Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it...
Transcript of Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it...
![Page 1: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/1.jpg)
Agricultural Drainage 101
Craig SchraderRegional Extension Educator, CropsUniversity of [email protected]
![Page 2: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/2.jpg)
Agricultural Drainage: Why it's needed, how it works and what are the consequences?
Gary R. SandsAssociate Professor & Extension EngineerBiosystems & Agricultural EngineeringUniversity of [email protected]
![Page 3: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/3.jpg)
Outline
Definitions
History & status
Need for drainage
How drainage works
Impacts of drainage
What’s being done?
Where to get more info
![Page 4: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/4.jpg)
What is Artificial Drainage?You might be familiar with:
Foundation drainage for homes
Perimeter “tile” drains
![Page 5: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/5.jpg)
Artificial Drainage for Agriculture
Subsurface (“Tile”) Drainage
Surface Drainage
![Page 6: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/6.jpg)
History&
Status
![Page 7: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/7.jpg)
Drainage: An Ancient PracticeUse of buried clay pipe as old as art of potterySome dated in Crete to 5,000 B.C.Farmers in ancient Egypt and Babylonia drained wet soils for crop productionRoman author, Cato, wrote in 200 B.C. extensively on farm drainage as practiced by Roman farmersFirst subsurface drains were converted ditches (Roman times)Mole “ditchers” were developed and used extensively in the 1800’s
![Page 8: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/8.jpg)
25% of Ag Soils are Artificially Drained
![Page 9: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/9.jpg)
Extent of Subsurface Drainage (’92)51 million ac of corn-belt (est.)
![Page 10: Agricultural Drainage 101 - Minnesota Pollution …...Agricultural Drainage: Why it's needed, how it works and what are the consequences? Gary R. Sands Associate Professor & Extension](https://reader030.fdocuments.in/reader030/viewer/2022040409/5ec50c9cab38615a6e3feb98/html5/thumbnails/10.jpg)
Drainage Was a Factor of Change on the Landscape