Keyline Design Mark IV By Abe Collins and Darren J. Doherty

Keyline design offers a powerful way to rethink how water moves across agricultural landscapes. While many farmers are familiar with contour farming, keyline takes things a step further—actively guiding water to improve soil health, increase resilience, and enhance productivity.

A helpful introduction to this approach can be found in Keyline Design Mark IV by Abe Collins and Darren J. Doherty. This resource explains how careful observation of landforms—particularly valleys, ridges, and slope transitions—can inform smarter cultivation patterns. If you’re new to the concept, you can explore the full article here: