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A Lesson from the Edge of a Canadian Highway

The Permaculture Research Insitute

PRI Zaytuna Farm functions as a model farm (in development) and permaculture training facility. Geoff and Nadia Lawton, world-renowned permaculture educators and consultants, lead the project. Much of Geoff and Nadia’s time over the last few years has been spent away from the Institute, consulting and helping set up projects in diverse locales around the world. Seeing the worldwide demand for knowledgeable permaculture consultants and teachers increase exponentially, as fuel and fertiliser prices skyrocket and the effects of climate change, soil depletion and water shortages begin to hit hard, priority and focus is now shifting back to the Institute, where growing the training program will increase the output of quality teachers to help fill the growing need for them.

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  1. Along highways the road departments do Hydroseeding, or hydro seeding. It is the process of seeding an area by coating it with a viscous (wet) liquid. Hydro seeding applications excel on steep hillsides, and other areas where a tractor is either inaccessible or unsuitable for conventional planting methods. Hyrdoseed slurry generally sticks to these elusive areas. The water in the slurry provides moisture and the weight of the included mulch protects the seed, giving it time to germinate. The mulch layer can protect the seed from erosion for a few days up to a few weeks.

    Generally Hydro seed slurry is mixed to include seed, mulch, and fertilizers. The hydro seeding operation is custom mixed for each application, just as conventional grass seed, to maximize site growth and durability. Areas are mowed and seeds are collected for re-seeding native grasses and other native plants.

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