Zero Ditches and Field Enlargement
Location: Washington State, USA
Field Area: 28 ha or 70 ac
Irrigation: Overhead sprinkler
Crops: Blueberries on raised beds
Blueberries are farmed on raised beds with overhead sprinklers. It needs to drain in two ways, away from a ridge, with rows running North-South direction.
Here is the link to download the pdf file. Note: OptiSurface Designer V1.3 was used in this example.