When an insect ventures into DE, it pierces their skins and absorbs the insects internal fluids. DE can be used on gardens, lawns, trees and pets. Five pounds DE covers 2000 sq. A-35 acts as a a catalyst and complements soil's natural enzymes. For clay and hardpan soils that do not drain water properly, A-35 is the perfect remedy.
Many soils contain nutrients that are tied up in complex molecular structures.
A-35 breaks the complex molecular structure and releases the nutrients so that plants can use them. Formula A-35 also maximizes the efficiency of the nutrients in fertilizers. A-35 needs to be applied two to four times per year. Rock Dust Rock Dust is the trace element fertilizer. Rock Dust produces sweeter, better tasting fruits and vegetables.