Posted March 25, 2014
Farmers wanting to maintain more crop residue cover on their fields are often prevented from doing so by previous dammer diking. While dammer diking controls runoff under center pivot systems, it also leaves large holes in the field, making it impossible to plant a following crop without tillage. The tillage required to smooth the soil surface for planting also buries most of the previous crop’s residues. The bare soil is then susceptible to surface crusting, poor infiltration, and runoff. To fix this, farmers dammer dike their fields, continuing the dammer-diking – tillage cycle. The way out of this cycle is to maintain a crop residue cover on the soil surface. Read more »
Posted March 14, 2014
When considering the risk of using high residue farming in the Columbia Basin, there are some crops that are high risk and some that are lower risk.