This preparation is made by stuffing cow horns with fine basalt dust and burying them over the six months of summer. Horn Basalt can be applied to a field as an atmospheric spray to increase the potency of any application of mineral basalt or rock dust. When used in this manner you will find that you will only need 10% of the basalt dust amendment to achieve the same results.
Application: Rhythmically stir 2g of Horn Basalt in 35 L warm water for one hour (as per Horn Silica ( 501) and spray out into the atmosphere in a fine mist in the afternoon. Horn Basalt can also be stirred and sprayed out in the early morning with Horn Silica Summer Horn Clay and Fresh Equisetum (508).