Are you sure it is just clay? Sandy clay packs even tighter than just clay: https://www.uaex.uada.edu/farm-ranch/crops-commercial-horticulture/horticulture/ar-

Are you sure it is just clay? Sandy clay packs even tighter than just clay: https://www.uaex.uada.edu/farm-ranch/crops-commercial-horticulture/horticulture/ar-fruit-veg-nut-update-blog/posts/adding-sand-to-soil.aspx https://www.uaex.uada.edu/farm-ranch/crops-commercial-hortic... "If you mix sand into clay, the clay particles will fill in all the open spaces between the sand particles and often the clay will act as a ‘glue’ sticking all particles together, ultimately resulting in a more dense soil."