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Agronomy Training

Agronomy Training. November 9, 2005 @ WSU. Ryan Maiden, Ag Tech Rep. EC Maps, what do they mean?. Veris Direct Soil Contact. Why is soil texture important?.

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Agronomy Training

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  1. Agronomy Training November 9, 2005 @ WSU Ryan Maiden, Ag Tech Rep

  2. EC Maps, what do they mean?

  3. Veris Direct Soil Contact

  4. Why is soil texture important? The amount of clay in the soil plays a huge role in water and nutrient holding capacity. The cation-exchange capacity (CEC) of the soil is based largely on the clay content. If you can map this accurately, you have a good start on defining the differences in productive potential in the field.

  5. Improved soil sampling: “Directed grids” Conventionalgrids x x x x x x x x Brian E. Directed grid sampling x x x x x x x x

  6. Improved soil sampling: “Management Zones” Zone 2 Zone 3 Zone 1 Zone 4 Sampling density and lab analysis costs can be reduced by dividing a field into management zones, based on soil EC and soil texture variability. In this example of zones, the number of samples was reduced by 50% versus 2.5 acre grids.

  7. Finish!

  8. Questions ?

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