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  Document BAE-1525 Irrigation Pump System Testing

By Robert Scott Frazier and Carol Jones. This fact sheet discusses efficiency testing of irrigation pumps, which can result in considerable savings per year.

188 KB
  Document E-996 No-Till Cropping Systems in Oklahoma

By Jason Warren and many others. This circular discusses the benefits; equipment needed; economics; weed, disease and insect management; crops and cover crops of no-till cropping systems.

43 MB
  Document PSS-2132 No-till Wheat Production in Oklahoma

By Jeff Edwards, Francis Epplin, Bob Hunger, Case Medlin, Tom Royer, Randy Taylor, and Hailin Zhang. This fact sheet discusses the many considerations to be taking into account when making a decision of switching from conventional till to no-till method of wheat production. Revised February 2015.

1 MB
  Document PSS-2161 Benefits of Using Cover Crops in Oklahoma No-Till

By Jason Warren, Kevin Meeks and Jeff Edwards. Cover crops can be effective ways to: (1) reduce soil erosion, (2) reduce runoff, (3) reduce evaporation, (4) suppress pests, (5) improve soil and water quality, (6) improve soil fertility by adding nutrients such as nitrogen back into the soil, and (7) serve as forage sources.

754 KB
  Document PSS-2252 Raindrops and Bombs: The Erosion Process

By Jason Warren. During a rainfall, millions of drops fall at velocities reaching 30 feet per second. They explode against the ground, splashing soil as high as 3 feet in the air and as far as 5 feet from where they hit. Without raindrops, there would be little soil erosion caused by water. But of course, without raindrops there also would be no crops. Reviewed December 2013.

174 KB