Shrub willows are being developed as a short rotation woody crop (SRWC) that can grow on marginal agricultural land. Willow has a high net energy ratio (energy produced/ fossil fuel energy consumed). low greenhouse gas footprint and high carbohydrate production potential. Willow biomass can be combined with forest biomass. https://lecoureures.shop/product-category/ski-de-fond-accessoires-fixations/