.000]Many conservation practices can be implemented to control wind erosion.
[00:00:07.640]Conservation practices are designed to either reduce the wind force at the soil
[00:00:13.040]surface or create a soil surface more resistant to wind forces.
[00:00:17.920]Some practices also trap saltating particles to reduce the abrasion of soil
[00:00:22.738]surfaces downwind.
[00:00:26.240]A conservation practice that preserves crop residue or keeps growing vegetation
[00:00:30.715]in the field will result in all these beneficial effects.
[00:00:34.480]This is the most practical way to reduce wind erosion potential.
[00:00:38.360]Plants and crop residues protect soil particles on the surface by absorbing a
[00:00:42.931]portion of the direct force of the wind, trapping moving soil particles and
[00:00:47.385]enhancing soil particle cohesion.
[00:00:50.960]Crop rows perpendicular to the prevailing winds will control wind erosion more
[00:00:55.459]effectively than rows parallel with the wind.
[00:01:00.280]Also, standing residues are more than twice as
[00:01:03.326]effective as flattened residues.
[00:01:07.960]Other conservation practices such as wind breaks, grass barriers, strip cropping,
[00:01:12.686]or clot producing tillage should be considered to supplement vegetative cover.
[00:01:18.520]Permanent vegetative cover is one of the most effective ways to control wind
[00:01:22.650]erosion.
[00:01:23.520]It protects the soil from wind and water erosion forces throughout the year.
[00:01:30.680]Pasture and hay planting establishes native or introduced forage species for
[00:01:35.643]livestock raising or feed.
[00:01:41.280]Conservation cover involves establishing and maintaining permanent vegetative
[00:01:45.732]cover on land retired from agriculture production,
[00:01:48.644]such as land considered highly erodible in the Conservation Reserve Program.
[00:01:57.600]Critical area planting involves planting vegetation such as trees, shrubs, vines,
[00:02:03.006]grasses, or legumes in highly erodible areas.
[00:02:06.480]This practice is used on areas that cannot be stabilized by ordinary planning
[00:02:10.843]techniques and may suffer severe erosion if left untreated.
[00:02:15.120]The importance of vegetative cover for land protection cannot be overstressed.
[00:02:20.520]Permanent vegetation or crop residues are valuable resources when considering their
[00:02:25.683]ability to conserve soil, water, and air resources.
[00:02:29.640]Removing residues from fields for other uses or burning should not be done
[00:02:34.194]without an understanding of the erosion control consequences.

The screen size you are trying to search captions on is too small!

You can always jump over to MediaHub and check it out there.

Comments

0 Comments

Wind Erosion Control

Description

Searchable Transcript

Comments icon comment

Related Channels

Comments